| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.shardingsphere.elasticjob.cloud.scheduler.ha; |
| |
| import com.google.common.base.Strings; |
| import lombok.RequiredArgsConstructor; |
| import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter; |
| |
| import java.util.Optional; |
| |
| /** |
| * FrameworkID service. |
| */ |
| @RequiredArgsConstructor |
| public final class FrameworkIDService { |
| |
| private final CoordinatorRegistryCenter regCenter; |
| |
| /** |
| * Fetch framework ID. |
| * |
| * @return framework ID |
| */ |
| public Optional<String> fetch() { |
| String frameworkId = regCenter.getDirectly(HANode.FRAMEWORK_ID_NODE); |
| return Strings.isNullOrEmpty(frameworkId) ? Optional.empty() : Optional.of(frameworkId); |
| } |
| |
| /** |
| * Save framework ID. |
| * |
| * @param id framework ID |
| */ |
| public void save(final String id) { |
| if (!regCenter.isExisted(HANode.FRAMEWORK_ID_NODE)) { |
| regCenter.persist(HANode.FRAMEWORK_ID_NODE, id); |
| } |
| } |
| } |