FINERACT-1981: Progressive loan schedule handling

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/MathUtil.java

@@ -450,4 +450,21 @@ public final class MathUtil {
         }
         return percentageOf;
     }
+
+    /**
+     * Calculate percentage of a value
+     *
+     * @param value
+     * @param percentage
+     * @param mc
+     * @return
+     */
+    public static BigDecimal percentageOf(final BigDecimal value, final BigDecimal percentage, final MathContext mc) {
+        BigDecimal percentageOf = BigDecimal.ZERO;
+        if (isGreaterThanZero(value)) {
+            final BigDecimal multiplicand = percentage.divide(BigDecimal.valueOf(100L), mc);
+            percentageOf = value.multiply(multiplicand, mc);
+        }
+        return percentageOf;
+    }
 }

fineract-core/src/main/java/org/apache/fineract/organisation/monetary/domain/Money.java

@@ -129,6 +129,15 @@ public class Money implements Comparable<Money> {
         return amountScaled;
     }
 
+    public static Money roundToMultiplesOf(final Money existingVal, final Integer inMultiplesOf) {
+        BigDecimal amountScaled = existingVal.getAmount();
+        BigDecimal inMultiplesOfValue = BigDecimal.valueOf(inMultiplesOf.intValue());
+        if (inMultiplesOfValue.compareTo(BigDecimal.ZERO) > 0) {
+            amountScaled = amountScaled.divide(inMultiplesOfValue, 0, RoundingMode.HALF_UP).multiply(inMultiplesOfValue);
+        }
+        return Money.of(existingVal.getCurrency(), amountScaled);
+    }
+
     public static double ceiling(final double n, final double s) {
         double c;
 

fineract-core/src/main/java/org/apache/fineract/portfolio/calendar/service/CalendarUtils.java

@@ -717,15 +717,12 @@ public final class CalendarUtils {
         if (recur == null) {
             return null;
         }
-        LocalDate date = startDate;
         final LocalDate seedDate = calendar.getStartDateLocalDate();
         /**
          * if (isValidRedurringDate(calendar.getRecurrence(), seedDate, date)) { date = date.plusDays(1); }
          **/
 
-        final LocalDate scheduleDate = getNextRecurringDate(recur, seedDate, date);
-
-        return scheduleDate;
+        return getNextRecurringDate(recur, seedDate, startDate);
     }
 
     public static void validateNthDayOfMonthFrequency(DataValidatorBuilder baseDataValidator, final String repeatsOnNthDayOfMonthParamName,

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/Loan.java

@@ -1289,7 +1289,6 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
         updateLoanScheduleDependentDerivedFields();
         updateLoanSummaryDerivedFields();
         applyAccurals();
-
     }
 
     public void updateLoanSchedule(final Collection<LoanRepaymentScheduleInstallment> installments) {
@@ -2530,9 +2529,6 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
         LocalDate firstInstallmentDueDate = fetchRepaymentScheduleInstallment(1).getDueDate();
         if ((interestRecalculationEnabledParam && (DateUtils.isBeforeBusinessDate(firstInstallmentDueDate) || disbursementMissedParam))) {
             regenerateRepaymentScheduleWithInterestRecalculation(scheduleGeneratorDTO);
-        } else if (downPaymentEnabled) {
-            LoanScheduleDTO loanSchedule = getRecalculatedSchedule(scheduleGeneratorDTO);
-            updateLoanSchedule(loanSchedule.getInstallments());
         }
     }
 
@@ -2827,11 +2823,11 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
         final MathContext mc = new MathContext(8, roundingMode);
 
         final LoanApplicationTerms loanApplicationTerms = constructLoanApplicationTerms(scheduleGeneratorDTO);
-        LoanScheduleGenerator loanScheduleGenerator = null;
+        LoanScheduleGenerator loanScheduleGenerator;
         if (loanApplicationTerms.isEqualAmortization()) {
             if (loanApplicationTerms.getInterestMethod().isDecliningBalance()) {
                 final LoanScheduleGenerator decliningLoanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory()
-                        .create(InterestMethod.DECLINING_BALANCE);
+                        .create(loanApplicationTerms.getLoanScheduleType(), InterestMethod.DECLINING_BALANCE);
                 Set<LoanCharge> loanCharges = getActiveCharges();
                 LoanScheduleModel loanSchedule = decliningLoanScheduleGenerator.generate(mc, loanApplicationTerms, loanCharges,
                         scheduleGeneratorDTO.getHolidayDetailDTO());
@@ -2840,9 +2836,11 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
                         .updateTotalInterestDue(Money.of(loanApplicationTerms.getCurrency(), loanSchedule.getTotalInterestCharged()));
 
             }
-            loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory().create(InterestMethod.FLAT);
+            loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory().create(loanApplicationTerms.getLoanScheduleType(),
+                    InterestMethod.FLAT);
         } else {
-            loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory().create(loanApplicationTerms.getInterestMethod());
+            loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory().create(loanApplicationTerms.getLoanScheduleType(),
+                    loanApplicationTerms.getInterestMethod());
         }
 
         return loanScheduleGenerator.generate(mc, loanApplicationTerms, getActiveCharges(), scheduleGeneratorDTO.getHolidayDetailDTO());
@@ -3401,8 +3399,7 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
         final List<LoanTransaction> repaymentsOrWaivers = new ArrayList<>();
         List<LoanTransaction> trans = getLoanTransactions();
         for (final LoanTransaction transaction : trans) {
-            if (transaction.isNotReversed()
-                    && (transaction.isChargeOff() || !(transaction.isDisbursement() || transaction.isNonMonetaryTransaction()))) {
+            if (transaction.isNotReversed() && (transaction.isChargeOff() || !transaction.isNonMonetaryTransaction())) {
                 repaymentsOrWaivers.add(transaction);
             }
         }
@@ -3413,9 +3410,8 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
     public List<LoanTransaction> retrieveListOfTransactionsPostDisbursementExcludeAccruals() {
         final List<LoanTransaction> repaymentsOrWaivers = new ArrayList<>();
         for (final LoanTransaction transaction : this.loanTransactions) {
-            if (transaction.isNotReversed()
-                    && !(transaction.isDisbursement() || transaction.isAccrual() || transaction.isRepaymentAtDisbursement()
-                            || transaction.isNonMonetaryTransaction() || transaction.isIncomePosting())) {
+            if (transaction.isNotReversed() && !(transaction.isAccrual() || transaction.isRepaymentAtDisbursement()
+                    || transaction.isNonMonetaryTransaction() || transaction.isIncomePosting())) {
                 repaymentsOrWaivers.add(transaction);
             }
         }
@@ -5754,7 +5750,8 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
             return null;
         }
         final InterestMethod interestMethod = this.loanRepaymentScheduleDetail.getInterestMethod();
-        final LoanScheduleGenerator loanScheduleGenerator = generatorDTO.getLoanScheduleFactory().create(interestMethod);
+        final LoanScheduleGenerator loanScheduleGenerator = generatorDTO.getLoanScheduleFactory()
+                .create(this.loanRepaymentScheduleDetail.getLoanScheduleType(), interestMethod);
 
         final RoundingMode roundingMode = MoneyHelper.getRoundingMode();
         final MathContext mc = new MathContext(19, roundingMode);
@@ -5778,7 +5775,8 @@ public class Loan extends AbstractAuditableWithUTCDateTimeCustom {
             final InterestMethod interestMethod = this.loanRepaymentScheduleDetail.getInterestMethod();
             final LoanApplicationTerms loanApplicationTerms = constructLoanApplicationTerms(scheduleGeneratorDTO);
 
-            final LoanScheduleGenerator loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory().create(interestMethod);
+            final LoanScheduleGenerator loanScheduleGenerator = scheduleGeneratorDTO.getLoanScheduleFactory()
+                    .create(loanApplicationTerms.getLoanScheduleType(), interestMethod);
             final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.transactionProcessorFactory
                     .determineProcessor(this.transactionProcessingStrategyCode);
             installment = loanScheduleGenerator.calculatePrepaymentAmount(getCurrency(), onDate, loanApplicationTerms, mc, this,

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanRepaymentScheduleInstallment.java

@@ -419,13 +419,9 @@ public class LoanRepaymentScheduleInstallment extends AbstractAuditableWithUTCDa
         this.penaltyAccrued = null;
     }
 
-    public void resetChargesFields() {
+    public void resetChargesCharged() {
         this.feeChargesCharged = null;
-        this.feeChargesWaived = null;
-        this.feeChargesWrittenOff = null;
         this.penaltyCharges = null;
-        this.penaltyChargesWaived = null;
-        this.penaltyChargesWrittenOff = null;
     }
 
     public Money payPenaltyChargesComponent(final LocalDate transactionDate, final Money transactionAmountRemaining) {
@@ -656,6 +652,7 @@ public class LoanRepaymentScheduleInstallment extends AbstractAuditableWithUTCDa
         this.penaltyCharges = defaultToNullIfZero(penaltyChargesDue.plus(this.penaltyCharges).getAmount());
         this.penaltyChargesWaived = defaultToNullIfZero(penaltyChargesWaived.plus(this.penaltyChargesWaived).getAmount());
         this.penaltyChargesWrittenOff = defaultToNullIfZero(penaltyChargesWrittenOff.plus(this.penaltyChargesWrittenOff).getAmount());
+        checkIfRepaymentPeriodObligationsAreMet(getObligationsMetOnDate(), feeChargesDue.getCurrency());
     }
 
     public void updateAccrualPortion(final Money interest, final Money feeCharges, final Money penalityCharges) {
@@ -961,4 +958,13 @@ public class LoanRepaymentScheduleInstallment extends AbstractAuditableWithUTCDa
         return isDownPayment;
     }
 
+    public void resetBalances() {
+        resetDerivedComponents();
+        resetPrincipalDue();
+        resetChargesCharged();
+    }
+
+    public void resetPrincipalDue() {
+        this.principal = null;
+    }
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanApplicationTerms.java

@@ -218,6 +218,7 @@ public final class LoanApplicationTerms {
     private LocalDate submittedOnDate;
     private boolean isScheduleExtensionForDownPaymentDisabled;
     private Money disbursedPrincipal;
+    private final LoanScheduleType loanScheduleType;
 
     public static LoanApplicationTerms assembleFrom(final ApplicationCurrency currency, final Integer loanTermFrequency,
             final PeriodFrequencyType loanTermPeriodFrequencyType, final Integer numberOfRepayments, final Integer repaymentEvery,
@@ -244,7 +245,8 @@ public final class LoanApplicationTerms {
             final BigDecimal fixedPrincipalPercentagePerInstallment, final boolean isPrincipalCompoundingDisabledForOverdueLoans,
             final Boolean enableDownPayment, final BigDecimal disbursedAmountPercentageForDownPayment,
             final Boolean isAutoRepaymentForDownPaymentEnabled, final RepaymentStartDateType repaymentStartDateType,
-            final LocalDate submittedOnDate, final Boolean isScheduleExtensionForDownPaymentDisabled) {
+            final LocalDate submittedOnDate, final Boolean isScheduleExtensionForDownPaymentDisabled,
+            final LoanScheduleType loanScheduleType) {
 
         final LoanRescheduleStrategyMethod rescheduleStrategyMethod = null;
         final CalendarHistoryDataWrapper calendarHistoryDataWrapper = null;
@@ -262,7 +264,8 @@ public final class LoanApplicationTerms {
                 isSkipRepaymentOnFirstDayOfMonth, holidayDetailDTO, allowCompoundingOnEod, isEqualAmortization, false,
                 isInterestToBeRecoveredFirstWhenGreaterThanEMI, fixedPrincipalPercentagePerInstallment,
                 isPrincipalCompoundingDisabledForOverdueLoans, enableDownPayment, disbursedAmountPercentageForDownPayment,
-                isAutoRepaymentForDownPaymentEnabled, repaymentStartDateType, submittedOnDate, isScheduleExtensionForDownPaymentDisabled);
+                isAutoRepaymentForDownPaymentEnabled, repaymentStartDateType, submittedOnDate, isScheduleExtensionForDownPaymentDisabled,
+                loanScheduleType);
 
     }
 
@@ -318,6 +321,7 @@ public final class LoanApplicationTerms {
             isAutoRepaymentForDownPaymentEnabled = loanProductRelatedDetail.isEnableAutoRepaymentForDownPayment();
             isScheduleExtensionForDownPaymentDisabled = loanProductRelatedDetail.isDisableScheduleExtensionForDownPayment();
         }
+        LoanScheduleType loanScheduleType = loanProductRelatedDetail.getLoanScheduleType();
         return new LoanApplicationTerms(applicationCurrency, loanTermFrequency, loanTermPeriodFrequencyType, numberOfRepayments,
                 repaymentEvery, repaymentPeriodFrequencyType, ((nthDay != null) ? nthDay.getValue() : null), dayOfWeek, amortizationMethod,
                 interestMethod, interestRatePerPeriod, interestRatePeriodFrequencyType, annualNominalInterestRate,
@@ -333,7 +337,8 @@ public final class LoanApplicationTerms {
                 allowCompoundingOnEod, isEqualAmortization, isFirstRepaymentDateAllowedOnHoliday,
                 isInterestToBeRecoveredFirstWhenGreaterThanEMI, fixedPrincipalPercentagePerInstallment,
                 isPrincipalCompoundingDisabledForOverdueLoans, isDownPaymentEnabled, disbursedAmountPercentageForDownPayment,
-                isAutoRepaymentForDownPaymentEnabled, repaymentStartDateType, submittedOnDate, isScheduleExtensionForDownPaymentDisabled);
+                isAutoRepaymentForDownPaymentEnabled, repaymentStartDateType, submittedOnDate, isScheduleExtensionForDownPaymentDisabled,
+                loanScheduleType);
     }
 
     private LoanApplicationTerms(final ApplicationCurrency currency, final Integer loanTermFrequency,
@@ -362,7 +367,7 @@ public final class LoanApplicationTerms {
             final boolean isPrincipalCompoundingDisabledForOverdueLoans, final boolean isDownPaymentEnabled,
             final BigDecimal disbursedAmountPercentageForDownPayment, final boolean isAutoRepaymentForDownPaymentEnabled,
             final RepaymentStartDateType repaymentStartDateType, final LocalDate submittedOnDate,
-            final boolean isScheduleExtensionForDownPaymentDisabled) {
+            final boolean isScheduleExtensionForDownPaymentDisabled, final LoanScheduleType loanScheduleType) {
 
         this.currency = currency;
         this.loanTermFrequency = loanTermFrequency;
@@ -446,6 +451,7 @@ public final class LoanApplicationTerms {
         this.repaymentStartDateType = repaymentStartDateType;
         this.submittedOnDate = submittedOnDate;
         this.isScheduleExtensionForDownPaymentDisabled = isScheduleExtensionForDownPaymentDisabled;
+        this.loanScheduleType = loanScheduleType;
     }
 
     public Money adjustPrincipalIfLastRepaymentPeriod(final Money principalForPeriod, final Money totalCumulativePrincipalToDate,
@@ -600,7 +606,7 @@ public final class LoanApplicationTerms {
     }
 
     public PrincipalInterest calculateTotalInterestForPeriod(final PaymentPeriodsInOneYearCalculator calculator,
-            final double interestCalculationGraceOnRepaymentPeriodFraction, final int periodNumber, final MathContext mc,
+            final BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, final int periodNumber, final MathContext mc,
             final Money cumulatingInterestPaymentDueToGrace, final Money outstandingBalance, final LocalDate periodStartDate,
             final LocalDate periodEndDate) {
 
@@ -653,8 +659,6 @@ public final class LoanApplicationTerms {
                     interestBroughtForwardDueToGrace = interestBroughtForwardDueToGrace.zero();
                 } else if (isInterestFreeGracePeriod(periodNumber)) {
                     interestForInstallment = interestForInstallment.zero();
-                } else if (isInterestFreeGracePeriodFromDate(interestCalculationGraceOnRepaymentPeriodFraction)) {
-                    interestForInstallment = interestForThisInstallmentAfterGrace;
                 } else {
                     interestBroughtForwardDueToGrace = interestBroughtForwardDueToGrace.plus(interestForThisInstallmentBeforeGrace);
                 }
@@ -1185,7 +1189,7 @@ public final class LoanApplicationTerms {
     }
 
     private Money calculateDecliningInterestDueForInstallmentAfterApplyingGrace(final PaymentPeriodsInOneYearCalculator calculator,
-            final double interestCalculationGraceOnRepaymentPeriodFraction, final MathContext mc, final Money outstandingBalance,
+            final BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, final MathContext mc, final Money outstandingBalance,
             final int periodNumber, LocalDate periodStartDate, LocalDate periodEndDate) {
 
         Money interest = calculateDecliningInterestDueForInstallmentBeforeApplyingGrace(calculator, mc, outstandingBalance, periodStartDate,
@@ -1195,30 +1199,30 @@ public final class LoanApplicationTerms {
             interest = interest.zero();
         }
 
-        Double fraction = interestCalculationGraceOnRepaymentPeriodFraction;
+        BigDecimal fraction = interestCalculationGraceOnRepaymentPeriodFraction;
 
         if (isInterestFreeGracePeriod(periodNumber)) {
             interest = interest.zero();
         } else if (isInterestFreeGracePeriodFromDate(interestCalculationGraceOnRepaymentPeriodFraction)) {
 
-            if (interestCalculationGraceOnRepaymentPeriodFraction >= Integer.valueOf(1).doubleValue()) {
+            if (interestCalculationGraceOnRepaymentPeriodFraction.compareTo(BigDecimal.ZERO) > 0) {
                 interest = interest.zero();
-                fraction = fraction - Integer.valueOf(1).doubleValue();
+                fraction = fraction.subtract(BigDecimal.ONE);
 
-            } else if (interestCalculationGraceOnRepaymentPeriodFraction > Double.parseDouble("0.25")
-                    && interestCalculationGraceOnRepaymentPeriodFraction < Integer.valueOf(1).doubleValue()) {
+            } else if (interestCalculationGraceOnRepaymentPeriodFraction.compareTo(BigDecimal.valueOf(0.25)) > 0
+                    && interestCalculationGraceOnRepaymentPeriodFraction.compareTo(BigDecimal.ONE) < 0) {
 
                 final Money graceOnInterestForRepaymentPeriod = interest.multipliedBy(interestCalculationGraceOnRepaymentPeriodFraction);
                 interest = interest.minus(graceOnInterestForRepaymentPeriod);
-                fraction = Double.valueOf("0");
+                fraction = BigDecimal.ZERO;
             }
         }
 
         return interest;
     }
 
-    private boolean isInterestFreeGracePeriodFromDate(final double interestCalculationGraceOnRepaymentPeriodFraction) {
-        return this.interestChargedFromDate != null && interestCalculationGraceOnRepaymentPeriodFraction > Double.parseDouble("0.0");
+    private boolean isInterestFreeGracePeriodFromDate(BigDecimal interestCalculationGraceOnRepaymentPeriodFraction) {
+        return this.interestChargedFromDate != null && interestCalculationGraceOnRepaymentPeriodFraction.compareTo(BigDecimal.ZERO) > 0;
     }
 
     private Money calculateEqualPrincipalDueForInstallment(final MathContext mc, final int periodNumber) {
@@ -1291,7 +1295,7 @@ public final class LoanApplicationTerms {
                 this.graceOnArrearsAgeing, this.daysInMonthType.getValue(), this.daysInYearType.getValue(),
                 this.interestRecalculationEnabled, this.isEqualAmortization, this.isDownPaymentEnabled,
                 this.disbursedAmountPercentageForDownPayment, this.isAutoRepaymentForDownPaymentEnabled,
-                this.isScheduleExtensionForDownPaymentDisabled);
+                this.isScheduleExtensionForDownPaymentDisabled, this.loanScheduleType);
     }
 
     public Integer getLoanTermFrequency() {
@@ -1322,6 +1326,10 @@ public final class LoanApplicationTerms {
         this.principal = principal;
     }
 
+    public void setDisbursedPrincipal(Money disbursedPrincipal) {
+        this.disbursedPrincipal = disbursedPrincipal;
+    }
+
     public LocalDate getInterestChargedFromLocalDate() {
         return this.interestChargedFromDate;
     }
@@ -1781,4 +1789,8 @@ public final class LoanApplicationTerms {
     public Integer getInstallmentAmountInMultiplesOf() {
         return installmentAmountInMultiplesOf;
     }
+
+    public LoanScheduleType getLoanScheduleType() {
+        return loanScheduleType;
+    }
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanScheduleGeneratorFactory.java

@@ -22,5 +22,5 @@ import org.apache.fineract.portfolio.loanproduct.domain.InterestMethod;
 
 public interface LoanScheduleGeneratorFactory {
 
-    LoanScheduleGenerator create(InterestMethod interestMethod);
+    LoanScheduleGenerator create(LoanScheduleType loanScheduleType, InterestMethod interestMethod);
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanScheduleModel.java

@@ -20,7 +20,7 @@ package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
-import java.util.Collection;
+import java.util.List;
 import org.apache.fineract.organisation.monetary.data.CurrencyData;
 import org.apache.fineract.organisation.monetary.domain.ApplicationCurrency;
 import org.apache.fineract.organisation.monetary.domain.Money;
@@ -32,7 +32,7 @@ import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleP
  */
 public final class LoanScheduleModel {
 
-    private final Collection<LoanScheduleModelPeriod> periods;
+    private final List<LoanScheduleModelPeriod> periods;
     private final ApplicationCurrency applicationCurrency;
     private final int loanTermInDays;
     private final Money totalPrincipalDisbursed;
@@ -44,7 +44,7 @@ public final class LoanScheduleModel {
     private final BigDecimal totalRepaymentExpected;
     private final BigDecimal totalOutstanding;
 
-    public static LoanScheduleModel from(final Collection<LoanScheduleModelPeriod> periods, final ApplicationCurrency applicationCurrency,
+    public static LoanScheduleModel from(final List<LoanScheduleModelPeriod> periods, final ApplicationCurrency applicationCurrency,
             final int loanTermInDays, final Money principalDisbursed, final BigDecimal totalPrincipalExpected,
             final BigDecimal totalPrincipalPaid, final BigDecimal totalInterestCharged, final BigDecimal totalFeeChargesCharged,
             final BigDecimal totalPenaltyChargesCharged, final BigDecimal totalRepaymentExpected, final BigDecimal totalOutstanding) {
@@ -54,7 +54,7 @@ public final class LoanScheduleModel {
                 totalOutstanding);
     }
 
-    public static LoanScheduleModel withOverdueChargeUpdation(final Collection<LoanScheduleModelPeriod> periods,
+    public static LoanScheduleModel withOverdueChargeUpdation(final List<LoanScheduleModelPeriod> periods,
             final LoanScheduleModel loanScheduleModel, final BigDecimal totalPenaltyChargesCharged) {
 
         return new LoanScheduleModel(periods, loanScheduleModel.applicationCurrency, loanScheduleModel.loanTermInDays,
@@ -63,7 +63,7 @@ public final class LoanScheduleModel {
                 loanScheduleModel.totalRepaymentExpected, loanScheduleModel.totalOutstanding);
     }
 
-    public static LoanScheduleModel withLoanScheduleModelPeriods(final Collection<LoanScheduleModelPeriod> periods,
+    public static LoanScheduleModel withLoanScheduleModelPeriods(final List<LoanScheduleModelPeriod> periods,
             final LoanScheduleModel loanScheduleModel) {
 
         return new LoanScheduleModel(periods, loanScheduleModel.applicationCurrency, loanScheduleModel.loanTermInDays,
@@ -72,7 +72,7 @@ public final class LoanScheduleModel {
                 loanScheduleModel.totalPenaltyChargesCharged, loanScheduleModel.totalRepaymentExpected, loanScheduleModel.totalOutstanding);
     }
 
-    private LoanScheduleModel(final Collection<LoanScheduleModelPeriod> periods, final ApplicationCurrency applicationCurrency,
+    private LoanScheduleModel(final List<LoanScheduleModelPeriod> periods, final ApplicationCurrency applicationCurrency,
             final int loanTermInDays, final Money principalDisbursed, final BigDecimal totalPrincipalExpected,
             final BigDecimal totalPrincipalPaid, final BigDecimal totalInterestCharged, final BigDecimal totalFeeChargesCharged,
             final BigDecimal totalPenaltyChargesCharged, final BigDecimal totalRepaymentExpected, final BigDecimal totalOutstanding) {
@@ -97,7 +97,7 @@ public final class LoanScheduleModel {
 
         final BigDecimal totalCredits = BigDecimal.ZERO;
 
-        final Collection<LoanSchedulePeriodData> periodsData = new ArrayList<>();
+        final List<LoanSchedulePeriodData> periodsData = new ArrayList<>();
         for (final LoanScheduleModelPeriod modelPeriod : this.periods) {
             periodsData.add(modelPeriod.toData());
         }
@@ -114,7 +114,7 @@ public final class LoanScheduleModel {
                 totalPaidInAdvance, totalPaidLate, this.totalOutstanding, totalCredits);
     }
 
-    public Collection<LoanScheduleModelPeriod> getPeriods() {
+    public List<LoanScheduleModelPeriod> getPeriods() {
         return this.periods;
     }
 

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanScheduleType.java

@@ -0,0 +1,23 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
+
+public enum LoanScheduleType {
+    CUMULATIVE, PROGRESSIVE
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/PaymentPeriodsInOneYearCalculator.java

@@ -18,6 +18,8 @@
  */
 package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
+import java.math.BigDecimal;
+import java.math.MathContext;
 import java.time.LocalDate;
 import org.apache.fineract.portfolio.common.domain.PeriodFrequencyType;
 
@@ -25,7 +27,7 @@ public interface PaymentPeriodsInOneYearCalculator {
 
     Integer calculate(PeriodFrequencyType repaymentFrequencyType);
 
-    double calculatePortionOfRepaymentPeriodInterestChargingGrace(LocalDate repaymentPeriodStartDate, LocalDate scheduledDueDate,
-            LocalDate interestChargedFromLocalDate, PeriodFrequencyType repaymentPeriodFrequencyType, Integer repaidEvery);
+    BigDecimal calculatePortionOfRepaymentPeriodInterestChargingGrace(LocalDate repaymentPeriodStartDate, LocalDate scheduledDueDate,
+            LocalDate interestChargedFromLocalDate, PeriodFrequencyType repaymentPeriodFrequencyType, int repaidEvery, MathContext mc);
 
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/LoanProductConstants.java

@@ -156,4 +156,7 @@ public interface LoanProductConstants {
 
     String ENABLE_INSTALLMENT_LEVEL_DELINQUENCY = "enableInstallmentLevelDelinquency";
 
+    // loan schedule type
+    String LOAN_SCHEDULE_TYPE = "loanScheduleType";
+
 }

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProduct.java

@@ -62,6 +62,7 @@ import org.apache.fineract.portfolio.floatingrates.data.FloatingRatePeriodData;
 import org.apache.fineract.portfolio.floatingrates.domain.FloatingRate;
 import org.apache.fineract.portfolio.fund.domain.Fund;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.AprCalculator;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 import org.apache.fineract.portfolio.loanproduct.LoanProductConstants;
 import org.apache.fineract.portfolio.loanproduct.exception.LoanProductGeneralRuleException;
 import org.apache.fineract.portfolio.rate.domain.Rate;
@@ -303,6 +304,14 @@ public class LoanProduct extends AbstractPersistableCustom {
         final LocalDate closeDate = command.localDateValueOfParameterNamed("closeDate");
         final ExternalId externalId = ExternalIdFactory.produce(command.stringValueOfParameterNamedAllowingNull("externalId"));
 
+        final LoanScheduleType loanScheduleType;
+        if (command.hasParameter("loanScheduleType")) {
+            loanScheduleType = LoanScheduleType.valueOf(command.stringValueOfParameterNamed("loanScheduleType"));
+        } else {
+            // For backward compatibility
+            loanScheduleType = LoanScheduleType.CUMULATIVE;
+        }
+
         final boolean useBorrowerCycle = command
                 .booleanPrimitiveValueOfParameterNamed(LoanProductConstants.USE_BORROWER_CYCLE_PARAMETER_NAME);
         final Set<LoanProductBorrowerCycleVariations> loanProductBorrowerCycleVariations = new HashSet<>();
@@ -427,7 +436,7 @@ public class LoanProduct extends AbstractPersistableCustom {
                 disallowExpectedDisbursements, allowApprovedDisbursedAmountsOverApplied, overAppliedCalculationType, overAppliedNumber,
                 dueDaysForRepaymentEvent, overDueDaysForRepaymentEvent, enableDownPayment, disbursedAmountPercentageDownPayment,
                 enableAutoRepaymentForDownPayment, repaymentStartDateType, disableScheduleExtensionForDownPayment,
-                enableInstallmentLevelDelinquency);
+                enableInstallmentLevelDelinquency, loanScheduleType);
 
     }
 
@@ -642,7 +651,8 @@ public class LoanProduct extends AbstractPersistableCustom {
             final Integer overAppliedNumber, final Integer dueDaysForRepaymentEvent, final Integer overDueDaysForRepaymentEvent,
             final boolean enableDownPayment, final BigDecimal disbursedAmountPercentageForDownPayment,
             final boolean enableAutoRepaymentForDownPayment, final RepaymentStartDateType repaymentStartDateType,
-            final boolean disableScheduleExtensionForDownPayment, final boolean enableInstallmentLevelDelinquency) {
+            final boolean disableScheduleExtensionForDownPayment, final boolean enableInstallmentLevelDelinquency,
+            final LoanScheduleType loanScheduleType) {
         this.fund = fund;
         this.transactionProcessingStrategyCode = transactionProcessingStrategyCode;
 
@@ -684,7 +694,7 @@ public class LoanProduct extends AbstractPersistableCustom {
                 recurringMoratoriumOnPrincipalPeriods, graceOnInterestPayment, graceOnInterestCharged, amortizationMethod,
                 inArrearsTolerance, graceOnArrearsAgeing, daysInMonthType.getValue(), daysInYearType.getValue(),
                 isInterestRecalculationEnabled, isEqualAmortization, enableDownPayment, disbursedAmountPercentageForDownPayment,
-                enableAutoRepaymentForDownPayment, disableScheduleExtensionForDownPayment);
+                enableAutoRepaymentForDownPayment, disableScheduleExtensionForDownPayment, loanScheduleType);
 
         this.loanProductRelatedDetail.validateRepaymentPeriodWithGraceSettings();
 

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanProductRelatedDetail.java

@@ -39,6 +39,7 @@ import org.apache.fineract.portfolio.common.domain.DaysInYearType;
 import org.apache.fineract.portfolio.common.domain.PeriodFrequencyType;
 import org.apache.fineract.portfolio.loanaccount.domain.Loan;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.AprCalculator;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 import org.apache.fineract.portfolio.loanproduct.LoanProductConstants;
 
 /**
@@ -141,6 +142,10 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
     @Column(name = "disable_schedule_extension_for_down_payment", nullable = false)
     private boolean disableScheduleExtensionForDownPayment;
 
+    @Column(name = "loan_schedule_type", nullable = false)
+    @Enumerated(EnumType.STRING)
+    private LoanScheduleType loanScheduleType;
+
     public static LoanProductRelatedDetail createFrom(final MonetaryCurrency currency, final BigDecimal principal,
             final BigDecimal nominalInterestRatePerPeriod, final PeriodFrequencyType interestRatePeriodFrequencyType,
             final BigDecimal nominalAnnualInterestRate, final InterestMethod interestMethod,
@@ -151,7 +156,8 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
             final BigDecimal inArrearsTolerance, final Integer graceOnArrearsAgeing, final Integer daysInMonthType,
             final Integer daysInYearType, final boolean isInterestRecalculationEnabled, final boolean isEqualAmortization,
             final boolean enableDownPayment, final BigDecimal disbursedAmountPercentageForDownPayment,
-            final boolean enableAutoRepaymentForDownPayment, final boolean disableScheduleExtensionForDownPayment) {
+            final boolean enableAutoRepaymentForDownPayment, final boolean disableScheduleExtensionForDownPayment,
+            final LoanScheduleType loanScheduleType) {
 
         return new LoanProductRelatedDetail(currency, principal, nominalInterestRatePerPeriod, interestRatePeriodFrequencyType,
                 nominalAnnualInterestRate, interestMethod, interestCalculationPeriodMethod, allowPartialPeriodInterestCalcualtion,
@@ -159,7 +165,7 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
                 recurringMoratoriumOnPrincipalPeriods, graceOnInterestPayment, graceOnInterestCharged, amortizationMethod,
                 inArrearsTolerance, graceOnArrearsAgeing, daysInMonthType, daysInYearType, isInterestRecalculationEnabled,
                 isEqualAmortization, enableDownPayment, disbursedAmountPercentageForDownPayment, enableAutoRepaymentForDownPayment,
-                disableScheduleExtensionForDownPayment);
+                disableScheduleExtensionForDownPayment, loanScheduleType);
     }
 
     protected LoanProductRelatedDetail() {
@@ -176,7 +182,8 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
             final BigDecimal inArrearsTolerance, final Integer graceOnArrearsAgeing, final Integer daysInMonthType,
             final Integer daysInYearType, final boolean isInterestRecalculationEnabled, final boolean isEqualAmortization,
             final boolean enableDownPayment, final BigDecimal disbursedAmountPercentageForDownPayment,
-            final boolean enableAutoRepaymentForDownPayment, final boolean disableScheduleExtensionForDownPayment) {
+            final boolean enableAutoRepaymentForDownPayment, final boolean disableScheduleExtensionForDownPayment,
+            final LoanScheduleType loanScheduleType) {
         this.currency = currency;
         this.principal = defaultPrincipal;
         this.nominalInterestRatePerPeriod = defaultNominalInterestRatePerPeriod;
@@ -207,6 +214,7 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
         this.disbursedAmountPercentageForDownPayment = disbursedAmountPercentageForDownPayment;
         this.enableAutoRepaymentForDownPayment = enableAutoRepaymentForDownPayment;
         this.disableScheduleExtensionForDownPayment = disableScheduleExtensionForDownPayment;
+        this.loanScheduleType = loanScheduleType;
     }
 
     private Integer defaultToNullIfZero(final Integer value) {
@@ -729,4 +737,7 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
         this.disableScheduleExtensionForDownPayment = disableScheduleExtensionForDownPayment;
     }
 
+    public LoanScheduleType getLoanScheduleType() {
+        return loanScheduleType;
+    }
 }

fineract-loan/src/main/resources/db/changelog/tenant/module/loan/module-changelog-master.xml

@@ -32,4 +32,5 @@
   <include relativeToChangelogFile="true" file="parts/1007_add_loan_product_schedule_extension_for_down_payment_configuration.xml"/>
   <include relativeToChangelogFile="true" file="parts/1008_add_loan_installment_delinquency_tag.xml"/>
   <include relativeToChangelogFile="true" file="parts/1009_refactor_loan_Installment_delinquency_tag.xml"/>
+  <include relativeToChangelogFile="true" file="parts/1010_introduce_loan_schedule_type_configuration.xml"/>
 </databaseChangeLog>

fineract-loan/src/main/resources/db/changelog/tenant/module/loan/parts/1010_introduce_loan_schedule_type_configuration.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements. See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership. The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License. You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied. See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
+    <changeSet author="fineract" id="1">
+        <addColumn tableName="m_product_loan">
+            <column defaultValue="CUMULATIVE" type="varchar(20)" name="loan_schedule_type">
+                <constraints nullable="false"/>
+            </column>
+        </addColumn>
+        <addColumn tableName="m_loan">
+            <column defaultValue="CUMULATIVE" type="varchar(20)" name="loan_schedule_type">
+                <constraints nullable="false"/>
+            </column>
+        </addColumn>
+    </changeSet>
+</databaseChangeLog>

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/transactionprocessor/impl/AdvancedPaymentScheduleTransactionProcessor.java

@@ -19,6 +19,7 @@
 package org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl;
 
 import java.math.BigDecimal;
+import java.math.MathContext;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -31,6 +32,7 @@ import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.ObjectUtils;
+import org.apache.fineract.infrastructure.core.service.MathUtil;
 import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
 import org.apache.fineract.organisation.monetary.domain.Money;
 import org.apache.fineract.organisation.monetary.domain.MoneyHelper;
@@ -43,6 +45,7 @@ import org.apache.fineract.portfolio.loanaccount.domain.LoanTransactionToRepayme
 import org.apache.fineract.portfolio.loanaccount.domain.SingleLoanChargeRepaymentScheduleProcessingWrapper;
 import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.AbstractLoanRepaymentScheduleTransactionProcessor;
 import org.apache.fineract.portfolio.loanproduct.domain.FutureInstallmentAllocationRule;
+import org.apache.fineract.portfolio.loanproduct.domain.LoanProductRelatedDetail;
 import org.apache.fineract.portfolio.loanproduct.domain.PaymentAllocationTransactionType;
 import org.apache.fineract.portfolio.loanproduct.domain.PaymentAllocationType;
 import org.jetbrains.annotations.NotNull;
@@ -144,8 +147,7 @@ public class AdvancedPaymentScheduleTransactionProcessor extends AbstractLoanRep
         }
 
         for (final LoanRepaymentScheduleInstallment currentInstallment : installments) {
-            currentInstallment.resetDerivedComponents();
-            currentInstallment.resetChargesFields();
+            currentInstallment.resetBalances();
             currentInstallment.updateDerivedFields(currency, disbursementDate);
         }
 

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/AbstractProgressiveLoanScheduleGenerator.java

@@ -0,0 +1,629 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+import org.apache.fineract.infrastructure.core.service.DateUtils;
+import org.apache.fineract.infrastructure.core.service.MathUtil;
+import org.apache.fineract.organisation.monetary.domain.ApplicationCurrency;
+import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
+import org.apache.fineract.organisation.monetary.domain.Money;
+import org.apache.fineract.organisation.workingdays.data.AdjustedDateDetailsDTO;
+import org.apache.fineract.portfolio.calendar.domain.CalendarInstance;
+import org.apache.fineract.portfolio.calendar.service.CalendarUtils;
+import org.apache.fineract.portfolio.loanaccount.data.DisbursementData;
+import org.apache.fineract.portfolio.loanaccount.data.HolidayDetailDTO;
+import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
+import org.apache.fineract.portfolio.loanaccount.domain.Loan;
+import org.apache.fineract.portfolio.loanaccount.domain.LoanCharge;
+import org.apache.fineract.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
+import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.LoanRepaymentScheduleTransactionProcessor;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleDTO;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleModelDownPaymentPeriod;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.data.LoanScheduleParams;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.exception.MultiDisbursementOutstandingAmoutException;
+import org.apache.fineract.portfolio.loanproduct.domain.RepaymentStartDateType;
+
+public abstract class AbstractProgressiveLoanScheduleGenerator implements LoanScheduleGenerator {
+
+    @Override
+    public LoanScheduleModel generate(final MathContext mc, final LoanApplicationTerms loanApplicationTerms,
+            final Set<LoanCharge> loanCharges, final HolidayDetailDTO holidayDetailDTO) {
+        // TODO: handle interest calculation
+        final ApplicationCurrency applicationCurrency = loanApplicationTerms.getApplicationCurrency();
+        // generate list of proposed schedule due dates
+        LocalDate loanEndDate = getScheduledDateGenerator().getLastRepaymentDate(loanApplicationTerms, holidayDetailDTO);
+        LoanTermVariationsData lastDueDateVariation = loanApplicationTerms.getLoanTermVariations()
+                .fetchLoanTermDueDateVariationsData(loanEndDate);
+        if (lastDueDateVariation != null) {
+            loanEndDate = lastDueDateVariation.getDateValue();
+        }
+        loanApplicationTerms.updateLoanEndDate(loanEndDate);
+
+        // determine the total charges due at time of disbursement
+        final BigDecimal chargesDueAtTimeOfDisbursement = deriveTotalChargesDueAtTimeOfDisbursement(loanCharges);
+
+        // setup variables for tracking important facts required for loan
+        // schedule generation.
+
+        final MonetaryCurrency currency = loanApplicationTerms.getCurrency();
+        LocalDate periodStartDate = RepaymentStartDateType.DISBURSEMENT_DATE.equals(loanApplicationTerms.getRepaymentStartDateType())
+                ? loanApplicationTerms.getExpectedDisbursementDate()
+                : loanApplicationTerms.getSubmittedOnDate();
+
+        LoanScheduleParams scheduleParams = LoanScheduleParams.createLoanScheduleParams(currency,
+                Money.of(currency, chargesDueAtTimeOfDisbursement), periodStartDate, getPrincipalToBeScheduled(loanApplicationTerms));
+
+        List<LoanScheduleModelPeriod> periods = createNewLoanScheduleListWithDisbursementDetails(loanApplicationTerms, scheduleParams,
+                chargesDueAtTimeOfDisbursement);
+
+        boolean isFirstRepayment = true;
+
+        if (loanApplicationTerms.isMultiDisburseLoan()) {
+            /* fetches the first tranche amount and also updates other tranche details to map */
+            BigDecimal disburseAmt = getDisbursementAmount(loanApplicationTerms, scheduleParams.getPeriodStartDate(),
+                    scheduleParams.getDisburseDetailMap(), scheduleParams.applyInterestRecalculation());
+            BigDecimal downPaymentAmt = BigDecimal.ZERO;
+            if (loanApplicationTerms.isDownPaymentEnabled()) {
+                downPaymentAmt = MathUtil.percentageOf(disburseAmt, loanApplicationTerms.getDisbursedAmountPercentageForDownPayment(), 19);
+                if (loanApplicationTerms.getInstallmentAmountInMultiplesOf() != null) {
+                    downPaymentAmt = Money.roundToMultiplesOf(downPaymentAmt, loanApplicationTerms.getInstallmentAmountInMultiplesOf());
+                }
+            }
+            BigDecimal remainingPrincipalAmt = disburseAmt.subtract(downPaymentAmt);
+            scheduleParams.setPrincipalToBeScheduled(Money.of(currency, remainingPrincipalAmt));
+            loanApplicationTerms.setPrincipal(loanApplicationTerms.getPrincipal().zero().plus(remainingPrincipalAmt));
+            scheduleParams.setOutstandingBalance(Money.of(currency, remainingPrincipalAmt));
+            scheduleParams.setOutstandingBalanceAsPerRest(Money.of(currency, remainingPrincipalAmt));
+            loanApplicationTerms.resetFixedEmiAmount();
+        }
+
+        // charges which depends on total loan interest will be added to this
+        // set and handled separately after all installments generated
+        final Set<LoanCharge> nonCompoundingCharges = separateTotalCompoundingPercentageCharges(loanCharges);
+        boolean isNextRepaymentAvailable = true;
+
+        while (!scheduleParams.getOutstandingBalance().isZero()) {
+            scheduleParams.setActualRepaymentDate(getScheduledDateGenerator()
+                    .generateNextRepaymentDate(scheduleParams.getActualRepaymentDate(), loanApplicationTerms, isFirstRepayment));
+            AdjustedDateDetailsDTO adjustedDateDetailsDTO = getScheduledDateGenerator()
+                    .adjustRepaymentDate(scheduleParams.getActualRepaymentDate(), loanApplicationTerms, holidayDetailDTO);
+            scheduleParams.setActualRepaymentDate(adjustedDateDetailsDTO.getChangedActualRepaymentDate());
+            isFirstRepayment = false;
+            LocalDate scheduledDueDate = adjustedDateDetailsDTO.getChangedScheduleDate();
+
+            // this block is to generate the schedule till the specified
+            // date(used for calculating preclosure)
+            boolean isCompletePeriod = true;
+            if (scheduleParams.getScheduleTillDate() != null && !scheduledDueDate.isBefore(scheduleParams.getScheduleTillDate())) {
+                if (!scheduledDueDate.isEqual(scheduleParams.getScheduleTillDate())) {
+                    isCompletePeriod = false;
+                }
+                scheduledDueDate = scheduleParams.getScheduleTillDate();
+                isNextRepaymentAvailable = false;
+            }
+
+            ScheduleCurrentPeriodParams currentPeriodParams = new ScheduleCurrentPeriodParams(currency, BigDecimal.ZERO);
+
+            if (loanApplicationTerms.isMultiDisburseLoan()) {
+                processDisbursements(loanApplicationTerms, chargesDueAtTimeOfDisbursement, scheduleParams, periods, scheduledDueDate);
+            }
+
+            if (currentPeriodParams.isSkipCurrentLoop()) {
+                continue;
+            }
+
+            // 5 determine principal,interest of repayment period
+            PrincipalInterest principalInterestForThisPeriod = calculatePrincipalInterestComponentsForPeriod(
+                    getPaymentPeriodsInOneYearCalculator(), currentPeriodParams.getInterestCalculationGraceOnRepaymentPeriodFraction(),
+                    scheduleParams.getTotalCumulativePrincipal().minus(scheduleParams.getReducePrincipal()),
+                    scheduleParams.getTotalCumulativeInterest(), loanApplicationTerms.getTotalInterestDue(),
+                    scheduleParams.getTotalOutstandingInterestPaymentDueToGrace(), scheduleParams.getOutstandingBalanceAsPerRest(),
+                    loanApplicationTerms, scheduleParams.getPeriodNumber(), mc, null, scheduleParams.getCompoundingMap(), null,
+                    scheduledDueDate, null);
+
+            // update cumulative fields for principal
+            currentPeriodParams.setPrincipalForThisPeriod(principalInterestForThisPeriod.principal());
+            updateOutstandingBalance(scheduleParams, currentPeriodParams);
+
+            if (scheduleParams.getOutstandingBalance().isLessThanZero() || !isNextRepaymentAvailable) {
+                currentPeriodParams.plusPrincipalForThisPeriod(scheduleParams.getOutstandingBalance());
+                scheduleParams.setOutstandingBalance(Money.zero(currency));
+            }
+
+            if (!isNextRepaymentAvailable) {
+                scheduleParams.getDisburseDetailMap().clear();
+            }
+
+            // applies charges for the period
+            applyChargesForCurrentPeriod(loanCharges, currency, scheduleParams, scheduledDueDate, currentPeriodParams, mc);
+
+            // sum up real totalInstallmentDue from components
+            final Money totalInstallmentDue = currentPeriodParams.fetchTotalAmountForPeriod();
+
+            // if previous installment is last then add interest to same
+            // installment
+            if (currentPeriodParams.getLastInstallment() != null && currentPeriodParams.getPrincipalForThisPeriod().isZero()) {
+                currentPeriodParams.getLastInstallment().addInterestAmount(currentPeriodParams.getInterestForThisPeriod());
+                continue;
+            }
+
+            // create repayment period from parts
+            LoanScheduleModelPeriod installment = LoanScheduleModelRepaymentPeriod.repayment(scheduleParams.getInstalmentNumber(),
+                    scheduleParams.getPeriodStartDate(), scheduledDueDate, currentPeriodParams.getPrincipalForThisPeriod(),
+                    scheduleParams.getOutstandingBalance(), currentPeriodParams.getInterestForThisPeriod(),
+                    currentPeriodParams.getFeeChargesForInstallment(), currentPeriodParams.getPenaltyChargesForInstallment(),
+                    totalInstallmentDue, !isCompletePeriod);
+            if (principalInterestForThisPeriod.getRescheduleInterestPortion() != null) {
+                installment.setRescheduleInterestPortion(principalInterestForThisPeriod.getRescheduleInterestPortion().getAmount());
+            }
+            addLoanRepaymentScheduleInstallment(scheduleParams.getInstallments(), installment);
+
+            if (loanApplicationTerms.getCurrentPeriodFixedEmiAmount() != null) {
+                installment.setEMIFixedSpecificToInstallmentTrue();
+            }
+
+            periods.add(installment);
+
+            // Updates principal paid map with efective date for reducing
+            // the amount from outstanding balance(interest calculation)
+            updateAmountsWithEffectiveDate(loanApplicationTerms, holidayDetailDTO, scheduleParams, scheduledDueDate, currentPeriodParams,
+                    installment);
+
+            // handle cumulative fields
+
+            scheduleParams.addTotalCumulativePrincipal(currentPeriodParams.getPrincipalForThisPeriod());
+            scheduleParams.addTotalRepaymentExpected(totalInstallmentDue);
+            scheduleParams.addTotalCumulativeInterest(currentPeriodParams.getInterestForThisPeriod());
+            scheduleParams.setPeriodStartDate(scheduledDueDate);
+            scheduleParams.incrementInstalmentNumber();
+            scheduleParams.incrementPeriodNumber();
+            // if (termVariationParams.isRecalculateAmounts()) {
+            // loanApplicationTerms.setCurrentPeriodFixedEmiAmount(null);
+            // loanApplicationTerms.setCurrentPeriodFixedPrincipalAmount(null);
+            // adjustInstallmentOrPrincipalAmount(loanApplicationTerms, scheduleParams.getTotalCumulativePrincipal(),
+            // scheduleParams.getPeriodNumber(), mc);
+            // }
+        }
+
+        // determine fees and penalties for charges which depends on total
+        // loan interest
+        updatePeriodsWithCharges(currency, scheduleParams, periods, nonCompoundingCharges, mc);
+
+        final BigDecimal totalPrincipalPaid = BigDecimal.ZERO;
+        final BigDecimal totalOutstanding = BigDecimal.ZERO;
+
+        return LoanScheduleModel.from(periods, applicationCurrency, scheduleParams.getLoanTermInDays(),
+                scheduleParams.getPrincipalToBeScheduled(), scheduleParams.getTotalCumulativePrincipal().getAmount(), totalPrincipalPaid,
+                scheduleParams.getTotalCumulativeInterest().getAmount(), scheduleParams.getTotalFeeChargesCharged().getAmount(),
+                scheduleParams.getTotalPenaltyChargesCharged().getAmount(), scheduleParams.getTotalRepaymentExpected().getAmount(),
+                totalOutstanding);
+    }
+
+    @Override
+    public LoanScheduleDTO rescheduleNextInstallments(MathContext mc, LoanApplicationTerms loanApplicationTerms, Loan loan,
+            HolidayDetailDTO holidayDetailDTO, LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor,
+            LocalDate rescheduleFrom) {
+        return null;
+    }
+
+    @Override
+    public LoanRepaymentScheduleInstallment calculatePrepaymentAmount(MonetaryCurrency currency, LocalDate onDate,
+            LoanApplicationTerms loanApplicationTerms, MathContext mc, Loan loan, HolidayDetailDTO holidayDetailDTO,
+            LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor) {
+        return null;
+    }
+
+    // Abstract methods
+    public abstract ScheduledDateGenerator getScheduledDateGenerator();
+
+    public abstract PaymentPeriodsInOneYearCalculator getPaymentPeriodsInOneYearCalculator();
+
+    public abstract PrincipalInterest calculatePrincipalInterestComponentsForPeriod(PaymentPeriodsInOneYearCalculator calculator,
+            BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, Money totalCumulativePrincipal, Money totalCumulativeInterest,
+            Money totalInterestDueForLoan, Money cumulatingInterestPaymentDueToGrace, Money outstandingBalance,
+            LoanApplicationTerms loanApplicationTerms, int periodNumber, MathContext mc, TreeMap<LocalDate, Money> principalVariation,
+            Map<LocalDate, Money> compoundingMap, LocalDate periodStartDate, LocalDate periodEndDate,
+            Collection<LoanTermVariationsData> termVariations);
+
+    // Private, internal methods
+    private BigDecimal deriveTotalChargesDueAtTimeOfDisbursement(final Set<LoanCharge> loanCharges) {
+        BigDecimal chargesDueAtTimeOfDisbursement = BigDecimal.ZERO;
+        for (final LoanCharge loanCharge : loanCharges) {
+            if (loanCharge.isDueAtDisbursement()) {
+                chargesDueAtTimeOfDisbursement = chargesDueAtTimeOfDisbursement.add(loanCharge.amount());
+            }
+        }
+        return chargesDueAtTimeOfDisbursement;
+    }
+
+    /**
+     * this method calculates the principal amount for generating the repayment schedule.
+     */
+    private Money getPrincipalToBeScheduled(final LoanApplicationTerms loanApplicationTerms) {
+        Money principalToBeScheduled;
+        if (loanApplicationTerms.isMultiDisburseLoan()) {
+            if (loanApplicationTerms.getTotalDisbursedAmount().isGreaterThanZero()) {
+                principalToBeScheduled = loanApplicationTerms.getTotalMultiDisbursedAmount();
+            } else if (loanApplicationTerms.getApprovedPrincipal().isGreaterThanZero()) {
+                principalToBeScheduled = loanApplicationTerms.getApprovedPrincipal();
+            } else {
+                principalToBeScheduled = loanApplicationTerms.getPrincipal();
+            }
+        } else {
+            principalToBeScheduled = loanApplicationTerms.getPrincipal();
+        }
+        return principalToBeScheduled;
+    }
+
+    private List<LoanScheduleModelPeriod> createNewLoanScheduleListWithDisbursementDetails(final LoanApplicationTerms loanApplicationTerms,
+            final LoanScheduleParams loanScheduleParams, final BigDecimal chargesDueAtTimeOfDisbursement) {
+        List<LoanScheduleModelPeriod> periods = new ArrayList<>();
+
+        // In case of `disallowExpectedDisbursementDetails = true`, anyway at least 1 disbursement details must exist
+        if (loanApplicationTerms.getDisbursementDatas().isEmpty()) {
+            loanApplicationTerms.getDisbursementDatas()
+                    .add(new DisbursementData(1L, loanApplicationTerms.getExpectedDisbursementDate(),
+                            loanApplicationTerms.getExpectedDisbursementDate(), loanApplicationTerms.getPrincipal().getAmount(), null, null,
+                            null, null));
+        }
+        for (DisbursementData disbursementData : loanApplicationTerms.getDisbursementDatas()) {
+            if (disbursementData.disbursementDate().equals(loanScheduleParams.getPeriodStartDate())) {
+                final LoanScheduleModelDisbursementPeriod disbursementPeriod = LoanScheduleModelDisbursementPeriod.disbursement(
+                        disbursementData.disbursementDate(), Money.of(loanScheduleParams.getCurrency(), disbursementData.getPrincipal()),
+                        chargesDueAtTimeOfDisbursement);
+                periods.add(disbursementPeriod);
+                if (loanApplicationTerms.isDownPaymentEnabled()) {
+                    final LoanScheduleModelDownPaymentPeriod downPaymentPeriod = createDownPaymentPeriod(loanApplicationTerms,
+                            loanScheduleParams, loanApplicationTerms.getExpectedDisbursementDate(), disbursementData.getPrincipal());
+                    periods.add(downPaymentPeriod);
+                }
+            }
+        }
+
+        return periods;
+    }
+
+    private LoanScheduleModelDownPaymentPeriod createDownPaymentPeriod(LoanApplicationTerms loanApplicationTerms,
+            LoanScheduleParams scheduleParams, LocalDate date, BigDecimal periodBaseAmount) {
+        BigDecimal downPaymentAmount = MathUtil.percentageOf(periodBaseAmount,
+                loanApplicationTerms.getDisbursedAmountPercentageForDownPayment(), 19);
+        if (loanApplicationTerms.getInstallmentAmountInMultiplesOf() != null) {
+            downPaymentAmount = Money.roundToMultiplesOf(downPaymentAmount, loanApplicationTerms.getInstallmentAmountInMultiplesOf());
+        }
+        Money downPayment = Money.of(loanApplicationTerms.getCurrency(), downPaymentAmount);
+        LoanScheduleModelDownPaymentPeriod installment = LoanScheduleModelDownPaymentPeriod
+                .downPayment(scheduleParams.getInstalmentNumber(), date, downPayment, scheduleParams.getOutstandingBalance());
+
+        addLoanRepaymentScheduleInstallment(scheduleParams.getInstallments(), installment);
+
+        scheduleParams.incrementInstalmentNumber();
+        scheduleParams.addTotalRepaymentExpected(downPayment);
+
+        return installment;
+    }
+
+    private LoanRepaymentScheduleInstallment addLoanRepaymentScheduleInstallment(final List<LoanRepaymentScheduleInstallment> installments,
+            final LoanScheduleModelPeriod scheduledLoanInstallment) {
+        LoanRepaymentScheduleInstallment installment = null;
+        if (scheduledLoanInstallment.isRepaymentPeriod() || scheduledLoanInstallment.isDownPaymentPeriod()) {
+            installment = new LoanRepaymentScheduleInstallment(null, scheduledLoanInstallment.periodNumber(),
+                    scheduledLoanInstallment.periodFromDate(), scheduledLoanInstallment.periodDueDate(),
+                    scheduledLoanInstallment.principalDue(), scheduledLoanInstallment.interestDue(),
+                    scheduledLoanInstallment.feeChargesDue(), scheduledLoanInstallment.penaltyChargesDue(),
+                    scheduledLoanInstallment.isRecalculatedInterestComponent(), scheduledLoanInstallment.getLoanCompoundingDetails(),
+                    scheduledLoanInstallment.rescheduleInterestPortion(), scheduledLoanInstallment.isDownPaymentPeriod());
+            installments.add(installment);
+        }
+        return installment;
+    }
+
+    /**
+     * Method add extra disbursement periods (if applicable) and update the schedule params
+     */
+    private void processDisbursements(final LoanApplicationTerms loanApplicationTerms, final BigDecimal chargesDueAtTimeOfDisbursement,
+            LoanScheduleParams scheduleParams, final Collection<LoanScheduleModelPeriod> periods, final LocalDate scheduledDueDate) {
+        for (Map.Entry<LocalDate, Money> disburseDetail : scheduleParams.getDisburseDetailMap().entrySet()) {
+            if (disburseDetail.getKey().isAfter(scheduleParams.getPeriodStartDate())
+                    && !disburseDetail.getKey().isAfter(scheduledDueDate)) {
+                // validation check for amount not exceeds specified max
+                // amount as per the configuration
+                loanApplicationTerms.getMaxOutstandingBalance();
+                if (scheduleParams.getOutstandingBalance().plus(disburseDetail.getValue())
+                        .isGreaterThan(loanApplicationTerms.getMaxOutstandingBalance())) {
+                    String errorMsg = "Outstanding balance must not exceed the amount: " + loanApplicationTerms.getMaxOutstandingBalance();
+                    throw new MultiDisbursementOutstandingAmoutException(errorMsg,
+                            loanApplicationTerms.getMaxOutstandingBalance().getAmount(), disburseDetail.getValue());
+                }
+
+                // creates and add disbursement detail to the repayments
+                // period
+                final LoanScheduleModelDisbursementPeriod disbursementPeriod = LoanScheduleModelDisbursementPeriod
+                        .disbursement(disburseDetail.getKey(), disburseDetail.getValue(), chargesDueAtTimeOfDisbursement);
+                periods.add(disbursementPeriod);
+
+                BigDecimal downPaymentAmt = BigDecimal.ZERO;
+                if (loanApplicationTerms.isDownPaymentEnabled()) {
+                    final LoanScheduleModelDownPaymentPeriod downPaymentPeriod = createDownPaymentPeriod(loanApplicationTerms,
+                            scheduleParams, disburseDetail.getKey(), disburseDetail.getValue().getAmount());
+                    periods.add(downPaymentPeriod);
+                    downPaymentAmt = downPaymentPeriod.principalDue();
+                }
+                // updates actual outstanding balance with new
+                // disbursement detail
+                Money remainingPrincipal = disburseDetail.getValue().minus(downPaymentAmt);
+                scheduleParams.addOutstandingBalance(remainingPrincipal);
+                scheduleParams.addOutstandingBalanceAsPerRest(remainingPrincipal);
+                scheduleParams.addPrincipalToBeScheduled(remainingPrincipal);
+                loanApplicationTerms.setPrincipal(loanApplicationTerms.getPrincipal().plus(remainingPrincipal));
+                loanApplicationTerms.resetFixedEmiAmount();
+            }
+        }
+    }
+
+    private void applyChargesForCurrentPeriod(final Set<LoanCharge> loanCharges, final MonetaryCurrency currency,
+            LoanScheduleParams scheduleParams, LocalDate scheduledDueDate, ScheduleCurrentPeriodParams currentPeriodParams,
+            final MathContext mc) {
+        PrincipalInterest principalInterest = new PrincipalInterest(currentPeriodParams.getPrincipalForThisPeriod(),
+                currentPeriodParams.getInterestForThisPeriod(), null);
+        currentPeriodParams.setFeeChargesForInstallment(cumulativeFeeChargesDueWithin(scheduleParams.getPeriodStartDate(), scheduledDueDate,
+                loanCharges, currency, principalInterest, scheduleParams.getPrincipalToBeScheduled(),
+                scheduleParams.getTotalCumulativeInterest(), true, scheduleParams.isFirstPeriod(), mc));
+        currentPeriodParams.setPenaltyChargesForInstallment(cumulativePenaltyChargesDueWithin(scheduleParams.getPeriodStartDate(),
+                scheduledDueDate, loanCharges, currency, principalInterest, scheduleParams.getPrincipalToBeScheduled(),
+                scheduleParams.getTotalCumulativeInterest(), true, scheduleParams.isFirstPeriod(), mc));
+        scheduleParams.addTotalFeeChargesCharged(currentPeriodParams.getFeeChargesForInstallment());
+        scheduleParams.addTotalPenaltyChargesCharged(currentPeriodParams.getPenaltyChargesForInstallment());
+    }
+
+    private Money cumulativeFeeChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd, final Set<LoanCharge> loanCharges,
+            final MonetaryCurrency monetaryCurrency, final PrincipalInterest principalInterestForThisPeriod, final Money principalDisbursed,
+            final Money totalInterestChargedForFullLoanTerm, boolean isInstallmentChargeApplicable, final boolean isFirstPeriod,
+            final MathContext mc) {
+        Money cumulative = Money.zero(monetaryCurrency);
+        for (final LoanCharge loanCharge : loanCharges) {
+            if (!loanCharge.isDueAtDisbursement() && loanCharge.isFeeCharge()) {
+                cumulative = getCumulativeAmountOfCharge(periodStart, periodEnd, principalInterestForThisPeriod, principalDisbursed,
+                        totalInterestChargedForFullLoanTerm, isInstallmentChargeApplicable, isFirstPeriod, loanCharge, cumulative, mc);
+            }
+        }
+        return cumulative;
+    }
+
+    private Money getCumulativeAmountOfCharge(LocalDate periodStart, LocalDate periodEnd, PrincipalInterest principalInterestForThisPeriod,
+            Money principalDisbursed, Money totalInterestChargedForFullLoanTerm, boolean isInstallmentChargeApplicable,
+            boolean isFirstPeriod, LoanCharge loanCharge, Money cumulative, MathContext mc) {
+        boolean isDue = isFirstPeriod ? loanCharge.isDueForCollectionFromIncludingAndUpToAndIncluding(periodStart, periodEnd)
+                : loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd);
+        if (loanCharge.isInstalmentFee() && isInstallmentChargeApplicable) {
+            cumulative = calculateInstallmentCharge(principalInterestForThisPeriod, cumulative, loanCharge, mc);
+        } else if (loanCharge.isOverdueInstallmentCharge() && isDue && loanCharge.getChargeCalculation().isPercentageBased()) {
+            cumulative = cumulative.plus(loanCharge.chargeAmount());
+        } else if (isDue && loanCharge.getChargeCalculation().isPercentageBased()) {
+            cumulative = calculateSpecificDueDateChargeWithPercentage(principalDisbursed, totalInterestChargedForFullLoanTerm, cumulative,
+                    loanCharge, mc);
+        } else if (isDue) {
+            cumulative = cumulative.plus(loanCharge.amount());
+        }
+        return cumulative;
+    }
+
+    private Money cumulativePenaltyChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd,
+            final Set<LoanCharge> loanCharges, final MonetaryCurrency monetaryCurrency,
+            final PrincipalInterest principalInterestForThisPeriod, final Money principalDisbursed,
+            final Money totalInterestChargedForFullLoanTerm, boolean isInstallmentChargeApplicable, final boolean isFirstPeriod,
+            final MathContext mc) {
+        Money cumulative = Money.zero(monetaryCurrency);
+        for (final LoanCharge loanCharge : loanCharges) {
+            if (loanCharge.isPenaltyCharge()) {
+                cumulative = getCumulativeAmountOfCharge(periodStart, periodEnd, principalInterestForThisPeriod, principalDisbursed,
+                        totalInterestChargedForFullLoanTerm, isInstallmentChargeApplicable, isFirstPeriod, loanCharge, cumulative, mc);
+            }
+        }
+        return cumulative;
+    }
+
+    private Money calculateInstallmentCharge(final PrincipalInterest principalInterestForThisPeriod, Money cumulative,
+            final LoanCharge loanCharge, final MathContext mc) {
+        if (loanCharge.getChargeCalculation().isPercentageBased()) {
+            BigDecimal amount = BigDecimal.ZERO;
+            if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                amount = amount.add(principalInterestForThisPeriod.principal().getAmount())
+                        .add(principalInterestForThisPeriod.interest().getAmount());
+            } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                amount = amount.add(principalInterestForThisPeriod.interest().getAmount());
+            } else {
+                amount = amount.add(principalInterestForThisPeriod.principal().getAmount());
+            }
+            BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100), mc);
+            cumulative = cumulative.plus(loanChargeAmt);
+        } else {
+            cumulative = cumulative.plus(loanCharge.amountOrPercentage());
+        }
+        return cumulative;
+    }
+
+    private Money calculateSpecificDueDateChargeWithPercentage(final Money principalDisbursed,
+            final Money totalInterestChargedForFullLoanTerm, Money cumulative, final LoanCharge loanCharge, final MathContext mc) {
+        BigDecimal amount = BigDecimal.ZERO;
+        if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+            amount = amount.add(principalDisbursed.getAmount()).add(totalInterestChargedForFullLoanTerm.getAmount());
+        } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+            amount = amount.add(totalInterestChargedForFullLoanTerm.getAmount());
+        } else {
+            amount = amount.add(principalDisbursed.getAmount());
+        }
+        BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100), mc);
+        cumulative = cumulative.plus(loanChargeAmt);
+        return cumulative;
+    }
+
+    private void updateAmountsWithEffectiveDate(final LoanApplicationTerms loanApplicationTerms, final HolidayDetailDTO holidayDetailDTO,
+            LoanScheduleParams scheduleParams, LocalDate scheduledDueDate, ScheduleCurrentPeriodParams currentPeriodParams,
+            LoanScheduleModelPeriod installment) {
+        LocalDate amountApplicableDate = installment.periodDueDate();
+        if (loanApplicationTerms.isInterestRecalculationEnabled()) {
+            amountApplicableDate = getNextRestScheduleDate(installment.periodDueDate().minusDays(1), loanApplicationTerms,
+                    holidayDetailDTO);
+        }
+        updateMapWithAmount(scheduleParams.getPrincipalPortionMap(),
+                currentPeriodParams.getPrincipalForThisPeriod().minus(currentPeriodParams.getReducedBalance()), amountApplicableDate);
+
+        // update outstanding balance for interest calculation
+        updateOutstandingBalanceAsPerRest(scheduleParams, scheduledDueDate);
+    }
+
+    private LocalDate getNextRestScheduleDate(LocalDate startDate, LoanApplicationTerms loanApplicationTerms,
+            final HolidayDetailDTO holidayDetailDTO) {
+        LocalDate nextScheduleDate;
+        if (loanApplicationTerms.getRecalculationFrequencyType().isSameAsRepayment()) {
+            nextScheduleDate = getScheduledDateGenerator().generateNextScheduleDateStartingFromDisburseDateOrRescheduleDate(startDate,
+                    loanApplicationTerms, holidayDetailDTO);
+        } else {
+            CalendarInstance calendarInstance = loanApplicationTerms.getRestCalendarInstance();
+            nextScheduleDate = CalendarUtils.getNextScheduleDate(calendarInstance.getCalendar(), startDate);
+        }
+
+        return nextScheduleDate;
+    }
+
+    private void updateMapWithAmount(final Map<LocalDate, Money> map, final Money amount, final LocalDate amountApplicableDate) {
+        Money principalPaid = amount;
+        if (map.containsKey(amountApplicableDate)) {
+            principalPaid = map.get(amountApplicableDate).plus(principalPaid);
+        }
+        map.put(amountApplicableDate, principalPaid);
+
+    }
+
+    private void updateOutstandingBalanceAsPerRest(final LoanScheduleParams scheduleParams, final LocalDate scheduledDueDate) {
+        scheduleParams.setOutstandingBalanceAsPerRest(updateBalanceForInterestCalculation(scheduleParams.getPrincipalPortionMap(),
+                scheduledDueDate, scheduleParams.getOutstandingBalanceAsPerRest(), false));
+    }
+
+    /**
+     * Identifies all the past date principal changes and apply them on outstanding balance for future calculations
+     */
+    private Money updateBalanceForInterestCalculation(final Map<LocalDate, Money> principalPortionMap, final LocalDate scheduledDueDate,
+            final Money outstandingBalanceAsPerRest, boolean addMapDetails) {
+        List<LocalDate> removeFromPrincipalPortionMap = new ArrayList<>();
+        Money outstandingBalance = outstandingBalanceAsPerRest;
+        for (Map.Entry<LocalDate, Money> principal : principalPortionMap.entrySet()) {
+            if (!principal.getKey().isAfter(scheduledDueDate)) {
+                if (addMapDetails) {
+                    outstandingBalance = outstandingBalance.plus(principal.getValue());
+                } else {
+                    outstandingBalance = outstandingBalance.minus(principal.getValue());
+                }
+                removeFromPrincipalPortionMap.add(principal.getKey());
+            }
+        }
+        for (LocalDate date : removeFromPrincipalPortionMap) {
+            principalPortionMap.remove(date);
+        }
+        return outstandingBalance;
+    }
+
+    private void updatePeriodsWithCharges(final MonetaryCurrency currency, LoanScheduleParams scheduleParams,
+            final Collection<LoanScheduleModelPeriod> periods, final Set<LoanCharge> nonCompoundingCharges, MathContext mc) {
+        for (LoanScheduleModelPeriod loanScheduleModelPeriod : periods) {
+            if (loanScheduleModelPeriod.isRepaymentPeriod()) {
+                PrincipalInterest principalInterest = new PrincipalInterest(Money.of(currency, loanScheduleModelPeriod.principalDue()),
+                        Money.of(currency, loanScheduleModelPeriod.interestDue()), null);
+                Money feeChargesForInstallment = cumulativeFeeChargesDueWithin(loanScheduleModelPeriod.periodFromDate(),
+                        loanScheduleModelPeriod.periodDueDate(), nonCompoundingCharges, currency, principalInterest,
+                        scheduleParams.getPrincipalToBeScheduled(), scheduleParams.getTotalCumulativeInterest(),
+                        !loanScheduleModelPeriod.isRecalculatedInterestComponent(), scheduleParams.isFirstPeriod(), mc);
+                Money penaltyChargesForInstallment = cumulativePenaltyChargesDueWithin(loanScheduleModelPeriod.periodFromDate(),
+                        loanScheduleModelPeriod.periodDueDate(), nonCompoundingCharges, currency, principalInterest,
+                        scheduleParams.getPrincipalToBeScheduled(), scheduleParams.getTotalCumulativeInterest(),
+                        !loanScheduleModelPeriod.isRecalculatedInterestComponent(), scheduleParams.isFirstPeriod(), mc);
+                scheduleParams.addTotalFeeChargesCharged(feeChargesForInstallment);
+                scheduleParams.addTotalPenaltyChargesCharged(penaltyChargesForInstallment);
+                scheduleParams.addTotalRepaymentExpected(feeChargesForInstallment.plus(penaltyChargesForInstallment));
+                loanScheduleModelPeriod.addLoanCharges(feeChargesForInstallment.getAmount(), penaltyChargesForInstallment.getAmount());
+            }
+        }
+    }
+
+    private Set<LoanCharge> separateTotalCompoundingPercentageCharges(final Set<LoanCharge> loanCharges) {
+        Set<LoanCharge> interestCharges = new HashSet<>();
+        for (final LoanCharge loanCharge : loanCharges) {
+            if (loanCharge.isSpecifiedDueDate() && (loanCharge.getChargeCalculation().isPercentageOfInterest()
+                    || loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest())) {
+                interestCharges.add(loanCharge);
+            }
+        }
+        loanCharges.removeAll(interestCharges);
+        return interestCharges;
+    }
+
+    private BigDecimal getDisbursementAmount(final LoanApplicationTerms loanApplicationTerms, LocalDate disbursementDate,
+            final Map<LocalDate, Money> disburseDetails, final boolean excludePastUnDisbursed) {
+
+        // this method relates to multi-disbursement loans
+        BigDecimal principal = BigDecimal.ZERO;
+        if (loanApplicationTerms.getDisbursementDatas().size() == 0) {
+            // non tranche loans have no disbursement data entries in submitted and approved status
+            // the appropriate approved amount or applied for amount is used to show a proposed schedule
+            if (loanApplicationTerms.getApprovedPrincipal().getAmount().compareTo(BigDecimal.ZERO) > 0) {
+                principal = loanApplicationTerms.getApprovedPrincipal().getAmount();
+            } else {
+                principal = loanApplicationTerms.getPrincipal().getAmount();
+            }
+        } else {
+            MonetaryCurrency currency = loanApplicationTerms.getPrincipal().getCurrency();
+            for (DisbursementData disbursementData : loanApplicationTerms.getDisbursementDatas()) {
+                if (disbursementData.disbursementDate().equals(disbursementDate)) {
+                    principal = principal.add(disbursementData.getPrincipal());
+                } else if (!excludePastUnDisbursed || disbursementData.isDisbursed()
+                        || !disbursementData.disbursementDate().isBefore(DateUtils.getBusinessLocalDate())) {
+                    /*
+                     * JW: sums up amounts by disbursal date in case of side-effect issues. Original assumed that there
+                     * were no duplicate disbursal dates and 'put' each amount into the map keyed by date
+                     */
+                    Money previousSum = disburseDetails.get(disbursementData.disbursementDate());
+                    BigDecimal sumToNow = BigDecimal.ZERO;
+                    if (previousSum != null) {
+                        sumToNow = previousSum.getAmount();
+                    }
+                    sumToNow = sumToNow.add(disbursementData.getPrincipal());
+                    disburseDetails.put(disbursementData.disbursementDate(), Money.of(currency, sumToNow));
+                }
+            }
+        }
+        return principal;
+    }
+
+    private void updateOutstandingBalance(LoanScheduleParams scheduleParams, ScheduleCurrentPeriodParams currentPeriodParams) {
+        // update outstandingLoanBlance using current period
+        // 'principalDue'
+        scheduleParams
+                .reduceOutstandingBalance(currentPeriodParams.getPrincipalForThisPeriod().minus(currentPeriodParams.getReducedBalance()));
+    }
+}

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/CumulativeDecliningBalanceInterestLoanScheduleGenerator.java

@@ -26,10 +26,12 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.TreeMap;
+import lombok.RequiredArgsConstructor;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
 import org.apache.fineract.organisation.monetary.domain.Money;
 import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
 import org.apache.fineract.portfolio.loanproduct.domain.AmortizationMethod;
+import org.springframework.stereotype.Component;
 
 /**
  * <p>
@@ -54,11 +56,26 @@ import org.apache.fineract.portfolio.loanproduct.domain.AmortizationMethod;
  * minus <b>interest due</b>.
  * </p>
  */
-public class DecliningBalanceInterestLoanScheduleGenerator extends AbstractLoanScheduleGenerator {
+@Component
+@RequiredArgsConstructor
+public class CumulativeDecliningBalanceInterestLoanScheduleGenerator extends AbstractCumulativeLoanScheduleGenerator {
+
+    private final ScheduledDateGenerator scheduledDateGenerator;
+    private final PaymentPeriodsInOneYearCalculator paymentPeriodsInOneYearCalculator;
+
+    @Override
+    public ScheduledDateGenerator getScheduledDateGenerator() {
+        return scheduledDateGenerator;
+    }
+
+    @Override
+    public PaymentPeriodsInOneYearCalculator getPaymentPeriodsInOneYearCalculator() {
+        return paymentPeriodsInOneYearCalculator;
+    }
 
     @Override
     public PrincipalInterest calculatePrincipalInterestComponentsForPeriod(final PaymentPeriodsInOneYearCalculator calculator,
-            final double interestCalculationGraceOnRepaymentPeriodFraction, final Money totalCumulativePrincipal,
+            final BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, final Money totalCumulativePrincipal,
             @SuppressWarnings("unused") final Money totalCumulativeInterest,
             @SuppressWarnings("unused") final Money totalInterestDueForLoan, final Money cumulatingInterestPaymentDueToGrace,
             final Money outstandingBalance, final LoanApplicationTerms loanApplicationTerms, final int periodNumber, final MathContext mc,

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/CumulativeFlatInterestLoanScheduleGenerator.java

@@ -18,19 +18,37 @@
  */
 package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
+import java.math.BigDecimal;
 import java.math.MathContext;
 import java.time.LocalDate;
 import java.util.Collection;
 import java.util.Map;
 import java.util.TreeMap;
+import lombok.RequiredArgsConstructor;
 import org.apache.fineract.organisation.monetary.domain.Money;
 import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
+import org.springframework.stereotype.Component;
 
-public class FlatInterestLoanScheduleGenerator extends AbstractLoanScheduleGenerator {
+@Component
+@RequiredArgsConstructor
+public class CumulativeFlatInterestLoanScheduleGenerator extends AbstractCumulativeLoanScheduleGenerator {
+
+    private final ScheduledDateGenerator scheduledDateGenerator;
+    private final PaymentPeriodsInOneYearCalculator paymentPeriodsInOneYearCalculator;
+
+    @Override
+    public ScheduledDateGenerator getScheduledDateGenerator() {
+        return scheduledDateGenerator;
+    }
+
+    @Override
+    public PaymentPeriodsInOneYearCalculator getPaymentPeriodsInOneYearCalculator() {
+        return paymentPeriodsInOneYearCalculator;
+    }
 
     @Override
     public PrincipalInterest calculatePrincipalInterestComponentsForPeriod(final PaymentPeriodsInOneYearCalculator calculator,
-            final double interestCalculationGraceOnRepaymentPeriodFraction, final Money totalCumulativePrincipal,
+            final BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, final Money totalCumulativePrincipal,
             Money totalCumulativeInterest, Money totalInterestDueForLoan, final Money cumulatingInterestPaymentDueToGrace,
             final Money outstandingBalance, final LoanApplicationTerms loanApplicationTerms, final int periodNumber, final MathContext mc,
             @SuppressWarnings("unused") TreeMap<LocalDate, Money> principalVariation,

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/DefaultLoanScheduleGeneratorFactory.java

@@ -18,29 +18,36 @@
  */
 package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
+import lombok.RequiredArgsConstructor;
 import org.apache.fineract.portfolio.loanproduct.domain.InterestMethod;
 import org.springframework.stereotype.Component;
 
 @Component
+@RequiredArgsConstructor
 public class DefaultLoanScheduleGeneratorFactory implements LoanScheduleGeneratorFactory {
 
+    private final ProgressiveLoanScheduleGenerator progressiveLoanScheduleGenerator;
+    private final CumulativeFlatInterestLoanScheduleGenerator cumulativeFlatInterestLoanScheduleGenerator;
+    private final CumulativeDecliningBalanceInterestLoanScheduleGenerator cumulativeDecliningBalanceInterestLoanScheduleGenerator;
+
     @Override
-    public LoanScheduleGenerator create(final InterestMethod interestMethod) {
+    public LoanScheduleGenerator create(final LoanScheduleType loanScheduleType, final InterestMethod interestMethod) {
+        return switch (loanScheduleType) {
+            case CUMULATIVE -> cumulativeLoanScheduleGenerator(interestMethod);
+            case PROGRESSIVE -> progressiveLoanScheduleGenerator(interestMethod);
+        };
+    }
 
-        LoanScheduleGenerator loanScheduleGenerator = null;
+    private LoanScheduleGenerator cumulativeLoanScheduleGenerator(final InterestMethod interestMethod) {
+        return switch (interestMethod) {
+            case FLAT -> cumulativeFlatInterestLoanScheduleGenerator;
+            case DECLINING_BALANCE -> cumulativeDecliningBalanceInterestLoanScheduleGenerator;
+            case INVALID -> null;
+        };
+    }
 
-        switch (interestMethod) {
-            case FLAT:
-                loanScheduleGenerator = new FlatInterestLoanScheduleGenerator();
-            break;
-            case DECLINING_BALANCE:
-                loanScheduleGenerator = new DecliningBalanceInterestLoanScheduleGenerator();
-            break;
-            case INVALID:
-            break;
-        }
-
-        return loanScheduleGenerator;
+    private LoanScheduleGenerator progressiveLoanScheduleGenerator(final InterestMethod interestMethod) {
+        return progressiveLoanScheduleGenerator;
     }
 
 }

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/DefaultPaymentPeriodsInOneYearCalculator.java

@@ -18,90 +18,83 @@
  */
 package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
+import java.math.BigDecimal;
+import java.math.MathContext;
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.fineract.infrastructure.core.domain.LocalDateInterval;
 import org.apache.fineract.portfolio.common.domain.PeriodFrequencyType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
 
+@Component
+@Slf4j
 public class DefaultPaymentPeriodsInOneYearCalculator implements PaymentPeriodsInOneYearCalculator {
 
-    private static final Logger LOG = LoggerFactory.getLogger(DefaultPaymentPeriodsInOneYearCalculator.class);
-
     @Override
     public Integer calculate(final PeriodFrequencyType repaymentFrequencyType) {
 
-        Integer paymentPeriodsInOneYear = Integer.valueOf(0);
+        Integer paymentPeriodsInOneYear = 0;
         switch (repaymentFrequencyType) {
             case DAYS:
-                paymentPeriodsInOneYear = Integer.valueOf(365);
+                paymentPeriodsInOneYear = 365;
             break;
             case WEEKS:
-                paymentPeriodsInOneYear = Integer.valueOf(52);
+                paymentPeriodsInOneYear = 52;
             break;
             case MONTHS:
-                paymentPeriodsInOneYear = Integer.valueOf(12);
+                paymentPeriodsInOneYear = 12;
             break;
             case YEARS:
-                paymentPeriodsInOneYear = Integer.valueOf(1);
+                paymentPeriodsInOneYear = 1;
             break;
             case INVALID:
-                paymentPeriodsInOneYear = Integer.valueOf(0);
+                paymentPeriodsInOneYear = 0;
             break;
             case WHOLE_TERM:
-                LOG.error("TODO Implement repaymentFrequencyType for WHOLE_TERM");
+                log.error("TODO Implement repaymentFrequencyType for WHOLE_TERM");
             break;
         }
         return paymentPeriodsInOneYear;
     }
 
     @Override
-    public double calculatePortionOfRepaymentPeriodInterestChargingGrace(final LocalDate repaymentPeriodStartDate,
+    public BigDecimal calculatePortionOfRepaymentPeriodInterestChargingGrace(final LocalDate repaymentPeriodStartDate,
             final LocalDate scheduledDueDate, final LocalDate interestChargedFromLocalDate,
-            final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer repaidEvery) {
+            final PeriodFrequencyType repaymentPeriodFrequencyType, final int repaidEvery, MathContext mc) {
 
-        Double periodFraction = Double.valueOf("0.0");
+        BigDecimal periodFraction = BigDecimal.ZERO;
 
         final LocalDateInterval repaymentPeriod = new LocalDateInterval(repaymentPeriodStartDate, scheduledDueDate);
 
         if (interestChargedFromLocalDate != null && repaymentPeriod.fallsBefore(interestChargedFromLocalDate.plusDays(1))) {
-            periodFraction = Double.valueOf("1.0");
+            periodFraction = BigDecimal.ONE;
         } else if (interestChargedFromLocalDate != null && repaymentPeriod.contains(interestChargedFromLocalDate)) {
 
             final int numberOfDaysInterestCalculationGraceInPeriod = Math
                     .toIntExact(ChronoUnit.DAYS.between(repaymentPeriodStartDate, interestChargedFromLocalDate));
             periodFraction = calculateRepaymentPeriodFraction(repaymentPeriodFrequencyType, repaidEvery,
-                    numberOfDaysInterestCalculationGraceInPeriod);
+                    numberOfDaysInterestCalculationGraceInPeriod, mc);
         }
 
         return periodFraction;
     }
 
-    private double calculateRepaymentPeriodFraction(final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer every,
-            final Integer numberOfDaysInterestCalculationGrace) {
+    private BigDecimal calculateRepaymentPeriodFraction(final PeriodFrequencyType repaymentPeriodFrequencyType, final int repaidEvery,
+            final int numberOfDaysInterestCalculationGrace, final MathContext mc) {
 
-        Double fraction = Double.valueOf("0");
-        switch (repaymentPeriodFrequencyType) {
-            case DAYS:
-                fraction = numberOfDaysInterestCalculationGrace.doubleValue() * every.doubleValue();
-            break;
-            case WEEKS:
-                fraction = numberOfDaysInterestCalculationGrace.doubleValue() / (Double.parseDouble("7.0") * every.doubleValue());
-            break;
-            case MONTHS:
-                fraction = numberOfDaysInterestCalculationGrace.doubleValue() / (Double.parseDouble("30.0") * every.doubleValue());
-            break;
-            case YEARS:
-                fraction = numberOfDaysInterestCalculationGrace.doubleValue() / (Double.parseDouble("365.0") * every.doubleValue());
-            break;
-            case INVALID:
-                fraction = Double.valueOf("0");
-            break;
-            case WHOLE_TERM:
-                LOG.error("TODO Implement repaymentPeriodFrequencyType for WHOLE_TERM");
-            break;
-        }
-        return fraction;
+        BigDecimal repayEveryBD = BigDecimal.valueOf(repaidEvery);
+        BigDecimal noDaysInterestCalculationGrace = BigDecimal.valueOf(numberOfDaysInterestCalculationGrace);
+        return switch (repaymentPeriodFrequencyType) {
+            case DAYS -> noDaysInterestCalculationGrace.multiply(repayEveryBD, mc);
+            case WEEKS -> noDaysInterestCalculationGrace.divide(BigDecimal.valueOf(7), mc).multiply(repayEveryBD, mc);
+            case MONTHS -> noDaysInterestCalculationGrace.divide(BigDecimal.valueOf(30), mc).multiply(repayEveryBD, mc);
+            case YEARS -> noDaysInterestCalculationGrace.divide(BigDecimal.valueOf(365), mc).multiply(repayEveryBD, mc);
+            case WHOLE_TERM -> {
+                log.error("TODO Implement repaymentPeriodFrequencyType for WHOLE_TERM");
+                yield BigDecimal.ZERO;
+            }
+            default -> BigDecimal.ZERO;
+        };
     }
 }

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/DefaultScheduledDateGenerator.java

@@ -20,6 +20,7 @@ package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
 
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
+import lombok.extern.slf4j.Slf4j;
 import net.fortuna.ical4j.model.Recur;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
 import org.apache.fineract.organisation.holiday.domain.Holiday;
@@ -34,13 +35,12 @@ import org.apache.fineract.portfolio.calendar.service.CalendarUtils;
 import org.apache.fineract.portfolio.common.domain.PeriodFrequencyType;
 import org.apache.fineract.portfolio.loanaccount.data.HolidayDetailDTO;
 import org.apache.fineract.portfolio.loanproduct.domain.RepaymentStartDateType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
 
+@Component
+@Slf4j
 public class DefaultScheduledDateGenerator implements ScheduledDateGenerator {
 
-    private static final Logger LOG = LoggerFactory.getLogger(DefaultScheduledDateGenerator.class);
-
     @Override
     public LocalDate getLastRepaymentDate(final LoanApplicationTerms loanApplicationTerms, final HolidayDetailDTO holidayDetailDTO) {
 
@@ -240,7 +240,7 @@ public class DefaultScheduledDateGenerator implements ScheduledDateGenerator {
             case INVALID:
             break;
             case WHOLE_TERM:
-                LOG.error("TODO Implement getRepaymentPeriodDate for WHOLE_TERM");
+                log.error("TODO Implement getRepaymentPeriodDate for WHOLE_TERM");
             break;
         }
         return dueRepaymentPeriodDate;
@@ -282,7 +282,7 @@ public class DefaultScheduledDateGenerator implements ScheduledDateGenerator {
             case INVALID:
             break;
             case WHOLE_TERM:
-                LOG.error("TODO Implement isDateFallsInSchedule for WHOLE_TERM");
+                log.error("TODO Implement isDateFallsInSchedule for WHOLE_TERM");
             break;
         }
         return isScheduledDate;
@@ -319,7 +319,7 @@ public class DefaultScheduledDateGenerator implements ScheduledDateGenerator {
             case INVALID:
             break;
             case WHOLE_TERM:
-                LOG.error("TODO Implement repaymentPeriodFrequencyType for WHOLE_TERM");
+                log.error("TODO Implement repaymentPeriodFrequencyType for WHOLE_TERM");
             break;
         }
 

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanScheduleModelDisbursementPeriod.java

@@ -40,8 +40,7 @@ public final class LoanScheduleModelDisbursementPeriod implements LoanScheduleMo
     public static LoanScheduleModelDisbursementPeriod disbursement(final LoanApplicationTerms loanApplicationTerms,
             final BigDecimal chargesDueAtTimeOfDisbursement) {
 
-        final int periodNumber = 0;
-        return new LoanScheduleModelDisbursementPeriod(periodNumber, loanApplicationTerms.getExpectedDisbursementDate(),
+        return new LoanScheduleModelDisbursementPeriod(null, loanApplicationTerms.getExpectedDisbursementDate(),
                 loanApplicationTerms.getPrincipal(), chargesDueAtTimeOfDisbursement);
     }
 

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/LoanTermVariationParams.java

@@ -0,0 +1,9 @@
+package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
+
+import java.time.LocalDate;
+import java.util.List;
+import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
+
+public record LoanTermVariationParams(boolean skipPeriod, boolean recalculateAmounts, LocalDate scheduledDueDate,
+        List<LoanTermVariationsData> variationsData) {
+}

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/ProgressiveLoanScheduleGenerator.java

@@ -0,0 +1,67 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.time.LocalDate;
+import java.util.Collection;
+import java.util.Map;
+import java.util.TreeMap;
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.organisation.monetary.domain.Money;
+import org.apache.fineract.portfolio.loanaccount.data.LoanTermVariationsData;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class ProgressiveLoanScheduleGenerator extends AbstractProgressiveLoanScheduleGenerator {
+
+    private final ScheduledDateGenerator scheduledDateGenerator;
+    private final PaymentPeriodsInOneYearCalculator paymentPeriodsInOneYearCalculator;
+
+    @Override
+    public ScheduledDateGenerator getScheduledDateGenerator() {
+        return scheduledDateGenerator;
+    }
+
+    @Override
+    public PaymentPeriodsInOneYearCalculator getPaymentPeriodsInOneYearCalculator() {
+        return paymentPeriodsInOneYearCalculator;
+    }
+
+    @Override
+    public PrincipalInterest calculatePrincipalInterestComponentsForPeriod(PaymentPeriodsInOneYearCalculator calculator,
+            BigDecimal interestCalculationGraceOnRepaymentPeriodFraction, Money totalCumulativePrincipal, Money totalCumulativeInterest,
+            Money totalInterestDueForLoan, Money cumulatingInterestPaymentDueToGrace, Money outstandingBalance,
+            LoanApplicationTerms loanApplicationTerms, int periodNumber, MathContext mc, TreeMap<LocalDate, Money> principalVariation,
+            Map<LocalDate, Money> compoundingMap, LocalDate periodStartDate, LocalDate periodEndDate,
+            Collection<LoanTermVariationsData> termVariations) {
+        // TODO: handle interest calculation
+        Money principalForThisInstallment = loanApplicationTerms.calculateTotalPrincipalForPeriod(calculator, outstandingBalance,
+                periodNumber, mc, Money.zero(loanApplicationTerms.getCurrency()));
+        final Money totalCumulativePrincipalToDate = totalCumulativePrincipal.plus(principalForThisInstallment);
+        // adjust if needed
+        principalForThisInstallment = loanApplicationTerms.adjustPrincipalIfLastRepaymentPeriod(principalForThisInstallment,
+                totalCumulativePrincipalToDate, periodNumber);
+
+        return new PrincipalInterest(principalForThisInstallment, Money.zero(loanApplicationTerms.getCurrency()),
+                Money.zero(loanApplicationTerms.getCurrency()));
+    }
+}

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/ScheduleCurrentPeriodParams.java

@@ -0,0 +1,142 @@
+package org.apache.fineract.portfolio.loanaccount.loanschedule.domain;
+
+import java.math.BigDecimal;
+import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
+import org.apache.fineract.organisation.monetary.domain.Money;
+
+public class ScheduleCurrentPeriodParams {
+
+    Money earlyPaidAmount;
+    LoanScheduleModelPeriod lastInstallment;
+    boolean skipCurrentLoop;
+    Money interestForThisPeriod;
+    Money principalForThisPeriod;
+    Money feeChargesForInstallment;
+    Money penaltyChargesForInstallment;
+    // for adjusting outstandingBalances
+    Money reducedBalance;
+    boolean isEmiAmountChanged;
+    BigDecimal interestCalculationGraceOnRepaymentPeriodFraction;
+
+    ScheduleCurrentPeriodParams(final MonetaryCurrency currency) {
+        this(currency, BigDecimal.ZERO);
+    }
+
+    ScheduleCurrentPeriodParams(final MonetaryCurrency currency, BigDecimal interestCalculationGraceOnRepaymentPeriodFraction) {
+        this.earlyPaidAmount = Money.zero(currency);
+        this.lastInstallment = null;
+        this.skipCurrentLoop = false;
+        this.interestForThisPeriod = Money.zero(currency);
+        this.principalForThisPeriod = Money.zero(currency);
+        this.reducedBalance = Money.zero(currency);
+        this.feeChargesForInstallment = Money.zero(currency);
+        this.penaltyChargesForInstallment = Money.zero(currency);
+        this.isEmiAmountChanged = false;
+        this.interestCalculationGraceOnRepaymentPeriodFraction = interestCalculationGraceOnRepaymentPeriodFraction;
+    }
+
+    public Money getEarlyPaidAmount() {
+        return this.earlyPaidAmount;
+    }
+
+    public void plusEarlyPaidAmount(Money earlyPaidAmount) {
+        this.earlyPaidAmount = this.earlyPaidAmount.plus(earlyPaidAmount);
+    }
+
+    public void minusEarlyPaidAmount(Money earlyPaidAmount) {
+        this.earlyPaidAmount = this.earlyPaidAmount.minus(earlyPaidAmount);
+    }
+
+    public LoanScheduleModelPeriod getLastInstallment() {
+        return this.lastInstallment;
+    }
+
+    public void setLastInstallment(LoanScheduleModelPeriod lastInstallment) {
+        this.lastInstallment = lastInstallment;
+    }
+
+    public boolean isSkipCurrentLoop() {
+        return this.skipCurrentLoop;
+    }
+
+    public void setSkipCurrentLoop(boolean skipCurrentLoop) {
+        this.skipCurrentLoop = skipCurrentLoop;
+    }
+
+    public Money getInterestForThisPeriod() {
+        return this.interestForThisPeriod;
+    }
+
+    public void setInterestForThisPeriod(Money interestForThisPeriod) {
+        this.interestForThisPeriod = interestForThisPeriod;
+    }
+
+    public void minusInterestForThisPeriod(Money interestForThisPeriod) {
+        this.interestForThisPeriod = this.interestForThisPeriod.minus(interestForThisPeriod);
+    }
+
+    public Money getPrincipalForThisPeriod() {
+        return this.principalForThisPeriod;
+    }
+
+    public void setPrincipalForThisPeriod(Money principalForThisPeriod) {
+        this.principalForThisPeriod = principalForThisPeriod;
+    }
+
+    public void plusPrincipalForThisPeriod(Money principalForThisPeriod) {
+        this.principalForThisPeriod = this.principalForThisPeriod.plus(principalForThisPeriod);
+    }
+
+    public void minusPrincipalForThisPeriod(Money principalForThisPeriod) {
+        this.principalForThisPeriod = this.principalForThisPeriod.minus(principalForThisPeriod);
+    }
+
+    public Money getReducedBalance() {
+        return this.reducedBalance;
+    }
+
+    public void setReducedBalance(Money reducedBalance) {
+        this.reducedBalance = reducedBalance;
+    }
+
+    public Money getFeeChargesForInstallment() {
+        return this.feeChargesForInstallment;
+    }
+
+    public void setFeeChargesForInstallment(Money feeChargesForInstallment) {
+        this.feeChargesForInstallment = feeChargesForInstallment;
+    }
+
+    public void minusFeeChargesForInstallment(Money feeChargesForInstallment) {
+        this.feeChargesForInstallment = this.feeChargesForInstallment.minus(feeChargesForInstallment);
+    }
+
+    public Money getPenaltyChargesForInstallment() {
+        return this.penaltyChargesForInstallment;
+    }
+
+    public void setPenaltyChargesForInstallment(Money penaltyChargesForInstallment) {
+        this.penaltyChargesForInstallment = penaltyChargesForInstallment;
+    }
+
+    public void minusPenaltyChargesForInstallment(Money penaltyChargesForInstallment) {
+        this.penaltyChargesForInstallment = this.penaltyChargesForInstallment.minus(penaltyChargesForInstallment);
+    }
+
+    public Money fetchTotalAmountForPeriod() {
+        return this.principalForThisPeriod.plus(interestForThisPeriod).plus(feeChargesForInstallment).plus(penaltyChargesForInstallment);
+    }
+
+    public boolean isEmiAmountChanged() {
+        return this.isEmiAmountChanged;
+    }
+
+    public void setEmiAmountChanged(boolean isEmiAmountChanged) {
+        this.isEmiAmountChanged = isEmiAmountChanged;
+    }
+
+    public BigDecimal getInterestCalculationGraceOnRepaymentPeriodFraction() {
+        return this.interestCalculationGraceOnRepaymentPeriodFraction;
+    }
+
+}

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/service/LoanScheduleAssembler.java

@@ -98,6 +98,7 @@ import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanApplica
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleGenerator;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleGeneratorFactory;
 import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleModel;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 import org.apache.fineract.portfolio.loanaccount.serialization.VariableLoanScheduleFromApiJsonValidator;
 import org.apache.fineract.portfolio.loanaccount.service.LoanChargeAssembler;
 import org.apache.fineract.portfolio.loanaccount.service.LoanUtilService;
@@ -471,6 +472,7 @@ public class LoanScheduleAssembler {
                     .isDisableScheduleExtensionForDownPayment();
 
         }
+        LoanScheduleType loanScheduleType = loanProduct.getLoanProductRelatedDetail().getLoanScheduleType();
         return LoanApplicationTerms.assembleFrom(applicationCurrency, loanTermFrequency, loanTermPeriodFrequencyType, numberOfRepayments,
                 repaymentEvery, repaymentPeriodFrequencyType, nthDay, weekDayType, amortizationMethod, interestMethod,
                 interestRatePerPeriod, interestRatePeriodFrequencyType, annualNominalInterestRate, interestCalculationPeriodMethod,
@@ -485,7 +487,7 @@ public class LoanScheduleAssembler {
                 allowCompoundingOnEod, isEqualAmortization, isInterestToBeRecoveredFirstWhenGreaterThanEMI,
                 fixedPrincipalPercentagePerInstallment, isPrincipalCompoundingDisabledForOverdueLoans, isDownPaymentEnabled,
                 disbursedAmountPercentageForDownPayment, isAutoRepaymentForDownPaymentEnabled, repaymentStartDateType, submittedOnDate,
-                isScheduleExtensionForDownPaymentDisabled);
+                isScheduleExtensionForDownPaymentDisabled, loanScheduleType);
     }
 
     private CalendarInstance createCalendarForSameAsRepayment(final Integer repaymentEvery,
@@ -666,20 +668,22 @@ public class LoanScheduleAssembler {
         final MathContext mc = new MathContext(8, roundingMode);
         HolidayDetailDTO detailDTO = new HolidayDetailDTO(isHolidayEnabled, holidays, workingDays);
 
-        LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+        LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                loanApplicationTerms.getInterestMethod());
         if (loanApplicationTerms.isEqualAmortization()) {
             if (loanApplicationTerms.getInterestMethod().isDecliningBalance()) {
                 final LoanScheduleGenerator decliningLoanScheduleGenerator = this.loanScheduleFactory
-                        .create(InterestMethod.DECLINING_BALANCE);
+                        .create(loanApplicationTerms.getLoanScheduleType(), InterestMethod.DECLINING_BALANCE);
                 LoanScheduleModel loanSchedule = decliningLoanScheduleGenerator.generate(mc, loanApplicationTerms, loanCharges, detailDTO);
 
                 loanApplicationTerms
                         .updateTotalInterestDue(Money.of(loanApplicationTerms.getCurrency(), loanSchedule.getTotalInterestCharged()));
 
             }
-            loanScheduleGenerator = this.loanScheduleFactory.create(InterestMethod.FLAT);
+            loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(), InterestMethod.FLAT);
         } else {
-            loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+            loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                    loanApplicationTerms.getInterestMethod());
         }
 
         return loanScheduleGenerator.generate(mc, loanApplicationTerms, loanCharges, detailDTO);
@@ -696,7 +700,8 @@ public class LoanScheduleAssembler {
                 loanApplicationTerms.getExpectedDisbursementDate(), HolidayStatusType.ACTIVE.getValue());
         final WorkingDays workingDays = this.workingDaysRepository.findOne();
 
-        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                loanApplicationTerms.getInterestMethod());
         HolidayDetailDTO detailDTO = new HolidayDetailDTO(isHolidayEnabled, holidays, workingDays);
         return loanScheduleGenerator.rescheduleNextInstallments(mc, loanApplicationTerms, loan, detailDTO,
                 loanRepaymentScheduleTransactionProcessor, rescheduleFrom).getLoanScheduleModel();
@@ -705,7 +710,8 @@ public class LoanScheduleAssembler {
     public LoanRepaymentScheduleInstallment calculatePrepaymentAmount(MonetaryCurrency currency, LocalDate onDate,
             LoanApplicationTerms loanApplicationTerms, Loan loan, final Long officeId,
             final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor) {
-        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                loanApplicationTerms.getInterestMethod());
         final RoundingMode roundingMode = MoneyHelper.getRoundingMode();
         final MathContext mc = new MathContext(8, roundingMode);
 

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/service/LoanReschedulePreviewPlatformServiceImpl.java

@@ -131,7 +131,8 @@ public class LoanReschedulePreviewPlatformServiceImpl implements LoanRescheduleP
         final MathContext mathContext = new MathContext(8, roundingMode);
         final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.loanRepaymentScheduleTransactionProcessorFactory
                 .determineProcessor(loan.transactionProcessingStrategy());
-        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+        final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                loanApplicationTerms.getInterestMethod());
         loan.setHelpers(null, this.loanSummaryWrapper, this.loanRepaymentScheduleTransactionProcessorFactory);
         final LoanScheduleDTO loanSchedule = loanScheduleGenerator.rescheduleNextInstallments(mathContext, loanApplicationTerms, loan,
                 loanApplicationTerms.getHolidayDetailDTO(), loanRepaymentScheduleTransactionProcessor, rescheduleFromDate);

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/rescheduleloan/service/LoanRescheduleRequestWritePlatformServiceImpl.java

@@ -436,7 +436,8 @@ public class LoanRescheduleRequestWritePlatformServiceImpl implements LoanResche
             final MathContext mathContext = new MathContext(8, roundingMode);
             final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.loanRepaymentScheduleTransactionProcessorFactory
                     .determineProcessor(loan.transactionProcessingStrategy());
-            final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getInterestMethod());
+            final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(loanApplicationTerms.getLoanScheduleType(),
+                    loanApplicationTerms.getInterestMethod());
             final LoanLifecycleStateMachine loanLifecycleStateMachine = null;
             loan.setHelpers(loanLifecycleStateMachine, this.loanSummaryWrapper, this.loanRepaymentScheduleTransactionProcessorFactory);
             final LoanScheduleDTO loanSchedule = loanScheduleGenerator.rescheduleNextInstallments(mathContext, loanApplicationTerms, loan,

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/starter/LoanAccountAutoStarter.java

@@ -31,6 +31,7 @@ import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.imp
 import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl.InterestPrincipalPenaltyFeesOrderLoanRepaymentScheduleTransactionProcessor;
 import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl.PrincipalInterestPenaltyFeesOrderLoanRepaymentScheduleTransactionProcessor;
 import org.apache.fineract.portfolio.loanaccount.domain.transactionprocessor.impl.RBILoanRepaymentScheduleTransactionProcessor;
+import org.apache.fineract.portfolio.loanaccount.service.LoanUtilService;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Conditional;
@@ -103,8 +104,8 @@ public class LoanAccountAutoStarter {
 
     @Bean
     @Conditional(AdvancedPaymentScheduleTransactionProcessorCondition.class)
-    public AdvancedPaymentScheduleTransactionProcessor advancedPaymentScheduleTransactionProcessor() {
-        return new AdvancedPaymentScheduleTransactionProcessor();
+    public AdvancedPaymentScheduleTransactionProcessor advancedPaymentScheduleTransactionProcessor(LoanUtilService loanUtilService) {
+        return new AdvancedPaymentScheduleTransactionProcessor(loanUtilService);
     }
 
 }

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanproduct/serialization/LoanProductDataValidator.java

@@ -46,6 +46,7 @@ import org.apache.fineract.portfolio.calendar.service.CalendarUtils;
 import org.apache.fineract.portfolio.common.domain.PeriodFrequencyType;
 import org.apache.fineract.portfolio.loanaccount.api.LoanApiConstants;
 import org.apache.fineract.portfolio.loanaccount.domain.LoanRepaymentScheduleTransactionProcessorFactory;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 import org.apache.fineract.portfolio.loanproduct.LoanProductConstants;
 import org.apache.fineract.portfolio.loanproduct.domain.AmortizationMethod;
 import org.apache.fineract.portfolio.loanproduct.domain.InterestCalculationPeriodMethod;
@@ -163,7 +164,8 @@ public final class LoanProductDataValidator {
             LoanProductConstants.DUE_DAYS_FOR_REPAYMENT_EVENT, LoanProductConstants.OVER_DUE_DAYS_FOR_REPAYMENT_EVENT,
             LoanProductConstants.ENABLE_DOWN_PAYMENT, LoanProductConstants.DISBURSED_AMOUNT_PERCENTAGE_DOWN_PAYMENT,
             LoanProductConstants.ENABLE_AUTO_REPAYMENT_DOWN_PAYMENT, LoanProductConstants.REPAYMENT_START_DATE_TYPE,
-            LoanProductConstants.DISABLE_SCHEDULE_EXTENSION_FOR_DOWN_PAYMENT, LoanProductConstants.ENABLE_INSTALLMENT_LEVEL_DELINQUENCY));
+            LoanProductConstants.DISABLE_SCHEDULE_EXTENSION_FOR_DOWN_PAYMENT, LoanProductConstants.ENABLE_INSTALLMENT_LEVEL_DELINQUENCY,
+            LoanProductConstants.LOAN_SCHEDULE_TYPE));
 
     private static final String[] SUPPORTED_LOAN_CONFIGURABLE_ATTRIBUTES = { LoanProductConstants.amortizationTypeParamName,
             LoanProductConstants.interestTypeParamName, LoanProductConstants.transactionProcessingStrategyCodeParamName,
@@ -771,6 +773,10 @@ public final class LoanProductDataValidator {
                     .value(enableInstallmentLevelDelinquency).ignoreIfNull().validateForBooleanValue();
         }
 
+        final String loanScheduleType = this.fromApiJsonHelper.extractStringNamed(LoanProductConstants.LOAN_SCHEDULE_TYPE, element);
+        baseDataValidator.reset().parameter(LoanProductConstants.LOAN_SCHEDULE_TYPE).value(loanScheduleType).ignoreIfNull()
+                .isOneOfEnumValues(LoanScheduleType.class);
+
         throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
 

integration-tests/src/test/java/org/apache/fineract/integrationtests/common/loans/LoanProductTestBuilder.java

@@ -28,6 +28,7 @@ import java.util.Map;
 import org.apache.fineract.client.models.AdvancedPaymentData;
 import org.apache.fineract.integrationtests.common.Utils;
 import org.apache.fineract.integrationtests.common.accounting.Account;
+import org.apache.fineract.portfolio.loanaccount.loanschedule.domain.LoanScheduleType;
 
 public class LoanProductTestBuilder {
 
@@ -151,6 +152,7 @@ public class LoanProductTestBuilder {
     private boolean enableAutoRepaymentForDownPayment = false;
     private Integer repaymentStartDateType = null;
     private boolean disableScheduleExtensionForDownPayment = false;
+    private LoanScheduleType loanScheduleType = LoanScheduleType.CUMULATIVE;
 
     public String build() {
         final HashMap<String, Object> map = build(null, null);
@@ -307,6 +309,7 @@ public class LoanProductTestBuilder {
         if (disableScheduleExtensionForDownPayment) {
             map.put("disableScheduleExtensionForDownPayment", disableScheduleExtensionForDownPayment);
         }
+        map.put("loanScheduleType", loanScheduleType);
 
         return map;
     }
@@ -747,4 +750,8 @@ public class LoanProductTestBuilder {
         return this;
     }
 
+    public LoanProductTestBuilder withLoanScheduleType(LoanScheduleType loanScheduleType) {
+        this.loanScheduleType = loanScheduleType;
+        return this;
+    }
 }