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.controller;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.actionmanager.Stage;
  import org.apache.ambari.server.controller.internal.RequestStageContainer;
  import org.apache.ambari.server.metadata.RoleCommandOrder;
  import org.apache.ambari.server.stageplanner.RoleGraph;
  import org.apache.ambari.server.stageplanner.RoleGraphFactory;
  
  /**
   * An extension of RequestStageContainer that takes the role command order into consideration when adding stages
   */
  public class OrderedRequestStageContainer {
    private final RoleGraphFactory roleGraphFactory;
    private final RoleCommandOrder roleCommandOrder;
    private final RequestStageContainer requestStageContainer;
  
    public OrderedRequestStageContainer(RoleGraphFactory roleGraphFactory, RoleCommandOrder roleCommandOrder, RequestStageContainer requestStageContainer) {
      this.roleGraphFactory = roleGraphFactory;
      this.roleCommandOrder = roleCommandOrder;
      this.requestStageContainer = requestStageContainer;
    }
  
    public void addStage(Stage stage) throws AmbariException {
      RoleGraph roleGraph = roleGraphFactory.createNew(roleCommandOrder);
      roleGraph.build(stage);
      requestStageContainer.addStages(roleGraph.getStages());
    }
  
    public long getLastStageId() {
      return requestStageContainer.getLastStageId();
    }
  
    public long getId() {
      return requestStageContainer.getId();
    }
  
    public RequestStageContainer getRequestStageContainer() {
      return requestStageContainer;
    }
  }
  