From 0d8d6671a1cab945df3cfe72474f86dd81ed2a32 Mon Sep 17 00:00:00 2001
From: "mark.vituska" <vitu966@gmail.com>
Date: Wed, 28 May 2025 15:57:21 +0200
Subject: [PATCH] FINERACT-2304: Add versioning to LoanTransaction entity

---
 .../loanaccount/domain/LoanTransaction.java   |  4 +++
 .../db/changelog/tenant/changelog-tenant.xml  |  1 +
 ..._add_version_field_to_loan_transaction.xml | 32 +++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 fineract-provider/src/main/resources/db/changelog/tenant/parts/0180_add_version_field_to_loan_transaction.xml

diff --git a/fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanTransaction.java b/fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanTransaction.java
index 28a7e86a2..2031438ac 100644
--- a/fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanTransaction.java
+++ b/fineract-loan/src/main/java/org/apache/fineract/portfolio/loanaccount/domain/LoanTransaction.java
@@ -28,6 +28,7 @@ import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 import jakarta.persistence.UniqueConstraint;
+import jakarta.persistence.Version;
 import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.util.ArrayList;
@@ -58,6 +59,9 @@ import org.apache.fineract.portfolio.paymentdetail.domain.PaymentDetail;
 @Table(name = "m_loan_transaction", uniqueConstraints = { @UniqueConstraint(columnNames = { "external_id" }, name = "external_id_UNIQUE") })
 public class LoanTransaction extends AbstractAuditableWithUTCDateTimeCustom<Long> {
 
+    @Version
+    private Long version;
+
     @ManyToOne(optional = false)
     @JoinColumn(name = "loan_id", nullable = false)
     private Loan loan;
diff --git a/fineract-provider/src/main/resources/db/changelog/tenant/changelog-tenant.xml b/fineract-provider/src/main/resources/db/changelog/tenant/changelog-tenant.xml
index ce67fcb5d..be91d29c0 100644
--- a/fineract-provider/src/main/resources/db/changelog/tenant/changelog-tenant.xml
+++ b/fineract-provider/src/main/resources/db/changelog/tenant/changelog-tenant.xml
@@ -198,4 +198,5 @@
     <include file="parts/0177_acc_journal_entry_index.xml" relativeToChangelogFile="true" />
     <include file="parts/0178_add_principal_from_capitalized_income_to_loan_summary.xml" relativeToChangelogFile="true" />
     <include file="parts/0179_add_capitalized_income_adjustment_transaction.xml" relativeToChangelogFile="true" />
+    <include file="parts/0180_add_version_field_to_loan_transaction.xml" relativeToChangelogFile="true" />
 </databaseChangeLog>
diff --git a/fineract-provider/src/main/resources/db/changelog/tenant/parts/0180_add_version_field_to_loan_transaction.xml b/fineract-provider/src/main/resources/db/changelog/tenant/parts/0180_add_version_field_to_loan_transaction.xml
new file mode 100644
index 000000000..ca6d81104
--- /dev/null
+++ b/fineract-provider/src/main/resources/db/changelog/tenant/parts/0180_add_version_field_to_loan_transaction.xml
@@ -0,0 +1,32 @@
+<?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-4.3.xsd">
+    <changeSet author="fineract" id="1">
+        <addColumn tableName="m_loan_transaction">
+            <column name="version" type="BIGINT" defaultValue="1">
+                <constraints nullable="false"/>
+            </column>
+        </addColumn>
+    </changeSet>
+</databaseChangeLog>