| /* |
| * Copyright 1999-2002,2004 The Apache Software Foundation. |
| * |
| * Licensed 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 |
| * |
| * @version CVS $Id: Filter.java,v 1.2 2004/03/05 13:02:11 bdelacretaz Exp $ |
| */ |
| 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 ); |
| |
| } |
| |
| |
| |
