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.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;
  
  /**
   * Endpoint for cluster upgrade items.
   */
  public class UpgradeItemService extends BaseService {
  
    private String m_clusterName = null;
    private String m_upgradeId = null;
    private String m_upgradeGroupId = null;
  
    UpgradeItemService(String clusterName, String upgradeId, String upgradeGroupId) {
      m_clusterName = clusterName;
      m_upgradeId = upgradeId;
      m_upgradeGroupId = upgradeGroupId;
    }
  
    @GET @ApiIgnore // until documented
    @Produces("text/plain")
    public Response getUpgrades(
        @Context HttpHeaders headers,
        @Context UriInfo ui) {
      return handleRequest(headers, null, ui, Request.Type.GET,
          createResourceInstance(null));
    }
  
    @GET @ApiIgnore // until documented
    @Path("{upgradeItemId}")
    @Produces("text/plain")
    public Response getUpgradeItem(String body,
        @Context HttpHeaders headers,
        @Context UriInfo ui, @PathParam("upgradeItemId") Long id) {
      return handleRequest(headers, body, ui, Request.Type.GET,
          createResourceInstance(id));
    }
  
    /**
     * Handles:
     * PUT /clusters/{clusterId}/upgrades/{upgradeId}/upgrade_groups/{upgradeGroupId}/upgrade_items/{upgradeItemId}
     *
     * Change state of existing upgrade item.
     *
     * @param body     http body
     * @param headers  http headers
     * @param ui       uri info
     * @param id       the upgrade item id
     *
     * @return information regarding the created services
     */
    @PUT @ApiIgnore // until documented
    @Path("{upgradeItemId}")
    @Produces("text/plain")
    public Response updateUpgradeItem(String body,
                                      @Context HttpHeaders headers,
                                      @Context UriInfo ui, @PathParam("upgradeItemId") Long id) {
      return handleRequest(headers, body, ui, Request.Type.PUT, createResourceInstance(id));
    }
  
    @Path("{upgradeItemId}/tasks")
    public TaskService getTasks(
        @Context HttpHeaders headers,
        @Context UriInfo ui,
        @PathParam("upgradeItemId") Long id) {
      return new TaskService(m_clusterName, m_upgradeId, id.toString());
    }
  
    /**
     * @param upgradeItemId the specific item id
     * @return the resource instance
     */
    ResourceInstance createResourceInstance(Long upgradeItemId) {
      Map<Resource.Type, String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.Cluster, m_clusterName);
      mapIds.put(Resource.Type.Upgrade, m_upgradeId);
      mapIds.put(Resource.Type.UpgradeGroup, m_upgradeGroupId);
  
      if (null != upgradeItemId) {
        mapIds.put(Resource.Type.UpgradeItem, upgradeItemId.toString());
      }
  
      return createResource(Resource.Type.UpgradeItem, mapIds);
    }
  }
  