| /* |
| * 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.ambari.server.view; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.ambari.server.state.Config; |
| import org.apache.ambari.server.state.ServiceComponentHost; |
| import org.apache.ambari.view.cluster.Cluster; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| /** |
| * View associated cluster implementation. |
| */ |
| public class ClusterImpl implements Cluster { |
| |
| /** |
| * The associated Ambari cluster. |
| */ |
| private final org.apache.ambari.server.state.Cluster cluster; |
| |
| |
| // ----- Constructors ------------------------------------------------------ |
| |
| /** |
| * Create a view associated cluster from an Ambari cluster. |
| * |
| * @param cluster the Ambari cluster |
| */ |
| public ClusterImpl(org.apache.ambari.server.state.Cluster cluster) { |
| this.cluster = cluster; |
| } |
| |
| |
| // ----- Cluster ----------------------------------------------------------- |
| |
| @Override |
| public String getName() { |
| return cluster.getClusterName(); |
| } |
| |
| @Override |
| public String getConfigurationValue(String type, String key) { |
| |
| Config config = cluster.getDesiredConfigByType(type); |
| |
| return config == null ? null : config.getProperties().get(key); |
| } |
| |
| @Override |
| public Map<String, String> getConfigByType(String type) { |
| Config configs = cluster.getDesiredConfigByType(type); |
| return ImmutableMap.copyOf(configs.getProperties()); |
| } |
| |
| @Override |
| public List<String> getHostsForServiceComponent(String serviceName, String componentName){ |
| List<ServiceComponentHost> serviceComponentHosts = cluster.getServiceComponentHosts(serviceName, componentName); |
| List<String> hosts = new ArrayList<>(); |
| for (ServiceComponentHost serviceComponentHost : serviceComponentHosts) { |
| hosts.add(serviceComponentHost.getHostName()); |
| } |
| return hosts; |
| } |
| |
| } |