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.asterix.common.utils;
  
  import java.util.EnumSet;
  import java.util.List;
  
  import org.apache.hyracks.algebricks.common.utils.Pair;
  import org.apache.hyracks.api.client.IHyracksClientConnection;
  import org.apache.hyracks.api.job.JobFlag;
  import org.apache.hyracks.api.job.JobId;
  import org.apache.hyracks.api.job.JobSpecification;
  import org.apache.hyracks.api.job.profiling.IOperatorStats;
  
  public class JobUtils {
  
      public enum ProgressState {
          NO_PROGRESS,
          ADDED_PENDINGOP_RECORD_TO_METADATA
      }
  
      public static JobId forceRunJob(IHyracksClientConnection hcc, JobSpecification spec, boolean waitForCompletion)
              throws Exception {
          return runJob(hcc, spec, EnumSet.noneOf(JobFlag.class), waitForCompletion);
      }
  
      public static JobId runJobIfActive(IHyracksClientConnection hcc, JobSpecification spec, boolean waitForCompletion)
              throws Exception {
          return runJob(hcc, spec, EnumSet.of(JobFlag.ENSURE_RUNNABLE), waitForCompletion);
      }
  
      public static JobId runJobIfActive(IHyracksClientConnection hcc, JobSpecification spec, EnumSet<JobFlag> jobFlags,
              boolean waitForCompletion) throws Exception {
          if (jobFlags.contains(JobFlag.ENSURE_RUNNABLE)) {
              return runJob(hcc, spec, jobFlags, waitForCompletion);
          } else {
              EnumSet<JobFlag> flags = EnumSet.copyOf(jobFlags);
              flags.add(JobFlag.ENSURE_RUNNABLE);
              return runJob(hcc, spec, flags, waitForCompletion);
          }
      }
  
      private static JobId runJob(IHyracksClientConnection hcc, JobSpecification spec, EnumSet<JobFlag> jobFlags,
              boolean waitForCompletion) throws Exception {
          spec.setMaxReattempts(0);
          final JobId jobId = hcc.startJob(spec, jobFlags);
          if (waitForCompletion) {
              String nameBefore = Thread.currentThread().getName();
              try {
                  Thread.currentThread().setName(nameBefore + " : WaitForCompletionForJobId: " + jobId);
                  hcc.waitForCompletion(jobId);
              } finally {
                  Thread.currentThread().setName(nameBefore);
              }
          }
          return jobId;
      }
  
      public static Pair<JobId, List<IOperatorStats>> runJobIfActive(IHyracksClientConnection hcc, JobSpecification spec,
              EnumSet<JobFlag> jobFlags, boolean waitForCompletion, List<String> statOperatorNames) throws Exception {
          if (!jobFlags.contains(JobFlag.ENSURE_RUNNABLE)) {
              jobFlags = EnumSet.copyOf(jobFlags);
              jobFlags.add(JobFlag.ENSURE_RUNNABLE);
          }
          spec.setMaxReattempts(0);
          final JobId jobId = hcc.startJob(spec, jobFlags);
          List<IOperatorStats> opStats = null;
          if (waitForCompletion) {
              String nameBefore = Thread.currentThread().getName();
              try {
                  Thread.currentThread().setName(nameBefore + " : WaitForCompletionForJobId: " + jobId);
                  opStats = hcc.waitForCompletion(jobId, statOperatorNames);
              } finally {
                  Thread.currentThread().setName(nameBefore);
              }
          }
          return new Pair<>(jobId, opStats);
      }
  }
  