/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 2002,
*
* Arjuna Technologies Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: GlobalId.java,v 1.1 2002/11/25 10:51:41 nmcl Exp $
*/
package com.arjuna.mw.wsas.common;
/**
* Implementations of this interface provide globally unique identifications
* for activities.
*
* @author Mark Little (mark.little@arjuna.com)
* @version $Id: GlobalId.java,v 1.1 2002/11/25 10:51:41 nmcl Exp $
* @since 1.0.
*/
public interface GlobalId
{
/**
* Two instances are identical if their targets are the same.
*/
public boolean equals (Object obj);
/**
* @return the byte stream representing this instance.
*/
public byte[] value ();
/**
* @return <code>true</code> if this instance is valid, <code>false</code>
* otherwise.
*/
public boolean valid ();
}