de.jakop.lotus.domingo.monitor.NullMonitor Maven / Gradle / Ivy

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/*
 * This file is part of Domingo
 * an Open Source Java-API to Lotus Notes/Domino
 * originally hosted at http://domingo.sourceforge.net, now available
 * at https://github.com/fjakop/domingo
 *
 * Copyright (c) 2003-2007 Beck et al. projects GmbH Munich, Germany (http://www.bea.de)
 *
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package de.jakop.lotus.domingo.monitor;


/**
 * Null monitor, simply does nothing.
 *
 * @author Kurt Riede
 */
public final class NullMonitor extends AbstractDefaultMonitor {

    /** Singleton instance of this passive null monitor. */
    private static final NullMonitor INSTANCE = new NullMonitor();

    /**
     * Constructor.
     */
    private NullMonitor() {
    }

    /**
     * Returns a singleton instance of the null monitor.
     *
     * @return singleton instance of the null monitor
     */
    public static NullMonitor getInstance() {
        return INSTANCE;
    }

    /**
     * Monitor a message.
     *
     * @param message the message
     */
    protected void monitor(final String message) {
    }

    /**
     * Monitor a throwable.
     *
     * @param throwable the throwable
     */
    protected void monitor(final Throwable throwable) {
    }
}