/**
* 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.execute.spout;
import com.alibaba.jstorm.client.ConfigExtension;
import com.alibaba.jstorm.task.Task;
import com.alibaba.jstorm.task.TaskStatus;
import com.alibaba.jstorm.task.acker.Acker;
import com.alibaba.jstorm.task.comm.TupleInfo;
import com.alibaba.jstorm.utils.JStormUtils;
import com.alibaba.jstorm.utils.RotatingMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* spout executor
* <p/>
* All spout actions will be done here
*
* @author yannian/Longda
*/
public class SingleThreadSpoutExecutors extends SpoutExecutors {
private static Logger LOG = LoggerFactory.getLogger(SingleThreadSpoutExecutors.class);
public SingleThreadSpoutExecutors(Task task) {
super(task);
}
@Override
public void mkPending() {
// sending Tuple's TimeCacheMap
if (ConfigExtension.isTaskBatchTuple(storm_conf)) {
pending = new RotatingMap<Long, TupleInfo>(Acker.TIMEOUT_BUCKET_NUM, null, false);
}else {
pending = new RotatingMap<Long, TupleInfo>(Acker.TIMEOUT_BUCKET_NUM, null, true);
}
}
@Override
public String getThreadName() {
return idStr + "-" + SingleThreadSpoutExecutors.class.getSimpleName();
}
@Override
public void run() {
if (checkTopologyFinishInit == false ) {
initWrapper();
int delayRun = ConfigExtension.getSpoutDelayRunSeconds(storm_conf);
long now = System.currentTimeMillis();
while (!checkTopologyFinishInit){
// wait other bolt is ready, but the spout can handle the received message
executeEvent();
controlQueue.consumeBatch(this);
if (System.currentTimeMillis() - now > delayRun * 1000){
executorStatus.setStatus(TaskStatus.RUN);
this.checkTopologyFinishInit = true;
LOG.info("wait {} timeout, begin operate nextTuple", delayRun);
break;
}
}
while (true){
JStormUtils.sleepMs(10);
if (taskStatus.isRun()){
this.spout.activate();
break;
}else if (taskStatus.isPause()){
this.spout.deactivate();
break;
}
}
LOG.info(idStr + " is ready, due to the topology finish init. ");
}
executeEvent();
controlQueue.consumeBatch(this);
super.nextTuple();
}
private void executeEvent() {
try {
exeQueue.consumeBatch(this);
} catch (Exception e) {
if (taskStatus.isShutdown() == false) {
LOG.error("Actor occur unknow exception ", e);
}
}
}
}