/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.cache.spi.entry;

import java.io.Serializable;

import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.internal.util.collections.ArrayHelper;
import org.hibernate.persister.collection.CollectionPersister;

Cacheable representation of persistent collections
Author:Gavin King
/** * Cacheable representation of persistent collections * * @author Gavin King */
public class CollectionCacheEntry implements Serializable { private final Serializable state;
Constructs a CollectionCacheEntry
Params:
  • collection – The persistent collection instance
  • persister – The collection persister
/** * Constructs a CollectionCacheEntry * * @param collection The persistent collection instance * @param persister The collection persister */
public CollectionCacheEntry(PersistentCollection collection, CollectionPersister persister) { this.state = collection.disassemble( persister ); } CollectionCacheEntry(Serializable state) { this.state = state; }
Retrieve the cached collection state.
Returns:The cached collection state.
/** * Retrieve the cached collection state. * * @return The cached collection state. */
public Serializable[] getState() { //TODO: assumes all collections disassemble to an array! return (Serializable[]) state; }
Assembles the collection from the cached state.
Params:
  • collection – The persistent collection instance being assembled
  • persister – The collection persister
  • owner – The collection owner instance
/** * Assembles the collection from the cached state. * * @param collection The persistent collection instance being assembled * @param persister The collection persister * @param owner The collection owner instance */
public void assemble( final PersistentCollection collection, final CollectionPersister persister, final Object owner) { collection.initializeFromCache( persister, state, owner ); collection.afterInitialize(); } @Override public String toString() { return "CollectionCacheEntry" + ArrayHelper.toString( getState() ); } }