| /* |
| * 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; |
| |
| /** |
| * <tt>Subscriber</tt> registers its interest in a class of events and |
| * filters the events of which it should be notified. |
| * |
| * @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 {@link org.apache.cocoon.portal.event.Receiver} instead. |
| * |
| * @version CVS $Id$ |
| */ |
| public interface Subscriber { |
| |
| /** |
| * Returns the event type of the event on which the Subscriber is interested. |
| * The event type is encoded by a <tt>Class</tt>. |
| * |
| * @return the <tt>Class</tt> encoding the event type |
| */ |
| Class getEventType(); |
| |
| /** |
| * Returns the filter used to select the events in which the subscriber is |
| * interested. |
| * |
| * @return the <tt>Filter</tt> |
| */ |
| Filter getFilter(); |
| |
| /** |
| * Callback method informing the Subscriber of the occurence of an event. |
| * |
| * @param event the <tt>Event</tt> of which the <tt>Subscriber</tt> is informed |
| */ |
| void inform( Event event ); |
| } |