How to use

getCollectionDescriptor

method

in

org.hibernate.collection.internal.PersistentIdentifierBag

@Override
public boolean needsUpdating(Object entry, int i) throws HibernateException {
  if ( entry == null ) {
    return false;
  }
  final Map snap = (Map) getSnapshot();
  final Object id = identifiers.get( i );
  if ( id == null ) {
    return false;
  }
  final Object old = snap.get( id );
  return old != null && getCollectionDescriptor().isDirty( old, entry, getSession() );
}

@Override
public void initializeFromCache(
    Serializable disassembled,
    Object owner,
    PersistentCollectionDescriptor<?,?,E> collectionDescriptor) {
  final Serializable[] array = (Serializable[]) disassembled;
  final int size = array.length;
  beforeInitialize( size, collectionDescriptor );
  for ( int i = 0; i < size; i+=2 ) {
    identifiers.put(
        (i/2),
        getCollectionDescriptor().getIdDescriptor()
          .getJavaTypeDescriptor()
          .getMutabilityPlan()
          .assemble( array[i] )
    );
    values.add(
        getCollectionDescriptor().getElementDescriptor()
            .getJavaTypeDescriptor()
            .getMutabilityPlan()
            .assemble( array[i+1] )
    );
  }
}