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.api.services;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.PUT;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.annotations.ApiIgnore;
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.spi.Resource;
  
  /**
   * Service responsible for stage resource requests.
   */
  public class StageService extends BaseService {
    /**
     * Parent cluster name.
     */
    private String m_clusterName;
  
    /**
     * Parent request id.
     */
    private String m_requestId;
  
    // ----- Constructors ------------------------------------------------------
  
    /**
     * Constructor.
     *
     * @param clusterName  cluster id
     * @param requestId    request id
     */
    public StageService(String clusterName, String requestId) {
      m_clusterName = clusterName;
      m_requestId = requestId;
    }
  
    // ----- StageService ------------------------------------------------------
  
    /**
     * Handles URL: /clusters/{clusterID}/requests/{requestID}/stages/{stageID} or
     * /requests/{requestId}/stages/{stageID}
     * Get a specific stage.
     *
     * @param headers  http headers
     * @param ui       uri info
     * @param stageId  stage id
     *
     * @return stage resource representation
     */
    @GET @ApiIgnore // until documented
    @Path("{stageId}")
    @Produces("text/plain")
    public Response getStage(String body, @Context HttpHeaders headers, @Context UriInfo ui,
                             @PathParam("stageId") String stageId) {
  
      return handleRequest(headers, body, ui, Request.Type.GET,
          createStageResource(m_clusterName, m_requestId, stageId));
    }
  
    /**
     * Handles URL: /clusters/{clusterId}/requests/{requestID}/stages or /requests/{requestID}/stages
     * Get all stages for a request.
     *
     * @param headers  http headers
     * @param ui       uri info
     *
     * @return stage collection resource representation
     */
    @GET @ApiIgnore // until documented
    @Produces("text/plain")
    public Response getStages(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.GET,
          createStageResource(m_clusterName, m_requestId, null));
    }
  
    /**
     * Gets the tasks sub-resource.
     */
    @Path("{stageId}/tasks")
    public TaskService getTaskHandler(@PathParam("stageId") String stageId) {
      return new TaskService(m_clusterName, m_requestId, stageId);
    }
  
    /**
     * Handles: PUT /clusters/{clusterId}/requests/{requestId}/stages/{stageId} or /requests/{requestId}/stages/{stageId}
     * Change state of existing stages.
     *
     * @param body        http body
     * @param headers     http headers
     * @param ui          uri info
     * @return information regarding the created services
     */
    @PUT @ApiIgnore // until documented
    @Path("{stageId}")
    @Produces("text/plain")
    public Response updateStages(String body, @Context HttpHeaders headers, @Context UriInfo ui,
                                 @PathParam("stageId") String stageId) {
      return handleRequest(headers, body, ui, Request.Type.PUT, createStageResource(m_clusterName, m_requestId, stageId));
    }
  
    /**
     * Handles: POST /clusters/{clusterId}/requests/{requestId}/stages or /requests/{requestId}/stages
     * Create multiple services.
     *
     * @param body        http body
     * @param headers     http headers
     * @param ui          uri info
     * @return information regarding the created services
     */
    @POST @ApiIgnore // until documented
    @Produces("text/plain")
    public Response createStages(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
  
      return handleRequest(headers, body, ui, Request.Type.POST, createStageResource(m_clusterName, m_requestId, null));
    }
  
    /**
     * Create a stage resource instance.
     *
     * @param clusterName  cluster name
     * @param requestId    request id
     * @param stageId      stage id
     *
     * @return a stage resource instance
     */
    ResourceInstance createStageResource(String clusterName, String requestId, String stageId) {
      Map<Resource.Type,String> mapIds = new HashMap<>();
  
      if (clusterName != null) {
        mapIds.put(Resource.Type.Cluster, clusterName);
      }
      mapIds.put(Resource.Type.Request, requestId);
      mapIds.put(Resource.Type.Stage, stageId);
  
      return createResource(Resource.Type.Stage, mapIds);
    }
  }
  