/**
 * 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.controller.metrics.ganglia;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.apache.ambari.server.configuration.ComponentSSLConfiguration;
import org.apache.ambari.server.controller.internal.PropertyInfo;
import org.apache.ambari.server.controller.internal.URLStreamProvider;
import org.apache.ambari.server.controller.metrics.MetricHostProvider;
import org.apache.ambari.server.controller.spi.Resource;

/**
 * Ganglia property provider implementation for host resources.
 */
public class GangliaHostPropertyProvider extends GangliaPropertyProvider {

  /**
   * Set of Ganglia cluster names.
   */
  private static final Set<String> GANGLIA_CLUSTER_NAMES = new HashSet<>();

  static {
    GANGLIA_CLUSTER_NAMES.add("HDPNameNode");
    GANGLIA_CLUSTER_NAMES.add("HDPSlaves");
    GANGLIA_CLUSTER_NAMES.add("HDPJobTracker");
    GANGLIA_CLUSTER_NAMES.add("HDPResourceManager");
    GANGLIA_CLUSTER_NAMES.add("HDPHBaseMaster");
    GANGLIA_CLUSTER_NAMES.add("HDPHistoryServer");
    GANGLIA_CLUSTER_NAMES.add("HDPNameNode");
    GANGLIA_CLUSTER_NAMES.add("HDPTaskTracker");
    GANGLIA_CLUSTER_NAMES.add("HDPHBaseRegionServer");
    GANGLIA_CLUSTER_NAMES.add("HDPFlumeServer");
    GANGLIA_CLUSTER_NAMES.add("HDPJournalNode");
  }

  // ----- Constructors ------------------------------------------------------

  public GangliaHostPropertyProvider(Map<String, Map<String, PropertyInfo>> componentPropertyInfoMap,
                                     URLStreamProvider streamProvider,
                                     ComponentSSLConfiguration configuration,
                                     MetricHostProvider hostProvider,
                                     String clusterNamePropertyId,
                                     String hostNamePropertyId) {

    super(componentPropertyInfoMap, streamProvider, configuration, hostProvider,
        clusterNamePropertyId, hostNamePropertyId, null);
  }


  // ----- GangliaPropertyProvider -------------------------------------------

  @Override
  protected String getHostName(Resource resource) {
    return (String) resource.getPropertyValue(getHostNamePropertyId());
  }

  @Override
  protected String getComponentName(Resource resource) {
    return "*";
  }

  @Override
  protected Set<String> getGangliaClusterNames(Resource resource, String clusterName) {
    return GANGLIA_CLUSTER_NAMES;
  }
}