targetservicefactoryvisitable.java

一个非常好的FRAMWRK!是一个外国组织做的!不!

/*
 * Copyright 2003-2005 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package com.jdon.bussinessproxy.target;

import com.jdon.container.access.TargetMetaRequest;
import com.jdon.container.visitor.Visitable;

/**
 * this class supply accessing TargetServiceFactory by cache visitor
 * if ServiceMethodInvoker call this class, ejb service instance
 *  or pojo instance will be cached.
 * 
 * active it by two steps:
 * 1. configure in container.xml
 *    <component name="targetServiceFactoryVisitable" class="com.jdon.bussinessproxy.target.TargetServiceFactoryVisitable" />
 * 2. uncomment the line in AopClient's invoke method
 *    this.methodInvoker.setVisitor(cm);
 * 
 * this.methodInvoker.setVisitor(cm);
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */
public class TargetServiceFactoryVisitable implements Visitable{

    private TargetServiceFactory targetServiceFactory;
    public TargetServiceFactoryVisitable(TargetServiceFactory targetServiceFactory){
        this.targetServiceFactory = targetServiceFactory;
    }
    
    public Object accept(TargetMetaRequest targetMetaRequest) {
        return targetServiceFactory.create(targetMetaRequest.getTargetMetaDef());
    }
}