/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
package com.sun.grid.jgdi.examples;
import com.sun.grid.jgdi.JGDIFactory;
import com.sun.grid.jgdi.event.Event;
import com.sun.grid.jgdi.event.EventListener;
import com.sun.grid.jgdi.event.EventTypeEnum;
import com.sun.grid.jgdi.management.JGDIProxy;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.logging.Logger;
/**
*
*/
public class EventLoop implements EventListener {
Logger log = Logger.getLogger(EventLoop.class.getName());
public static void main(String[] args) {
String master = args[0];
int port = Integer.valueOf(args[1]);
Object credentials = new String[]{System.getProperty("user.name"), "aa"};
EventLoop loop = new EventLoop(master, port, credentials);
try {
while(true) {
loop.run();
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
private String master;
private int port;
private Object credentials;
public EventLoop(String master, int port, Object credentials) {
this.master = master;
this.port = port;
this.credentials = credentials;
}
public void run() throws Exception {
log.info("connecting");
JGDIProxy jgdiProxy = JGDIFactory.newJMXInstance(master, port, credentials);
Set<EventTypeEnum> subscription = new HashSet<EventTypeEnum>(4);
subscription.add(EventTypeEnum.ExecHostList);
subscription.add(EventTypeEnum.ExecHostAdd);
subscription.add(EventTypeEnum.ExecHostDel);
subscription.add(EventTypeEnum.ExecHostMod);
log.info("addEventListener");
jgdiProxy.addEventListener(this);
log.info("setSubscription");
jgdiProxy.getProxy().setSubscription(subscription);
log.info("connected");
lock.lock();
try {
cond.await();
} finally {
lock.unlock();
}
log.info("disconnecting");
jgdiProxy.close();
log.info("disconnected");
}
private Lock lock = new ReentrantLock();
private Condition cond = lock.newCondition();
int eventCount = 0;
public void eventOccured(Event evt) {
log.info("eventOccured " + evt);
lock.lock();
try {
eventCount++;
if(eventCount > 3) {
cond.signalAll();
}
} finally {
lock.unlock();
}
}
}