int 类型的自增长ID生成类，支持多线程。

/* * @(#)IdGenerator.java              Project:androidkit * Date:2013-5-2 * * Copyright (c) 2013 CFuture09, Institute of Software,  * Guangdong Ocean University, Zhanjiang, GuangDong, China. * All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); *  you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *     http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.lurencun.cfuture09.androidkit.utils.lang;/** * @author Geek_Soledad ([e-mail]) */public interface IdGenerator<T> {   /**    * 生成下一个id并返回。    *     * @return 返回新的id.    */   public T next();
}
/** * int 类型的自增长ID生成类，支持多线程。 *  * @Author Geek_Soledad ([e-mail]) */public class IncreaseIntId implements IdGenerator<Integer> {   private AtomicInteger id;   public IncreaseIntId() {      id = new AtomicInteger();   }   public IncreaseIntId(int initialId) {      id = new AtomicInteger(initialId);   }   @Override   public Integer next() {      return id.incrementAndGet();   }}