| /** |
| * 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 org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.controller.spi.Resource; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriInfo; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Service responsible for task resource requests. |
| */ |
| public class TaskService extends BaseService { |
| /** |
| * Parent cluster id. |
| */ |
| private String m_clusterName; |
| |
| /** |
| * Parent request id. |
| */ |
| private String m_requestId; |
| |
| /** |
| * Constructor. |
| * |
| * @param clusterName cluster id |
| * @param requestId request id |
| */ |
| public TaskService(String clusterName, String requestId) { |
| m_clusterName = clusterName; |
| m_requestId = requestId; |
| } |
| |
| /** |
| * Handles GET: /clusters/{clusterID}/requests/{requestID}/tasks/{taskID} |
| * Get a specific task. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param taskId component id |
| * |
| * @return a task resource representation |
| */ |
| @GET |
| @Path("{taskId}") |
| @Produces("text/plain") |
| public Response getTask(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("taskId") String taskId) { |
| |
| return handleRequest(headers, null, ui, Request.Type.GET, |
| createTaskResource(m_clusterName, m_requestId, taskId)); |
| } |
| |
| /** |
| * Handles GET: /clusters/{clusterID}/requests/{requestID}/tasks |
| * Get all tasks for a request. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * |
| * @return task collection resource representation |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getComponents(@Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, |
| createTaskResource(m_clusterName, m_requestId, null)); |
| } |
| |
| /** |
| * Create a task resource instance. |
| * |
| * @param clusterName cluster name |
| * @param requestId request id |
| * @param taskId task id |
| * |
| * @return a task resource instance |
| */ |
| ResourceInstance createTaskResource(String clusterName, String requestId, String taskId) { |
| Map<Resource.Type,String> mapIds = new HashMap<Resource.Type, String>(); |
| mapIds.put(Resource.Type.Cluster, clusterName); |
| mapIds.put(Resource.Type.Request, requestId); |
| mapIds.put(Resource.Type.Task, taskId); |
| |
| return createResource(Resource.Type.Task, mapIds); |
| } |
| } |