scheduledcollectionrecreate.java

来自「用Java实现的23个常用设计模式源代码」· Java 代码 · 共 35 行

//$Id: ScheduledCollectionRecreate.java,v 1.6.2.5 2003/11/05 09:01:29 oneovthafew Exp $
package net.sf.hibernate.impl;

import java.io.Serializable;

import net.sf.hibernate.HibernateException;
import net.sf.hibernate.collection.CollectionPersister;
import net.sf.hibernate.collection.PersistentCollection;
import net.sf.hibernate.engine.SessionImplementor;

final class ScheduledCollectionRecreate  extends ScheduledCollectionAction implements SessionImpl.Executable {
	
	private final PersistentCollection collection;
	
	public ScheduledCollectionRecreate(PersistentCollection collection, CollectionPersister persister, Serializable id, SessionImplementor session) {
		super(persister, id, session);
		this.collection = collection;
	}
	
	public void execute() throws HibernateException {
		CollectionPersister persister = getPersister();
		if ( persister.hasCache() ) setLock( persister.getCache().lock( getId() ) );
		persister.recreate( collection, getId(), getSession() );
		if ( persister.hasCache() ) persister.getCache().evict( getId() );
	}
	
}