| /** |
| * 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 com.alibaba.jstorm.task; |
| |
| import java.util.Map; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.alibaba.jstorm.callback.AsyncLoopThread; |
| import com.alibaba.jstorm.task.TaskReceiver.DeserializeRunnable; |
| import com.alibaba.jstorm.utils.JStormUtils; |
| import com.alibaba.jstorm.utils.TimeUtils; |
| |
| import backtype.storm.task.TopologyContext; |
| import backtype.storm.tuple.BatchTuple; |
| import backtype.storm.tuple.Tuple; |
| import backtype.storm.utils.DisruptorQueue; |
| |
| public class TaskBatchReceiver extends TaskReceiver { |
| private static Logger LOG = LoggerFactory.getLogger(TaskBatchReceiver.class); |
| |
| public TaskBatchReceiver(Task task, int taskId, Map stormConf, TopologyContext topologyContext, Map<Integer, DisruptorQueue> innerTaskTransfer, |
| TaskStatus taskStatus, String taskName) { |
| super(task, taskId, stormConf, topologyContext, innerTaskTransfer, taskStatus, taskName); |
| } |
| |
| @Override |
| protected void setDeserializeThread() { |
| this.deserializeThread = new AsyncLoopThread(new DeserializeBatchRunnable(deserializeQueue, innerTaskTransfer.get(taskId))); |
| } |
| |
| public class DeserializeBatchRunnable extends DeserializeRunnable { |
| public DeserializeBatchRunnable(DisruptorQueue deserializeQueue, DisruptorQueue exeQueue) { |
| super(deserializeQueue, exeQueue); |
| } |
| |
| @Override |
| protected Object deserialize(byte[] ser_msg) { |
| long start = System.nanoTime(); |
| try { |
| if (ser_msg == null) { |
| return null; |
| } |
| |
| if (ser_msg.length == 0) { |
| return null; |
| } else if (ser_msg.length == 1) { |
| byte newStatus = ser_msg[0]; |
| LOG.info("Change task status as " + newStatus); |
| taskStatus.setStatus(newStatus); |
| |
| return null; |
| } |
| |
| // ser_msg.length > 1 |
| BatchTuple tuple = deserializer.deserializeBatch(ser_msg); |
| if (isDebugRecv) { |
| LOG.info(idStr + " receive " + tuple.toString()); |
| } |
| |
| return tuple; |
| } catch (Throwable e) { |
| if (taskStatus.isShutdown() == false) { |
| LOG.error(idStr + " recv thread error " + JStormUtils.toPrintableString(ser_msg) + "\n", e); |
| } |
| } finally { |
| long end = System.nanoTime(); |
| deserializeTimer.update((end - start) / TimeUtils.NS_PER_US); |
| } |
| |
| return null; |
| } |
| } |
| } |