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.impl;
18 import static org.wamblee.xmlrouter.impl.MessageUtil.*;
20 import java.util.logging.Level;
21 import java.util.logging.Logger;
23 import org.wamblee.xmlrouter.common.Id;
24 import org.wamblee.xmlrouter.config.ConfigException;
25 import org.wamblee.xmlrouter.config.Identifiable;
28 * Robust identifiable provides robustness for identifiable objects. It adds
29 * equality based on the id.
31 * @author Erik Brakkee
35 public class RobustIdentifiable<T> implements Identifiable<T> {
36 private static final Logger LOGGER = Logger
37 .getLogger(RobustIdentifiable.class.getName());
41 public RobustIdentifiable(String aPrefix, Identifiable<T> aIdentifiable) {
42 notNull("prefix", aPrefix);
43 notNull("identifiable", aIdentifiable);
45 id = aIdentifiable.getId();
47 throwConfigException("identifiable.getId() returned null", null);
49 id = new Id<T>(aPrefix + id.getId());
50 } catch (Exception e) {
51 throwConfigException("identifiable.getId() threw exception", e);
56 private void throwConfigException(String aMsg, Exception aException) {
57 LOGGER.log(Level.WARNING, aMsg, aException);
58 throw new ConfigException("id is null");
62 public Id<T> getId() {
67 public int hashCode() {
72 public boolean equals(Object aObj) {
76 if (!getClass().isInstance(aObj)) {
79 RobustIdentifiable<T> obj = (RobustIdentifiable<T>) aObj;
80 return id.equals(obj.getId());