/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.portal.event;
import java.io.Serializable;
/**
* A Filter allows subscribers to specify which events
* they should be informed of.
* It is Serializable to allow events to be published and received
* in a distributed architecture.
*
* @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
* @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
* @author Mauro Talevi
* @deprecated Use the receiver instead.
*
* @version CVS $Id$
*/
public interface Filter extends Serializable {
/**
* Filters event, discarding those not of interest to the subscriber.
*
* @param event the <tt>Event</tt>
* @return boolean <code>true</code> if Event passes filter
*/
boolean filter( Event event );
}