How to use

getValueHolder

method

in

org.eclipse.persistence.indirection.IndirectList

/**
 * INTERNAL:
 * return whether this IndirectList has been registered with the UnitOfWork
 */
public boolean hasBeenRegistered() {
  return getValueHolder() instanceof UnitOfWorkQueryValueHolder;
}

/**
 * INTERNAL:
 * return whether this IndirectList has been registered with the UnitOfWork
 */
public boolean hasBeenRegistered() {
  return getValueHolder() instanceof UnitOfWorkQueryValueHolder;
}

/**
 * INTERNAL:
 * return whether this IndirectList has been registered with the UnitOfWork
 */
public boolean hasBeenRegistered() {
  return getValueHolder() instanceof UnitOfWorkQueryValueHolder;
}

/**
 * PUBLIC:
 * Return whether the contents have been read from the database.
 */
public boolean isInstantiated() {
  return getValueHolder().isInstantiated();
}

/**
 * PUBLIC:
 * Return whether the contents have been read from the database.
 */
@Override
public boolean isInstantiated() {
  return getValueHolder().isInstantiated();
}

/**
 * PUBLIC:
 * Return whether the contents have been read from the database.
 */
@Override
public boolean isInstantiated() {
  return getValueHolder().isInstantiated();
}

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 raiseRemoveChangeEvent(Object element, Integer index, boolean isSet) {
  if (hasTrackedPropertyChangeListener()) {
    _persistence_getPropertyChangeListener().propertyChange(new CollectionChangeEvent(this, getTrackedAttributeName(), this, element, CollectionChangeEvent.REMOVE, index, isSet));
  }
  if (hasBeenRegistered()) {
    ((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 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);
  }
}

/**
 * INTERNAL:
 * Return if add/remove should trigger instantiation or avoid.
 * Current instantiation is avoided is using change tracking.
 */
protected boolean shouldAvoidInstantiation() {
  return (!isInstantiated()) && (_persistence_getPropertyChangeListener() instanceof AttributeChangeListener) && !usesListOrderField() && ((WeavedAttributeValueHolderInterface)getValueHolder()).shouldAllowInstantiationDeferral();
}
 

Vector delegate = (Vector<E>)getValueHolder().getValue();
if (delegate == null) {
  delegate = new Vector<>(this.initialCapacity, this.capacityIncrement);

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

/**
 * INTERNAL:
 * Return if add/remove should trigger instantiation or avoid.
 * Current instantiation is avoided is using change tracking.
 */
protected boolean shouldAvoidInstantiation() {
  return (!isInstantiated())  && (shouldUseLazyInstantiation()) && (_persistence_getPropertyChangeListener() instanceof AttributeChangeListener) && !usesListOrderField() && ((WeavedAttributeValueHolderInterface)getValueHolder()).shouldAllowInstantiationDeferral();
}

Vector delegate = (Vector)getValueHolder().getValue();
if (delegate == null) {
  delegate = new Vector(this.initialCapacity, this.capacityIncrement);

/**
 * INTERNAL:
 * Return if add/remove should trigger instantiation or avoid.
 * Current instantiation is avoided is using change tracking.
 */
protected boolean shouldAvoidInstantiation() {
  return (!isInstantiated())  && (shouldUseLazyInstantiation()) && (_persistence_getPropertyChangeListener() instanceof AttributeChangeListener) && !usesListOrderField() && ((WeavedAttributeValueHolderInterface)getValueHolder()).shouldAllowInstantiationDeferral();
}

Vector<E> newDelegate = (Vector<E>) getValueHolder().getValue();
if (newDelegate == null) {
  newDelegate = new Vector<>(this.initialCapacity, this.capacityIncrement);