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.Role;
  import org.apache.ambari.server.RoleCommand;
  import org.apache.ambari.server.orm.entities.HostRoleCommandEntity;
  import org.apache.ambari.server.state.Host;
  import org.apache.ambari.server.state.ServiceComponentHostEvent;
  
  public interface HostRoleCommandFactory {
  
    /**
     * Constructor via factory.
     *
     * @param hostName
     *          Host name
     * @param role
     *          Action to run
     * @param event
     *          Event on the host and component
     * @param command
     *          Type of command
     * @return An instance constructed where retryAllowed defaults to false
     */
    HostRoleCommand create(String hostName, Role role, ServiceComponentHostEvent event,
        RoleCommand command);
  
    /**
     * Constructor via factory.
     *
     * @param hostName
     *          Host name
     * @param role
     *          Action to run
     * @param event
     *          Event on the host and component
     * @param command
     *          Type of command
     * @param retryAllowed
     *          Whether the command can be repeated
     * @param autoSkipFailure
     *          {@code true} if the command should be automatically skipped if it
     *          fails.
     * @return An instance of a HostRoleCommand.
     */
    HostRoleCommand create(String hostName, Role role, ServiceComponentHostEvent event,
        RoleCommand command, boolean retryAllowed, boolean autoSkipFailure);
  
    /**
     * Constructor via factory.
     *
     * @param host
     *          Host object
     * @param role
     *          Action to run
     * @param event
     *          Event on the host and component
     * @param command
     *          Type of command
     * @param retryAllowed
     *          Whether the command can be repeated
     * @param autoSkipFailure
     *          {@code true} if the command should be automatically skipped if it
     *          fails.
     * @return An instance of a HostRoleCommand.
     */
    HostRoleCommand create(Host host, Role role, ServiceComponentHostEvent event, RoleCommand command,
        boolean retryAllowed, boolean autoSkipFailure);
  
    /**
     * Constructor via factory
     *
     * @param hostRoleCommandEntity
     *          Object to copy fields from.
     * @return An instance constructed from the input object.
     */
    HostRoleCommand createExisting(HostRoleCommandEntity hostRoleCommandEntity);
  }
  