dubbo-rpc/src/main/java/com/alibaba/dubbo/rpc/proxy/wrapper/MockProxyInvoker.java

/*
 * Copyright 1999-2011 Alibaba Group.
 *  
 * 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.alibaba.dubbo.rpc.proxy.wrapper;

import com.alibaba.dubbo.rpc.Invocation;
import com.alibaba.dubbo.rpc.Invoker;
import com.alibaba.dubbo.rpc.Result;
import com.alibaba.dubbo.rpc.RpcException;
import com.alibaba.dubbo.rpc.support.DelegateInvoker;

/**
 * MockProxyInvoker
 * 
 * @author william.liangf
 */
public class MockProxyInvoker<T> extends DelegateInvoker<T> {
    
    private final Invoker<T> mockInvoker;

    public MockProxyInvoker(Invoker<T> invoker, Invoker<T> mockInvoker) {
        super(invoker);
        this.mockInvoker = mockInvoker;
    }

    public Result invoke(Invocation invocation) throws RpcException {
        try {
            return super.invoke(invocation);
        } catch (RpcException e) {
            return mockInvoker.invoke(invocation);
        }
    }

}