| /* |
| * 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.lite.internal.listener; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.state.ConnectionState; |
| import org.apache.curator.framework.state.ConnectionStateListener; |
| import org.apache.shardingsphere.elasticjob.lite.internal.instance.InstanceService; |
| import org.apache.shardingsphere.elasticjob.lite.internal.schedule.JobRegistry; |
| import org.apache.shardingsphere.elasticjob.lite.internal.schedule.JobScheduleController; |
| import org.apache.shardingsphere.elasticjob.lite.internal.server.ServerService; |
| import org.apache.shardingsphere.elasticjob.lite.internal.sharding.ExecutionService; |
| import org.apache.shardingsphere.elasticjob.lite.internal.sharding.ShardingService; |
| import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter; |
| |
| /** |
| * Registry center connection state listener. |
| */ |
| public final class RegistryCenterConnectionStateListener implements ConnectionStateListener { |
| |
| private final String jobName; |
| |
| private final ServerService serverService; |
| |
| private final InstanceService instanceService; |
| |
| private final ShardingService shardingService; |
| |
| private final ExecutionService executionService; |
| |
| public RegistryCenterConnectionStateListener(final CoordinatorRegistryCenter regCenter, final String jobName) { |
| this.jobName = jobName; |
| serverService = new ServerService(regCenter, jobName); |
| instanceService = new InstanceService(regCenter, jobName); |
| shardingService = new ShardingService(regCenter, jobName); |
| executionService = new ExecutionService(regCenter, jobName); |
| } |
| |
| @Override |
| public void stateChanged(final CuratorFramework client, final ConnectionState newState) { |
| if (JobRegistry.getInstance().isShutdown(jobName)) { |
| return; |
| } |
| JobScheduleController jobScheduleController = JobRegistry.getInstance().getJobScheduleController(jobName); |
| if (ConnectionState.SUSPENDED == newState || ConnectionState.LOST == newState) { |
| jobScheduleController.pauseJob(); |
| } else if (ConnectionState.RECONNECTED == newState) { |
| serverService.persistOnline(serverService.isEnableServer(JobRegistry.getInstance().getJobInstance(jobName).getServerIp())); |
| instanceService.persistOnline(); |
| executionService.clearRunningInfo(shardingService.getLocalShardingItems()); |
| jobScheduleController.resumeJob(); |
| } |
| } |
| } |