TaskProgress.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package com.hp.mwtests.ts.jts.utils;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * Class for threads to report forward progress (@see TaskMonitor.monitorProgress)
 */
public class TaskProgress extends AtomicInteger {
    private boolean finished = false;

    public TaskProgress(int initialValue) {
        super(initialValue);
    }

    public boolean isFinished() {
        return finished;
    }

    /**
     * Indicate that the associated thread no longer need to be monitored
     */
    public void setFinished() {
        this.finished = true;
    }

    /**
     * report forward progress
     */
    public void tick() {
        if (finished)
            System.err.println("request to progress a finished task");
        else
            incrementAndGet();
    }
}