org.coos.messaging.jmx.AbstractWrapper Maven / Gradle / Ivy

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/**
 * COOS - Connected Objects Operating System (www.connectedobjects.org).
 *
 * Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see .
 *
 * You may also contact one of the following for additional information:
 * Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no)
 * Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
 */
package org.coos.messaging.jmx;

/**
 * Base class to created JMX wrapper for instrumenting objects for monitoring.
 * 
 * @author Robert Bjarum, Tellu AS
 * @since 1.1
 * 
 */
public abstract class AbstractWrapper implements ManagedObject, Comparable {
	private String objectName = null;

	public String createObjectName() {
		return "org.coos.messaging:";
	}

	public final String getObjectName() {
		if (objectName == null) {
			objectName = createObjectName();
		}
		return objectName;
	}

	public int compareTo(ManagedObject obj) {
		if (obj == this) {
			return 0;
		}
		String myname = getObjectName();
		String another = obj.getObjectName();
		return myname.compareTo(another);
	}

	@Override
	public boolean equals(Object obj) {
		if (obj == this)
			return true;
		if (obj instanceof ManagedObject) {
			String myname = getObjectName();
			String another = ((ManagedObject) obj).getObjectName();
			return myname.equals(another);
		} else {
			return false;
		}
	}

	@Override
	public int hashCode() {
		return getObjectName().hashCode();
	}

	@Override
	public String toString() {
		return getObjectName();
	}

}