| /* |
| * 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.ui.servcie.impl; |
| |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.shardingsphere.cluster.state.InstanceState; |
| import org.apache.shardingsphere.cluster.state.enums.NodeState; |
| import org.apache.shardingsphere.infra.yaml.engine.YamlEngine; |
| import org.apache.shardingsphere.ui.servcie.ClusterService; |
| import org.apache.shardingsphere.ui.servcie.RegistryCenterService; |
| import org.springframework.stereotype.Service; |
| import org.springframework.util.StringUtils; |
| |
| import javax.annotation.Resource; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Implementation of cluster service. |
| */ |
| @Service |
| @Slf4j |
| public final class ClusterServiceImpl implements ClusterService { |
| |
| @Resource |
| private RegistryCenterService registryCenterService; |
| |
| @Override |
| public Map<String, InstanceState> loadAllInstanceStates() { |
| List<String> instanceIds = registryCenterService.getActivatedRegistryCenter() |
| .getChildrenKeys(registryCenterService.getActivatedStateNode().getInstanceNodeRootPath()); |
| Map<String, InstanceState> instanceStateMap = new HashMap<>(); |
| instanceIds.forEach(each -> instanceStateMap.put(each, loadInstanceState(each))); |
| return instanceStateMap; |
| } |
| |
| private InstanceState loadInstanceState(final String instanceId) { |
| String instanceStateData = registryCenterService.getActivatedRegistryCenter() |
| .get(registryCenterService.getActivatedStateNode().getInstancesNodeFullPath(instanceId)); |
| if (StringUtils.isEmpty(instanceStateData)) { |
| log.error("can not load instance '{}' state data", instanceId); |
| return new InstanceState(NodeState.UNKNOWN, new HashMap<>()); |
| } |
| return YamlEngine.unmarshal(instanceStateData, InstanceState.class); |
| } |
| } |