FINERACT-2232: add income capitalization principal handling and repayment schedule calculations on loans - E2E tests

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/persistence/FlushModeHandler.java

@@ -0,0 +1,41 @@
+/**
+ * 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.infrastructure.core.persistence;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.FlushModeType;
+import jakarta.persistence.PersistenceContext;
+import org.springframework.stereotype.Component;
+
+@Component
+public class FlushModeHandler {
+
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    public void withFlushMode(FlushModeType flushMode, Runnable runnable) {
+        FlushModeType original = entityManager.getFlushMode();
+        try {
+            entityManager.setFlushMode(flushMode);
+            runnable.run();
+        } finally {
+            entityManager.setFlushMode(original);
+        }
+    }
+}