2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.xmlrouter.config;
18 import org.wamblee.xmlrouter.common.Id;
21 * Classes implementing this interface must provide a unique id to identify
22 * their contents and behavior. If the content or behavior of an object changes,
23 * then a different id should be returned. Conversely, it is required for the id
24 * to keep as constant as possible. Also, a given object should return the same
25 * id throughout its lifecycle (from the moment it's {@link #getId()} method is
26 * called until the moment it can no longer be referenced.
28 * @author Erik Brakkee
31 public interface Identifiable<T> {
34 * Returns the unique id for the object.