moduleclassid.java

JXTA&#8482 is a set of open, generalized peer-to-peer (P2P) protocols that allow any networked devi

/*
 * Copyright (c) 2001-2007 Sun Microsystems, Inc.  All rights reserved.
 *  
 *  The Sun Project JXTA(TM) Software License
 *  
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions are met:
 *  
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  
 *  2. Redistributions in binary form must reproduce the above copyright notice, 
 *     this list of conditions and the following disclaimer in the documentation 
 *     and/or other materials provided with the distribution.
 *  
 *  3. The end-user documentation included with the redistribution, if any, must 
 *     include the following acknowledgment: "This product includes software 
 *     developed by Sun Microsystems, Inc. for JXTA(TM) technology." 
 *     Alternately, this acknowledgment may appear in the software itself, if 
 *     and wherever such third-party acknowledgments normally appear.
 *  
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must 
 *     not be used to endorse or promote products derived from this software 
 *     without prior written permission. For written permission, please contact 
 *     Project JXTA at http://www.jxta.org.
 *  
 *  5. Products derived from this software may not be called "JXTA", nor may 
 *     "JXTA" appear in their name, without prior written permission of Sun.
 *  
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
 *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN 
 *  MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
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 *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  
 *  JXTA is a registered trademark of Sun Microsystems, Inc. in the United 
 *  States and other countries.
 *  
 *  Please see the license information page at :
 *  <http://www.jxta.org/project/www/license.html> for instructions on use of 
 *  the license in source files.
 *  
 *  ====================================================================
 *  
 *  This software consists of voluntary contributions made by many individuals 
 *  on behalf of Project JXTA. For more information on Project JXTA, please see 
 *  http://www.jxta.org.
 *  
 *  This license is based on the BSD license adopted by the Apache Foundation. 
 */

package net.jxta.impl.id.CBID;


import net.jxta.impl.id.UUID.IDBytes;
import net.jxta.impl.id.UUID.UUID;
import net.jxta.impl.id.UUID.UUIDFactory;

import java.util.logging.Logger;


/**
 * An implementation of the {@link net.jxta.platform.ModuleClassID} ID Type.
 */
public final class ModuleClassID extends net.jxta.impl.id.UUID.ModuleClassID {

    /**
     * Log4J categorgy
     */
    private static final transient Logger LOG = Logger.getLogger(ModuleClassID.class.getName());

    /**
     * Constructor.
     * Intializes contents from provided ID.
     *
     * @param id the ID data
     */
    protected ModuleClassID(IDBytes id) {
        super(id);
    }

    /**
     * Constructor.
     * Creates a ModuleClassID in a given class, with a given class unique id.
     * A UUID of a class and another UUID are provided.
     *
     * @param classUUID the class to which this will belong.
     * @param roleUUID  the unique id of this role in that class.
     */
    protected ModuleClassID(UUID classUUID, UUID roleUUID) {
        super(classUUID, roleUUID);
    }

    /**
     * See {@link net.jxta.id.IDFactory.Instantiator#newModuleClassID()}.
     * <p/>
     * A new class UUID is created. The role ID is left null. This is the
     * only way to create a new class without supplying a new UUID explicitly.
     * <p/>
     * Note that a null role is just as valid as any other, it just has a
     * shorter string representation. So it is not mandatory to create a new
     * role in a new class.
     */
    public ModuleClassID() {
        this(UUIDFactory.newUUID(), new UUID(0L, 0L));
    }

    /**
     * See {@link net.jxta.id.IDFactory.Instantiator#newModuleClassID(net.jxta.platform.ModuleClassID)}.
     * @param classID the ModuleClassID 
     */
    public ModuleClassID(ModuleClassID classID) {
        this(classID.getClassUUID(), UUIDFactory.newUUID());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getIDFormat() {
        return IDFormat.INSTANTIATOR.getSupportedIDFormat();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public net.jxta.platform.ModuleClassID getBaseClass() {
        return new ModuleClassID(getClassUUID(), new UUID(0L, 0L));
    }

    /**
     * get the class' unique id
     *
     * @return UUID module class' unique id
     */
    @Override
    protected UUID getClassUUID() {
        return super.getClassUUID();
    }
}