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//******************************************************************************
//
// File: ProcessInfo.java
// Package: edu.rit.pj.cluster
// Unit: Class edu.rit.pj.cluster.ProcessInfo
//
// This Java source file is copyright (C) 2008 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java Library ("PJ"). PJ is free
// software; you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// PJ is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// Linking this library statically or dynamically with other modules is making a
// combined work based on this library. Thus, the terms and conditions of the
// GNU General Public License cover the whole combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent modules, and
// to copy and distribute the resulting executable under terms of your choice,
// provided that you also meet, for each linked independent module, the terms
// and conditions of the license of that module. An independent module is a
// module which is not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the library, but
// you are not obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.pj.cluster;
import edu.rit.util.Timer;
import java.net.InetSocketAddress;
/**
* Class ProcessInfo provides a record of information about one job backend
* process in the PJ cluster middleware.
*
* @author Alan Kaminsky
* @version 21-May-2008
*/
public class ProcessInfo
{
// Exported enumerations.
/**
* The state of a job backend process.
*/
public static enum State
{
/**
* The job backend process has not started yet.
*/
NOT_STARTED ("Not started"),
/**
* The job backend process is running.
*/
RUNNING ("Running"),
/**
* The job backend process has finished.
*/
FINISHED ("Finished"),
/**
* The job backend process has failed.
*/
FAILED ("Failed");
private final String stringForm;
/**
* Construct a new State value.
*
* @param stringForm String form.
*/
State
(String stringForm)
{
this.stringForm = stringForm;
}
/**
* Returns a string version of this State value.
*
* @return String version.
*/
public String toString()
{
return stringForm;
}
}
// Exported data members.
/**
* The job backend process's state.
*/
public State state;
/**
* The job backend node's name.
*/
public String name;
/**
* The job backend process's rank.
*/
public int rank;
/**
* Reference to the job backend process.
*/
public JobBackendRef backend;
/**
* Host/port to which the job backend process is listening for middleware
* messages.
*/
public InetSocketAddress middlewareAddress;
/**
* Host/port to which the job backend process is listening for the world
* communicator.
*/
public InetSocketAddress worldAddress;
/**
* Host/port to which the job backend process is listening for the frontend
* communicator, or null if the frontend communicator does not exist.
*/
public InetSocketAddress frontendAddress;
/**
* Lease renewal timer.
*/
public Timer renewTimer;
/**
* Lease expiration timer.
*/
public Timer expireTimer;
/**
* Number of CPUs assigned to the job backend process.
*/
public int Nt;
// Exported constructors.
/**
* Construct a new job information record.
*
* @param state
* The job backend process's state.
* @param name
* The job backend processor's name.
* @param rank
* The job backend process's rank.
* @param backend
* Reference to the job backend process.
* @param middlewareAddress
* Host/port to which the job backend process is listening for
* middleware messages.
* @param worldAddress
* Host/port to which the job backend process is listening for the world
* communicator.
* @param frontendAddress
* Host/port to which the job backend process is listening for the
* frontend communicator, or null if the frontend communicator does not
* exist.
* @param renewTimer
* Lease renewal timer.
* @param expireTimer
* Lease expiration timer.
* @param Nt
* Number of CPUs assigned to the job backend process.
*/
public ProcessInfo
(State state,
String name,
int rank,
JobBackendRef backend,
InetSocketAddress middlewareAddress,
InetSocketAddress worldAddress,
InetSocketAddress frontendAddress,
Timer renewTimer,
Timer expireTimer,
int Nt)
{
this.state = state;
this.name = name;
this.rank = rank;
this.backend = backend;
this.middlewareAddress = middlewareAddress;
this.worldAddress = worldAddress;
this.frontendAddress = frontendAddress;
this.renewTimer = renewTimer;
this.expireTimer = expireTimer;
this.Nt = Nt;
}
}
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