1 /* 2 * $Id: RefreshMonitor.java 666834 2008-06-11 20:49:05Z apetrelli $ 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 package org.apache.tiles.definition; 22 23 /** 24 * Implementing this interface means that the object monitors the sources it 25 * uses to check when they change. 26 * 27 * @version $Rev: 666834 $ $Date: 2008-06-12 06:49:05 +1000 (Thu, 12 Jun 2008) $ 28 * @since 2.1.0 29 */ 30 public interface RefreshMonitor { 31 32 /** 33 * Indicates whether the sources are out of date and need to be reloaded. 34 * 35 * @return <code>true</code> if the sources need to be refreshed. 36 * @since 2.1.0 37 */ 38 boolean refreshRequired(); 39 }