org.apache.shiro.biz.utils.IDWorker Maven / Gradle / Ivy
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/**
* Copyright (c) 2011-2014, hubin ([email protected]).
*
* 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 org.apache.shiro.biz.utils;
import org.apache.shiro.biz.utils.uid.Sequence;
import java.util.UUID;
/**
*
* 高效GUID产生算法(sequence),基于Snowflake实现64位自增ID算法。
* 优化开源项目 http://git.oschina.net/yu120/sequence
*
*
* @author hubin
*/
public class IDWorker {
/**
* 主机和进程的机器码
*/
private static Sequence worker = new Sequence();
public static long getId() {
return worker.nextId();
}
/**
*
* 获取去掉"-" UUID
*
* @return 获取去掉"-" 的 UUID
*/
public static synchronized String get32UUID() {
return UUID.randomUUID().toString().replace("-", "");
}
}