Java tutorial
/* * Copyright 1999-2015 dangdang.com. * <p> * 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. * </p> */ package com.dangdang.ddframe.job.cloud.state; import com.google.common.base.Joiner; import com.google.common.base.Splitter; import lombok.Getter; import java.util.List; import java.util.UUID; /** * UUID??. * * @author zhangliang */ @Getter public final class UniqueJob { private static final String DELIMITER = "@-@"; private final String jobName; private final String uniqueName; public UniqueJob(final String jobName) { this.jobName = jobName; uniqueName = Joiner.on(DELIMITER).join(jobName, UUID.randomUUID().toString()); } public UniqueJob(final String jobName, final String uuid) { this.jobName = jobName; uniqueName = Joiner.on(DELIMITER).join(jobName, uuid); } /** * ????. * * @param uniqueName ?? * @return UUID?? */ public static UniqueJob from(final String uniqueName) { List<String> target = Splitter.on(DELIMITER).splitToList(uniqueName); return new UniqueJob(target.get(0), target.get(1)); } }