| /** |
| * 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 job resource requests. |
| */ |
| public class JobService extends BaseService { |
| private String workflowId; |
| private String clusterName; |
| |
| /** |
| * Constructor. |
| * |
| * @param clusterName |
| * cluster name |
| * @param workflowId |
| * workflow id |
| */ |
| public JobService(String clusterName, String workflowId) { |
| this.clusterName = clusterName; |
| this.workflowId = workflowId; |
| } |
| |
| /** |
| * Handles: GET /workflows/{workflowId}/jobs/{jobId} Get a specific job. |
| * |
| * @param headers |
| * http headers |
| * @param ui |
| * uri info |
| * @param jobId |
| * job id |
| * @return job instance representation |
| */ |
| @GET |
| @Path("{jobId}") |
| @Produces("text/plain") |
| public Response getJob(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("jobId") String jobId) { |
| return handleRequest(headers, null, ui, Request.Type.GET, |
| createJobResource(clusterName, workflowId, jobId)); |
| } |
| |
| /** |
| * Handles: GET /workflows/{workflowId}/jobs Get all jobs. |
| * |
| * @param headers |
| * http headers |
| * @param ui |
| * uri info |
| * @return job collection resource representation |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getJobs(@Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, |
| createJobResource(clusterName, workflowId, null)); |
| } |
| |
| /** |
| * Gets the task attempts sub-resource. |
| */ |
| @Path("{jobId}/taskattempts") |
| public TaskAttemptService getTaskAttemptHandler( |
| @PathParam("jobId") String jobId) { |
| return new TaskAttemptService(clusterName, workflowId, jobId); |
| } |
| |
| /** |
| * Create a job resource instance. |
| * |
| * @param clusterName |
| * cluster name |
| * @param workflowId |
| * workflow id |
| * @param jobId |
| * job id |
| * |
| * @return a job resource instance |
| */ |
| ResourceInstance createJobResource(String clusterName, String workflowId, |
| String jobId) { |
| 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); |
| return createResource(Resource.Type.Job, mapIds); |
| } |
| } |