| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 backtype.storm; |
| |
| import org.apache.thrift.TException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import backtype.storm.generated.DRPCRequest; |
| import backtype.storm.utils.ServiceRegistry; |
| |
| import com.alibaba.jstorm.drpc.Drpc; |
| |
| public class LocalDRPC implements ILocalDRPC { |
| private static final Logger LOG = LoggerFactory.getLogger(LocalDRPC.class); |
| |
| private Drpc handler = new Drpc(); |
| private Thread thread; |
| |
| private final String serviceId; |
| |
| public LocalDRPC() { |
| |
| thread = new Thread(new Runnable() { |
| |
| @Override |
| public void run() { |
| LOG.info("Begin to init local Drpc"); |
| try { |
| handler.init(); |
| } catch (Exception e) { |
| LOG.info("Failed to start local drpc"); |
| System.exit(-1); |
| } |
| LOG.info("Successfully start local drpc"); |
| } |
| }); |
| thread.start(); |
| |
| serviceId = ServiceRegistry.registerService(handler); |
| } |
| |
| @Override |
| public String execute(String functionName, String funcArgs) { |
| // TODO Auto-generated method stub |
| try { |
| return handler.execute(functionName, funcArgs); |
| } catch (Exception e) { |
| LOG.error("", e); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void result(String id, String result) throws TException { |
| // TODO Auto-generated method stub |
| handler.result(id, result); |
| } |
| |
| @Override |
| public DRPCRequest fetchRequest(String functionName) throws TException { |
| // TODO Auto-generated method stub |
| return handler.fetchRequest(functionName); |
| } |
| |
| @Override |
| public void failRequest(String id) throws TException { |
| // TODO Auto-generated method stub |
| handler.failRequest(id); |
| } |
| |
| @Override |
| public void shutdown() { |
| // TODO Auto-generated method stub |
| ServiceRegistry.unregisterService(this.serviceId); |
| this.handler.shutdown(); |
| } |
| |
| @Override |
| public String getServiceId() { |
| // TODO Auto-generated method stub |
| return serviceId; |
| } |
| |
| } |