content: /*
   * 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.state.repository;
  
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.google.gson.annotations.SerializedName;
  
  /**
   * For a version, collects summary information for a cluster.
   */
  public class ClusterVersionSummary {
  
    @SerializedName("services")
    @JsonProperty("services")
    private Map<String, ServiceVersionSummary> m_services;
  
    private transient Set<String> m_available = new HashSet<>();
  
    ClusterVersionSummary(Map<String, ServiceVersionSummary> services) {
      m_services = services;
  
      for (Map.Entry<String, ServiceVersionSummary> entry : services.entrySet()) {
        if (entry.getValue().isUpgrade()) {
          m_available.add(entry.getKey());
        }
      }
    }
  
    /**
     * @return service names that should participate in an upgrade, based on
     * the VDF contents.
     */
    @JsonIgnore
    public Set<String> getAvailableServiceNames() {
      return m_available;
    }
  
  }
  