gearman-plugin/src/main/java/hudson/plugins/gearman/AbstractWorkerThread.java

169 lines
3.9 KiB
Java

/*
*
* Copyright 2013 Hewlett-Packard Development Company, L.P.
*
* 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 hudson.plugins.gearman;
import java.util.Date;
import java.util.UUID;
import org.gearman.common.GearmanNIOJobServerConnection;
import org.gearman.worker.GearmanWorker;
import org.gearman.worker.GearmanWorkerImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Base object for gearman worker threads
*
*
* @author Khai Do
*/
public abstract class AbstractWorkerThread implements Runnable {
public static final String DEFAULT_EXECUTOR_NAME = "anonymous";
private static final Logger logger = LoggerFactory
.getLogger(Constants.PLUGIN_LOGGER_NAME);
protected String host;
protected int port;
protected String name;
protected GearmanWorker worker;
private final GearmanNIOJobServerConnection conn;
private Thread thread;
private UUID id;
public AbstractWorkerThread(String host, int port) {
this(host, port, DEFAULT_EXECUTOR_NAME);
}
public AbstractWorkerThread(String host, int port, String name) {
setHost(host);
setPort(port);
setName(name);
setId(UUID.randomUUID());
worker = new GearmanWorkerImpl();
conn = new GearmanNIOJobServerConnection(host, port);
}
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public UUID getId() {
return id;
}
public void setId(UUID id) {
this.id = id;
}
/*
* Register jobs with the gearman worker.
* This method should be overriden.
*/
public void registerJobs() {
logger.info("---- AbstractorWorker registerJobs function ----");
}
/*
* Start the thread
*/
public void start() {
thread = new Thread(this);
thread.start();
}
/*
* Stop the thread
*/
public void stop() {
// Interrupt the thread so it unblocks any blocking call
if (worker.isRunning()) {
try {
logger.info("---- Stopping " + getName() + ":" + getId().toString() +
" (" + new Date().toString() + ")");
worker.unregisterAll();
worker.shutdown();
} catch (Exception e) {
e.printStackTrace();
}
}
thread.interrupt();
// Wait until the thread exits
try {
thread.join();
} catch (InterruptedException ex) {
// Unexpected interruption
ex.printStackTrace();
}
}
/*
* Execute the thread (non-Javadoc)
* @see java.lang.Runnable#run()
*/
@Override
public void run() {
if (!worker.isRunning()) {
logger.info("---- Starting Worker "+ getName() + ":" + getId().toString() +
" ("+new Date().toString()+")");
worker.setWorkerID(name);
worker.setJobUniqueIdRequired(true);
worker.addServer(conn);
worker.work();
}
// Thread exits
}
}