How to use

org.eclipse.persistence.internal.descriptors.changetracking.AggregateAttributeChangeListener

constructor

/**
 * INTERNAL:
 * Assign ChangeListener to an aggregate object
 */
public void setAggregateChangeListener(Object parent, Object aggregate, UnitOfWorkImpl uow, ClassDescriptor descriptor, String mappingAttribute){
  ((ChangeTracker)aggregate)._persistence_setPropertyChangeListener(new AggregateAttributeChangeListener(descriptor, uow, (AttributeChangeListener)((ChangeTracker)parent)._persistence_getPropertyChangeListener(), mappingAttribute, aggregate)); 
}

/**
 * INTERNAL:
 * Assign ChangeListener to an aggregate object
 */
public void setAggregateChangeListener(Object parent, Object aggregate, UnitOfWorkImpl uow, ClassDescriptor descriptor, String mappingAttribute){
  ((ChangeTracker)aggregate)._persistence_setPropertyChangeListener(new AggregateAttributeChangeListener(descriptor, uow, (AttributeChangeListener)((ChangeTracker)parent)._persistence_getPropertyChangeListener(), mappingAttribute, aggregate));
  // set change trackers for nested aggregates
  Iterator<DatabaseMapping> i = descriptor.getMappings().iterator();
  while (i.hasNext()){
    DatabaseMapping mapping = i.next();
    if (mapping.isAggregateObjectMapping()){
      AggregateObjectMapping aggregateMapping = (AggregateObjectMapping)mapping;
      Object nestedAggregate = aggregateMapping.getAttributeValueFromObject(aggregate);
      if (nestedAggregate != null && nestedAggregate instanceof ChangeTracker){
        descriptor.getObjectChangePolicy().setAggregateChangeListener(aggregate, nestedAggregate, uow, aggregateMapping.getReferenceDescriptor(), aggregateMapping.getAttributeName());
      }
    }
  }
}

/**
 * INTERNAL:
 * Assign ChangeListener to an aggregate object
 */
public void setAggregateChangeListener(Object parent, Object aggregate, UnitOfWorkImpl uow, ClassDescriptor descriptor, String mappingAttribute){
  ((ChangeTracker)aggregate)._persistence_setPropertyChangeListener(new AggregateAttributeChangeListener(descriptor, uow, (AttributeChangeListener)((ChangeTracker)parent)._persistence_getPropertyChangeListener(), mappingAttribute, aggregate)); 
  
  // set change trackers for nested aggregates
  Iterator<DatabaseMapping> i = descriptor.getMappings().iterator();
  while (i.hasNext()){
    DatabaseMapping mapping = i.next();
    if (mapping.isAggregateObjectMapping()){
      AggregateObjectMapping aggregateMapping = (AggregateObjectMapping)mapping;
      Object nestedAggregate = aggregateMapping.getAttributeValueFromObject(aggregate);
      if (nestedAggregate != null && nestedAggregate instanceof ChangeTracker){
        descriptor.getObjectChangePolicy().setAggregateChangeListener(aggregate, nestedAggregate, uow, aggregateMapping.getReferenceDescriptor(), aggregateMapping.getAttributeName());
      }
    }
  }
}

newListener = new AggregateAttributeChangeListener(referenceDescriptor, uow, ((AttributeChangeListener)((ChangeTracker)sourceClone)._persistence_getPropertyChangeListener()), this.getAttributeName(), newValue);
((ChangeTracker)newValue)._persistence_setPropertyChangeListener(newListener);

newListener = new AggregateAttributeChangeListener(referenceDescriptor, uow, ((AttributeChangeListener)((ChangeTracker)sourceClone)._persistence_getPropertyChangeListener()), this.getAttributeName(), newValue);
((ChangeTracker)newValue)._persistence_setPropertyChangeListener(newListener);

newListener = new AggregateAttributeChangeListener(referenceDescriptor, uow, ((AttributeChangeListener)((ChangeTracker)sourceClone)._persistence_getPropertyChangeListener()), this.getAttributeName(), newValue);
((ChangeTracker)newValue)._persistence_setPropertyChangeListener(newListener);