| /** |
| * 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 org.apache.storm.executor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.storm.Constants; |
| import org.apache.storm.daemon.Shutdownable; |
| import org.apache.storm.daemon.Task; |
| import org.apache.storm.generated.Credentials; |
| import org.apache.storm.generated.ExecutorStats; |
| import org.apache.storm.grouping.LoadMapping; |
| import org.apache.storm.hooks.ITaskHook; |
| import org.apache.storm.spout.ISpout; |
| import org.apache.storm.task.IBolt; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.tuple.AddressedTuple; |
| import org.apache.storm.tuple.TupleImpl; |
| import org.apache.storm.tuple.Values; |
| import org.apache.storm.utils.JCQueue; |
| import org.apache.storm.utils.Utils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ExecutorShutdown implements Shutdownable, IRunningExecutor { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ExecutorShutdown.class); |
| |
| private final Executor executor; |
| private final List<Utils.SmartThread> threads; |
| private final ArrayList<Task> taskDatas; |
| private final JCQueue receiveQueue; |
| |
| public ExecutorShutdown(Executor executor, List<Utils.SmartThread> threads, ArrayList<Task> taskDatas, JCQueue recvQueue) { |
| this.executor = executor; |
| this.threads = threads; |
| this.taskDatas = taskDatas; |
| this.receiveQueue = recvQueue; |
| } |
| |
| @Override |
| public ExecutorStats renderStats() { |
| return executor.getStats().renderStats(); |
| } |
| |
| @Override |
| public List<Long> getExecutorId() { |
| return executor.getExecutorId(); |
| } |
| |
| @Override |
| public void credentialsChanged(Credentials credentials) { |
| TupleImpl tuple = new TupleImpl(executor.getWorkerTopologyContext(), new Values(credentials), |
| Constants.SYSTEM_COMPONENT_ID, (int) Constants.SYSTEM_TASK_ID, |
| Constants.CREDENTIALS_CHANGED_STREAM_ID); |
| AddressedTuple addressedTuple = new AddressedTuple(AddressedTuple.BROADCAST_DEST, tuple); |
| try { |
| executor.getReceiveQueue().publish(addressedTuple); |
| executor.getReceiveQueue().flush(); |
| } catch (InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void loadChanged(LoadMapping loadMapping) { |
| executor.reflectNewLoadMapping(loadMapping); |
| } |
| |
| @Override |
| public JCQueue getReceiveQueue() { |
| return receiveQueue; |
| } |
| |
| @Override |
| public boolean publishFlushTuple() { |
| return executor.publishFlushTuple(); |
| } |
| |
| @Override |
| public void shutdown() { |
| try { |
| LOG.info("Shutting down executor " + executor.getComponentId() + ":" + executor.getExecutorId()); |
| executor.getReceiveQueue().close(); |
| for (Utils.SmartThread t : threads) { |
| t.interrupt(); |
| } |
| for (Utils.SmartThread t : threads) { |
| LOG.debug("Executor " + executor.getComponentId() + ":" + executor.getExecutorId() + " joining thread " + t.getName()); |
| t.join(); |
| } |
| executor.getStats().cleanupStats(); |
| for (Task task : taskDatas) { |
| if (task == null) { |
| continue; |
| } |
| TopologyContext userContext = task.getUserContext(); |
| for (ITaskHook hook : userContext.getHooks()) { |
| hook.cleanup(); |
| } |
| } |
| executor.getStormClusterState().disconnect(); |
| if (executor.getOpenOrPrepareWasCalled().get()) { |
| for (Task task : taskDatas) { |
| if (task == null) { |
| continue; |
| } |
| Object object = task.getTaskObject(); |
| if (object instanceof ISpout) { |
| ((ISpout) object).close(); |
| } else if (object instanceof IBolt) { |
| ((IBolt) object).cleanup(); |
| } else { |
| LOG.error("unknown component object"); |
| } |
| } |
| } |
| LOG.info("Shut down executor " + executor.getComponentId() + ":" + executor.getExecutorId()); |
| } catch (Exception e) { |
| throw Utils.wrapInRuntime(e); |
| } |
| } |
| } |