/*

 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.jvmstat.perfdata.monitor.protocol.local;

import sun.jvmstat.monitor.*;

import sun.jvmstat.perfdata.monitor.MonitorStatus;

import java.util.*;

import java.util.regex.*;

import java.io.*;

/**

 * Singleton Timer subclass to run polling tasks that generate events

 * for local Java Virtual Machines..

 *

 * @author Brian Doherty

 * @since 1.5

 */

public class LocalEventTimer extends Timer {

    private static LocalEventTimer instance;   // singleton instance

    /**

     * Creates the singleton LocalEventTimer instance.

     */

    private LocalEventTimer() {

        super(true);

    }

    /**

     * Get the singleton LocalEventTimer instance

     *

     * @return LocalEventTimer - the singleton LocalEventTimer instance

     */

    public static synchronized LocalEventTimer getInstance() {

        if (instance == null) {

            instance = new LocalEventTimer();

        }

        return instance;

    }

}