| /** |
| * 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 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 org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.controller.spi.Resource; |
| |
| /** |
| * Service responsible for task attempt resource requests. |
| */ |
| public class TaskAttemptService extends BaseService { |
| private String jobId; |
| private String workflowId; |
| private String clusterName; |
| |
| /** |
| * Constructor. |
| * |
| * @param clusterName |
| * cluster name |
| * @param workflowId |
| * workflow id |
| * @param jobId |
| * job id |
| */ |
| public TaskAttemptService(String clusterName, String workflowId, String jobId) { |
| this.clusterName = clusterName; |
| this.workflowId = workflowId; |
| this.jobId = jobId; |
| } |
| |
| /** |
| * Handles: GET |
| * /workflows/{workflowId}/jobs/{jobId}/taskattempts/{taskattemptid} Get a |
| * specific taskattempt. |
| * |
| * @param headers |
| * http headers |
| * @param ui |
| * uri info |
| * @param taskAttemptId |
| * task attempt id |
| * |
| * @return task attempt instance representation |
| */ |
| @GET |
| @Path("{taskAttemptId}") |
| @Produces("text/plain") |
| public Response getTaskAttempt(@Context HttpHeaders headers, |
| @Context UriInfo ui, @PathParam("taskAttemptId") String taskAttemptId) { |
| return handleRequest( |
| headers, |
| null, |
| ui, |
| Request.Type.GET, |
| createTaskAttemptResource(clusterName, workflowId, jobId, taskAttemptId)); |
| } |
| |
| /** |
| * Handles: GET /workflows/{workflowId}/jobs/taskattempts Get all task |
| * attempts. |
| * |
| * @param headers |
| * http headers |
| * @param ui |
| * uri info |
| * |
| * @return task attempt collection resource representation |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getTaskAttempts(@Context HttpHeaders headers, |
| @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, |
| createTaskAttemptResource(clusterName, workflowId, jobId, null)); |
| } |
| |
| /** |
| * Create a task attempt resource instance. |
| * |
| * @param clusterName |
| * cluster name |
| * @param workflowId |
| * workflow id |
| * @param jobId |
| * job id |
| * @param taskAttemptId |
| * task attempt id |
| * |
| * @return a task attempt resource instance |
| */ |
| ResourceInstance createTaskAttemptResource(String clusterName, |
| String workflowId, String jobId, String taskAttemptId) { |
| Map<Resource.Type,String> mapIds = new HashMap<Resource.Type,String>(); |
| mapIds.put(Resource.Type.Cluster, clusterName); |
| mapIds.put(Resource.Type.Workflow, workflowId); |
| mapIds.put(Resource.Type.Job, jobId); |
| mapIds.put(Resource.Type.TaskAttempt, taskAttemptId); |
| return createResource(Resource.Type.TaskAttempt, mapIds); |
| } |
| } |