1 package org.apache.commons.jcs3.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 public interface IElementEventQueue 29 { 30 /** 31 * Adds an ElementEvent to be handled 32 * 33 * @param hand 34 * The IElementEventHandler 35 * @param event 36 * The IElementEventHandler IElementEvent event 37 * @throws IOException 38 */ 39 <T> void addElementEvent( IElementEventHandler hand, IElementEvent<T> event ) 40 throws IOException; 41 42 /** 43 * Destroy the event queue 44 * 45 */ 46 void dispose(); 47 }