How to use

isRelationshipMaintenanceRequired

method

in

org.eclipse.persistence.indirection.IndirectList

protected void raiseRemoveChangeEvent(Object element, Integer index, boolean isSet) {
  if (hasTrackedPropertyChangeListener()) {
    _persistence_getPropertyChangeListener().propertyChange(new CollectionChangeEvent(this, getTrackedAttributeName(), this, element, CollectionChangeEvent.REMOVE, index, isSet, true));
  }
  if (isRelationshipMaintenanceRequired()) {
    ((UnitOfWorkQueryValueHolder)getValueHolder()).updateForeignReferenceRemove(element);
  }
}

protected void raiseAddChangeEvent(Object element, Integer index, boolean isSet) {
  if (hasTrackedPropertyChangeListener()) {
    _persistence_getPropertyChangeListener().propertyChange(new CollectionChangeEvent(this, getTrackedAttributeName(), this, element, CollectionChangeEvent.ADD, index, isSet, true));
  }
  if (isRelationshipMaintenanceRequired()) {
    ((UnitOfWorkQueryValueHolder)getValueHolder()).updateForeignReferenceSet(element, null);
  }
}

protected void raiseAddChangeEvent(Object element, Integer index, boolean isSet) {
  if (hasTrackedPropertyChangeListener()) {
    _persistence_getPropertyChangeListener().propertyChange(new CollectionChangeEvent(this, getTrackedAttributeName(), this, element, CollectionChangeEvent.ADD, index, isSet, true));
  }
  if (isRelationshipMaintenanceRequired()) {
    ((UnitOfWorkQueryValueHolder)getValueHolder()).updateForeignReferenceSet(element, null);
  }
}

protected void raiseRemoveChangeEvent(Object element, Integer index, boolean isSet) {
  if (hasTrackedPropertyChangeListener()) {
    _persistence_getPropertyChangeListener().propertyChange(new CollectionChangeEvent(this, getTrackedAttributeName(), this, element, CollectionChangeEvent.REMOVE, index, isSet, true));
  }
  if (isRelationshipMaintenanceRequired()) {
    ((UnitOfWorkQueryValueHolder)getValueHolder()).updateForeignReferenceRemove(element);
  }
}

/**
 * @see java.util.Vector#add(java.lang.Object)
 */
@Override
public boolean add(E element) {
  if (!this.isRegistered) {
    return getDelegate().add(element);
  }
  boolean added = true;
  // PERF: If not instantiated just record the add to avoid the instantiation.
  if (shouldAvoidInstantiation()) {
    if (hasRemovedElements() && getRemovedElements().contains(element)) {
      getRemovedElements().remove(element);
    } else if (isRelationshipMaintenanceRequired() && getAddedElements().contains(element)) {
      // Must avoid recursion for relationship maintenance.
      return false;
    } else {
      getAddedElements().add(element);
    }
  } else {
    added = getDelegate().add(element);
  }
  raiseAddChangeEvent(element, null);
  return added;
}

/**
 * @see java.util.Vector#add(java.lang.Object)
 */
@Override
public boolean add(E element) {
  if (!this.isRegistered) {
    return getDelegate().add(element);
  }
  boolean added = true;
  // PERF: If not instantiated just record the add to avoid the instantiation.
  if (shouldAvoidInstantiation()) {
    if (hasRemovedElements() && getRemovedElements().contains(element)) {
      getRemovedElements().remove(element);
    } else if (isRelationshipMaintenanceRequired() && getAddedElements().contains(element)) {
      // Must avoid recursion for relationship maintenance.
      return false;
    } else {
      getAddedElements().add(element);
    }
  } else {
    added = getDelegate().add(element);
  }
  raiseAddChangeEvent(element, null);
  return added;
}