Package org.apache.hive.hcatalog.templeton

Source Code of org.apache.hive.hcatalog.templeton.DeleteDelegator

/**
* 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.hive.hcatalog.templeton;

import java.io.IOException;

import org.apache.hadoop.hive.shims.HadoopShims.WebHCatJTShim;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.mapred.JobID;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hive.hcatalog.templeton.tool.JobState;

/**
* Delete a job
*/
public class DeleteDelegator extends TempletonDelegator {
  public DeleteDelegator(AppConfig appConf) {
    super(appConf);
  }

  public QueueStatusBean run(String user, String id)
    throws NotAuthorizedException, BadParam, IOException, InterruptedException
  {
    UserGroupInformation ugi = UgiFactory.getUgi(user);
    WebHCatJTShim tracker = null;
    JobState state = null;
    try {
      tracker = ShimLoader.getHadoopShims().getWebHCatShim(appConf, ugi);
      JobID jobid = StatusDelegator.StringToJobID(id);
      if (jobid == null)
        throw new BadParam("Invalid jobid: " + id);
      tracker.killJob(jobid);
      state = new JobState(id, Main.getAppConfigInstance());
      String childid = state.getChildId();
      if (childid != null)
        tracker.killJob(StatusDelegator.StringToJobID(childid));
      return StatusDelegator.makeStatus(tracker, jobid, state);
    } catch (IllegalStateException e) {
      throw new BadParam(e.getMessage());
    } finally {
      if (tracker != null)
        tracker.close();
      if (state != null)
        state.close();
    }
  }
}
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