proxyvisitor.java

来自「用Java实现的23个常用设计模式源代码」· Java 代码 · 共 31 行

//$Id: ProxyVisitor.java,v 1.1.2.3 2003/11/27 16:09:59 oneovthafew Exp $
package net.sf.hibernate.impl;

import net.sf.hibernate.HibernateException;
import net.sf.hibernate.type.EntityType;

/**
 * Reassociates uninitialized proxies with the session
 * @author Gavin King
 */
abstract class ProxyVisitor extends AbstractVisitor {


	public ProxyVisitor(SessionImpl session) {
		super(session);
	}

	Object processEntity(Object value, EntityType entityType) throws HibernateException {
		
		if (value!=null) {
			getSession().reassociateIfUninitializedProxy(value);
			// if it is an initialized proxy, let cascade 
			// handle it later on
		}
		
		return null;
	}


}