head	1.2;
access;
symbols;
locks; strict;
comment	@# @;


1.2
date	2001.08.01.00.46.29;	author dlr;	state dead;
branches;
next	1.1;

1.1
date	2001.07.31.21.24.11;	author dlr;	state Exp;
branches;
next	;


desc
@@


1.2
log
@Splitting interface into two parts.
@
text
@/* ================================================================
 * Copyright (c) 2000-2001 CollabNet.  All rights reserved.
 * 
 * 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 acknowlegement: "This product includes
 * software developed by CollabNet (http://www.collab.net/)."
 * Alternately, this acknowlegement may appear in the software itself, if
 * and wherever such third-party acknowlegements normally appear.
 * 
 * 4. The hosted project names must not be used to endorse or promote
 * products derived from this software without prior written
 * permission. For written permission, please contact info@@collab.net.
 * 
 * 5. Products derived from this software may not use the "Tigris" name
 * nor may "Tigris" appear in their names without prior written
 * permission of CollabNet.
 * 
 * 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 COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many
 * individuals on behalf of CollabNet.
 */

package org.tigris.helm.tool.cluster;

import org.apache.turbine.util.TurbineException;

import org.tigris.helm.event.ClusterEvent;

/**
 * A cluster participant, governed by {@@link Governance}.  Registers
 * as a listener with {@@link ClusterService}.
 *
 * @@author <a href="mailto:dlr@@collab.net">Daniel Rall</a>
 * @@version $Id: ClusterCitizen.java,v 1.1 2001/07/31 21:24:11 dlr Exp $
 */
public interface ClusterCitizen extends ClusteredListener
{
    /**
     * Returns text describing this citizen.
     */
    public String getDescriptor();

    /**
     * Callback invoked on this listener by the {@@link ClusterService}
     * on reception of an event.
     */
    public void eventReceived(ClusterEvent event)
        throws TurbineException;

    /**
     * Casts a vote in cluster-wide elections.
     *
     * @@return This citizen's bid for election victory.  Lower values
     * indicate a higher chance of winning the election.
     */
    public float bid()
        throws TurbineException;
}
@


1.1
log
@Cluster participant listener interface.
@
text
@d58 1
a58 1
 * @@version $Id: ClusterService.java,v 1.14 2001/04/16 22:13:47 dlr Exp $
@

