Updated all ImExporters of ccm-core to implment new interface

ccm-core/src/main/java/org/libreccm/workflow/TaskAssignmentImExporter.java

@@ -19,11 +19,10 @@
 package org.libreccm.workflow;
 
 import org.libreccm.imexport.AbstractEntityImExporter;
-import org.libreccm.imexport.Exportable;
 import org.libreccm.imexport.Processes;
 
-import java.util.HashSet;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 
 import javax.annotation.PostConstruct;
@@ -31,7 +30,6 @@ import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 import javax.persistence.EntityManager;
 import javax.persistence.NoResultException;
-import javax.transaction.Transactional;
 
 /**
  * Exporter/Importer for {@link TaskAssignment}s.
@@ -47,6 +45,9 @@ public class TaskAssignmentImExporter
     @Inject
     private EntityManager entityManager;
     
+    @Inject
+    private TaskAssignmentRepository assignmentRepo;
+
     @PostConstruct
     @Override
     protected void init() {
@@ -63,12 +64,24 @@ public class TaskAssignmentImExporter
     }
     
     @Override
-    @Transactional(Transactional.TxType.REQUIRED)
+    protected Optional<TaskAssignment> findExistingEntity(final String uuid) {
+        return assignmentRepo.findByUuid(uuid);
+    }
+
+    @Override
     protected void saveImportedEntity(final TaskAssignment entity) {
         entityManager.persist(entity);
 
     }
     
+    @Override
+    protected void updateExistingEntity(
+        final TaskAssignment exitingEntity,
+        final TaskAssignment importedEntity
+    ) {
+        // Task Assignment are not updated
+    }
+
     @Override
     protected TaskAssignment reloadEntity(final TaskAssignment entity) {
         try {

ccm-core/src/main/java/org/libreccm/workflow/TaskCommentImExporter.java

@@ -19,17 +19,14 @@
 package org.libreccm.workflow;
 
 import org.libreccm.imexport.AbstractEntityImExporter;
-import org.libreccm.imexport.Exportable;
 import org.libreccm.imexport.Processes;
 
-import java.util.Collections;
 import java.util.Objects;
-import java.util.Set;
+import java.util.Optional;
 
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
-import javax.transaction.Transactional;
 
 /**
  * Importer/Exporter for {@link TaskComment}s.
@@ -56,11 +53,38 @@ public class TaskCommentImExporter extends AbstractEntityImExporter<TaskComment>
     }
     
     @Override
-    @Transactional(Transactional.TxType.REQUIRED)
+    protected Optional<TaskComment> findExistingEntity(final String uuid) {
+        return taskCommentRepository.findByUuid(uuid);
+    }
+    
+
+    @Override
     protected void saveImportedEntity(TaskComment entity) {
         taskCommentRepository.save(entity);
     }
     
+    @Override
+    protected void updateExistingEntity(
+        final TaskComment existingEntity,
+        final TaskComment importedEntity
+    ) {
+        if (!Objects.equals(
+            existingEntity.getComment(),
+            importedEntity.getComment()
+        )) {
+            existingEntity.setComment(importedEntity.getComment());
+        }
+        
+        if (!Objects.equals(
+            existingEntity.getAuthor(),
+            importedEntity.getAuthor()
+        )) {
+            existingEntity.setAuthor(importedEntity.getAuthor());
+        }
+        
+        taskCommentRepository.save(existingEntity);
+    }
+
     @Override
     protected TaskComment reloadEntity(final TaskComment entity) {
         return taskCommentRepository

ccm-core/src/main/java/org/libreccm/workflow/TaskDependencyImExporter.java

@@ -19,11 +19,10 @@
 package org.libreccm.workflow;
 
 import org.libreccm.imexport.AbstractEntityImExporter;
-import org.libreccm.imexport.Exportable;
 import org.libreccm.imexport.Processes;
 
-import java.util.HashSet;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 
 import javax.annotation.PostConstruct;
@@ -47,6 +46,9 @@ public class TaskDependencyImExporter
     @Inject
     private EntityManager entityManager;
     
+    @Inject
+    private TaskDependencyRepository taskDependencyRepo;
+
     @PostConstruct
     @Override
     protected void init() {
@@ -63,11 +65,23 @@ public class TaskDependencyImExporter
     }
     
     @Override
-    @Transactional(Transactional.TxType.REQUIRED)
+    protected Optional<TaskDependency> findExistingEntity(final String uuid) {
+        return taskDependencyRepo.findByUuid(uuid);
+    }
+
+    @Override
     protected void saveImportedEntity(final TaskDependency entity) {
         entityManager.merge(entity);
     }
 
+    @Override
+    protected void updateExistingEntity(
+        final TaskDependency existingEntity,
+        final TaskDependency importedEntity
+    ) {
+        // Task Dependencies are not updated.
+    }
+    
     @Override
     protected TaskDependency reloadEntity(final TaskDependency entity) {
         try {