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.actionmanager;
  
  import org.apache.ambari.server.orm.dao.HostRoleCommandDAO;
  import org.apache.ambari.server.orm.entities.StageEntity;
  import org.apache.ambari.server.state.Clusters;
  
  import com.google.inject.Inject;
  import com.google.inject.Injector;
  import com.google.inject.Singleton;
  import com.google.inject.assistedinject.Assisted;
  
  @Singleton
  public class StageFactoryImpl implements StageFactory {
    private Injector injector;
  
    @Inject
    public StageFactoryImpl(Injector injector) {
      this.injector = injector;
    }
  
    /**
     * Constructor via the factory.
     * @param requestId Unique identifier for the request
     * @param logDir Directory to log to
     * @param clusterName Cluster name
     * @param clusterId Cluster ID
     * @param requestContext Information about the context of the request
     * @param commandParamsStage Information about the command parameters
     * @param hostParamsStage Information about the host parameters for the stage
     * @return An instance of a Stage with the provided params.
     */
    @Override
    public Stage createNew(long requestId,
                           @Assisted("logDir") String logDir,
                           @Assisted("clusterName") String clusterName,
                           @Assisted("clusterId") long clusterId,
                           @Assisted("requestContext") String requestContext,
                           @Assisted("commandParamsStage") String commandParamsStage,
                           @Assisted("hostParamsStage") String hostParamsStage) {
      return new Stage(requestId, logDir, clusterName, clusterId, requestContext, commandParamsStage, hostParamsStage,
          injector.getInstance(HostRoleCommandFactory.class),
          injector.getInstance(ExecutionCommandWrapperFactory.class));
    }
  
    /**
     * Constructor via the factory.
     * @param stageEntity Existing stage entity to copy fields form.
     * @return An instance of a Stage that is created using the provided stage as input.
     */
    @Override
    public Stage createExisting(@Assisted StageEntity stageEntity) {
      return new Stage(stageEntity, injector.getInstance(HostRoleCommandDAO.class),
          injector.getInstance(ActionDBAccessor.class), injector.getInstance(Clusters.class),
          injector.getInstance(HostRoleCommandFactory.class),
          injector.getInstance(ExecutionCommandWrapperFactory.class));
    }
  }
  