/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
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 * Header, with the fields enclosed by brackets [] replaced by your own
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package com.sun.enterprise.admin.servermgmt.pe;

public final class InstanceTimer implements Runnable
{
    private final   int             timeOutSeconds;
    private final   TimerCallback   callBack;
    private final   int             startAfterSeconds;
    private boolean                 timeOutReached;
    private long                    startTime;

    public InstanceTimer(int timeOutSeconds,
                  int startAfterSeconds,
                  TimerCallback callBack)
    {
        this.timeOutSeconds     = timeOutSeconds;
        this.startAfterSeconds  = startAfterSeconds;
        this.callBack           = callBack;
        this.timeOutReached     = false;
    }

    public void run()
    {
        startTime = System.currentTimeMillis();
        try
        {
            Thread.currentThread().sleep(startAfterSeconds * 1000);
            while (!timeOutReached() && !callBack.check())
            {
                try
                {
                    Thread.currentThread().sleep(1000);
                    computeTimeOut();
                }
                catch (InterruptedException ie)
                {
                    //sLogger.warning(ie.toString());
                    timeOutReached = true;
                }
            }
        }
        catch (Exception e)
        {
            //sLogger.warning(e.toString());
            timeOutReached = true;
        }
    }

    private boolean timeOutReached()
    {
        return timeOutReached;
    }

    private void computeTimeOut()
    {
        long currentTime = System.currentTimeMillis();
        timeOutReached =
            ((currentTime - startTime) >= (timeOutSeconds * 1000));
    }
}