scheduledcollectionaction.java

来自「用Java实现的23个常用设计模式源代码」· Java 代码 · 共 56 行

//$Id: ScheduledCollectionAction.java,v 1.7.2.7 2003/11/27 16:09:59 oneovthafew Exp $
package net.sf.hibernate.impl;

import java.io.Serializable;

import net.sf.hibernate.cache.CacheException;
import net.sf.hibernate.cache.CacheConcurrencyStrategy.SoftLock;
import net.sf.hibernate.collection.CollectionPersister;
import net.sf.hibernate.engine.SessionImplementor;
import net.sf.hibernate.impl.SessionImpl.Executable;

abstract class ScheduledCollectionAction implements Executable {
	
	private final CollectionPersister persister;
	private final Serializable id;
	private final SessionImplementor session;
	private SoftLock lock;
	
	protected void setLock(SoftLock lock) {
		this.lock = lock;
	}
	
	public ScheduledCollectionAction(CollectionPersister persister, Serializable id, SessionImplementor session) {
		this.persister = persister;
		this.session = session;
		this.id = id;
	}
	
	public void afterTransactionCompletion(boolean success) throws CacheException {
		if ( persister.hasCache() ) persister.getCache().release(id, lock);
	}
	
	public Serializable[] getPropertySpaces() {
		return new Serializable[] { persister.getCollectionSpace() };
	}

	protected final CollectionPersister getPersister() {
		return persister;
	}

	protected final Serializable getId() {
		return id;
	}

	protected final SessionImplementor getSession() {
		return session;
	}
	
}