| /* |
| * 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.config.app; |
| |
| import org.apache.shardingsphere.elasticjob.cloud.reg.base.CoordinatorRegistryCenter; |
| import com.google.common.base.Optional; |
| import lombok.RequiredArgsConstructor; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Cloud app configuration service. |
| */ |
| @RequiredArgsConstructor |
| public final class CloudAppConfigurationService { |
| |
| private final CoordinatorRegistryCenter regCenter; |
| |
| /** |
| * Add cloud app configuration. |
| * |
| * @param appConfig cloud app configuration |
| */ |
| public void add(final CloudAppConfiguration appConfig) { |
| regCenter.persist(CloudAppConfigurationNode.getRootNodePath(appConfig.getAppName()), CloudAppConfigurationGsonFactory.toJson(appConfig)); |
| } |
| |
| /** |
| * Update cloud app configuration. |
| * |
| * @param appConfig cloud app configuration |
| */ |
| public void update(final CloudAppConfiguration appConfig) { |
| regCenter.update(CloudAppConfigurationNode.getRootNodePath(appConfig.getAppName()), CloudAppConfigurationGsonFactory.toJson(appConfig)); |
| } |
| |
| /** |
| * Load app configuration by app name. |
| * |
| * @param appName application name |
| * @return cloud app configuration |
| */ |
| public Optional<CloudAppConfiguration> load(final String appName) { |
| return Optional.fromNullable(CloudAppConfigurationGsonFactory.fromJson(regCenter.get(CloudAppConfigurationNode.getRootNodePath(appName)))); |
| } |
| |
| /** |
| * Load all registered cloud app configurations. |
| * |
| * @return collection of the registered cloud app configuration |
| */ |
| public Collection<CloudAppConfiguration> loadAll() { |
| if (!regCenter.isExisted(CloudAppConfigurationNode.ROOT)) { |
| return Collections.emptyList(); |
| } |
| List<String> appNames = regCenter.getChildrenKeys(CloudAppConfigurationNode.ROOT); |
| Collection<CloudAppConfiguration> result = new ArrayList<>(appNames.size()); |
| for (String each : appNames) { |
| Optional<CloudAppConfiguration> config = load(each); |
| if (config.isPresent()) { |
| result.add(config.get()); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Remove cloud app configuration by app name. |
| * |
| * @param appName to be removed application name |
| */ |
| public void remove(final String appName) { |
| regCenter.remove(CloudAppConfigurationNode.getRootNodePath(appName)); |
| } |
| } |