1 package org.apache.commons.jcs.engine.control.event.behavior; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.io.IOException; 23 24 /** 25 * Interface for an element event queue. An event queue is used to propagate 26 * ordered element events in one region. 27 * 28 */ 29 public interface IElementEventQueue 30 { 31 /** 32 * Adds an ElementEvent to be handled 33 * 34 * @param hand 35 * The IElementEventHandler 36 * @param event 37 * The IElementEventHandler IElementEvent event 38 * @throws IOException 39 */ 40 <T> void addElementEvent( IElementEventHandler hand, IElementEvent<T> event ) 41 throws IOException; 42 43 /** 44 * Destroy the event queue 45 * 46 */ 47 void dispose(); 48 }