/* | |
* Copyright 1999-2012 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.cluster.support; | |
import java.util.List; | |
import com.alibaba.dubbo.common.logger.Logger; | |
import com.alibaba.dubbo.common.logger.LoggerFactory; | |
import com.alibaba.dubbo.rpc.Invocation; | |
import com.alibaba.dubbo.rpc.Invoker; | |
import com.alibaba.dubbo.rpc.Result; | |
import com.alibaba.dubbo.rpc.RpcContext; | |
import com.alibaba.dubbo.rpc.RpcException; | |
import com.alibaba.dubbo.rpc.cluster.Directory; | |
import com.alibaba.dubbo.rpc.cluster.LoadBalance; | |
/** | |
* BroadcastClusterInvoker | |
* | |
* @author william.liangf | |
*/ | |
public class BroadcastClusterInvoker<T> extends AbstractClusterInvoker<T> { | |
private static final Logger logger = LoggerFactory.getLogger(BroadcastClusterInvoker.class); | |
public BroadcastClusterInvoker(Directory<T> directory) { | |
super(directory); | |
} | |
@SuppressWarnings({ "unchecked", "rawtypes" }) | |
public Result doInvoke(final Invocation invocation, List<Invoker<T>> invokers, LoadBalance loadbalance) throws RpcException { | |
checkInvokers(invokers, invocation); | |
RpcContext.getContext().setInvokers((List)invokers); | |
RpcException exception = null; | |
Result result = null; | |
for (Invoker<T> invoker: invokers) { | |
try { | |
result = invoker.invoke(invocation); | |
} catch (RpcException e) { | |
exception = e; | |
logger.warn(e.getMessage(), e); | |
} catch (Throwable e) { | |
exception = new RpcException(e.getMessage(), e); | |
logger.warn(e.getMessage(), e); | |
} | |
} | |
if (exception != null) { | |
throw exception; | |
} | |
return result; | |
} | |
} |