Package com.sun.grid.jgdi.examples

Source Code of com.sun.grid.jgdi.examples.EventExample

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/*************************************************************************
*
*  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
*
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*  See the License for the specific provisions governing your rights and
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*   Copyright: 2001 by Sun Microsystems, Inc.
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package com.sun.grid.jgdi.examples;

import com.sun.grid.jgdi.EventClient;
import com.sun.grid.jgdi.JGDI;
import com.sun.grid.jgdi.JGDIException;
import com.sun.grid.jgdi.JGDIFactory;
import com.sun.grid.jgdi.configuration.Checkpoint;
import com.sun.grid.jgdi.configuration.ConfigurationFactory;
import com.sun.grid.jgdi.event.Event;
import com.sun.grid.jgdi.event.EventListener;
import com.sun.grid.jgdi.event.EventTypeEnum;

/**
* Simple example which demonstrates how to receive events from the
* Sun™ Grid Engine
*
*/
public class EventExample {

    public static void main(String[] args) {

        try {

            String url = "bootstrap:///opt/sge@default:1026";

            if (args.length == 1) {
                url = args[0];
            }

            JGDI jgdi = JGDIFactory.newInstance(url);

            try {
                System.out.println("Successfully connected to " + url);

                EventClient evc = JGDIFactory.createEventClient(url, 0);

                evc.subscribe(EventTypeEnum.CheckpointAdd);
                evc.subscribe(EventTypeEnum.CheckpointMod);
                evc.subscribe(EventTypeEnum.CheckpointDel);

                evc.commit();

                evc.addEventListener(new EventListener() {

                    public void eventOccured(Event evt) {
                        System.out.println("got event " + evt);
                    }
                });


                try {

                    // Create a new checkpoint object which intialized with default values
                    Checkpoint ckpt = ConfigurationFactory.createCheckpointWithDefaults();
                    ckpt.setName("sample");
                    ckpt.setCkptCommand("/usr/bin/ckpt");
                    ckpt.setCkptDir("/tmp");

                    jgdi.addCheckpoint(ckpt);
                    try {
                        System.out.println("Checkpoint " + ckpt.getName() + " successfully added");
                        ckpt = jgdi.getCheckpoint(ckpt.getName());
                        ckpt.setRestCommand("/tmp/blubber");
                        jgdi.updateCheckpoint(ckpt);
                        System.out.println("Checkpoint " + ckpt.getName() + " successfully modified");
                    } finally {
                        jgdi.deleteCheckpoint(ckpt);
                        System.out.println("Checkpoint " + ckpt.getName() + " successfully deleted");
                    }

                    Thread.sleep(60000);
                } finally {
                    evc.close();
                }
            } finally {
                jgdi.close();
            }
        } catch (JGDIException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
        // Ignore
        }
    }
}
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