| /* |
| * 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.state.disable.app; |
| |
| import org.apache.shardingsphere.elasticjob.cloud.scheduler.env.BootstrapEnvironment; |
| import org.apache.shardingsphere.elasticjob.cloud.reg.base.CoordinatorRegistryCenter; |
| import lombok.extern.slf4j.Slf4j; |
| |
| /** |
| * Disable app service. |
| */ |
| @Slf4j |
| public class DisableAppService { |
| |
| private final BootstrapEnvironment env = BootstrapEnvironment.getInstance(); |
| |
| private final CoordinatorRegistryCenter regCenter; |
| |
| public DisableAppService(final CoordinatorRegistryCenter regCenter) { |
| this.regCenter = regCenter; |
| } |
| |
| /** |
| * Add application name to disable queue. |
| * |
| * @param appName application name |
| */ |
| public void add(final String appName) { |
| if (regCenter.getNumChildren(DisableAppNode.ROOT) > env.getFrameworkConfiguration().getJobStateQueueSize()) { |
| log.warn("Cannot add disable app, caused by read state queue size is larger than {}.", env.getFrameworkConfiguration().getJobStateQueueSize()); |
| return; |
| } |
| String disableAppNodePath = DisableAppNode.getDisableAppNodePath(appName); |
| if (!regCenter.isExisted(disableAppNodePath)) { |
| regCenter.persist(disableAppNodePath, appName); |
| } |
| } |
| |
| /** |
| * Remove application name from disable queue. |
| * |
| * @param appName application name |
| */ |
| public void remove(final String appName) { |
| regCenter.remove(DisableAppNode.getDisableAppNodePath(appName)); |
| } |
| |
| /** |
| * Check whether the application name is disabled or not. |
| * |
| * @param appName application name |
| * @return true is in the disable queue, otherwise not |
| */ |
| public boolean isDisabled(final String appName) { |
| return regCenter.isExisted(DisableAppNode.getDisableAppNodePath(appName)); |
| } |
| } |