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.beam.runners.twister2;
  
  import edu.iu.dsc.tws.api.scheduler.Twister2JobState;
  import java.io.IOException;
  import org.apache.beam.sdk.PipelineResult;
  import org.apache.beam.sdk.metrics.MetricResults;
  import org.joda.time.Duration;
  import org.mortbay.log.Log;
  
  /** Represents a Twister2 pipeline execution result. */
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/20497)
  })
  public class Twister2PipelineResult implements PipelineResult {
  
    PipelineResult.State state;
  
    public Twister2PipelineResult(Twister2JobState jobState) {
      state = mapToState(jobState);
    }
  
    @Override
    public State getState() {
      return state;
    }
  
    @Override
    public State cancel() throws IOException {
      throw new UnsupportedOperationException("Operation not supported");
    }
  
    @Override
    public State waitUntilFinish(Duration duration) {
      Log.debug(
          "Twister2 runner does not currently support wait with duration "
              + "default waitUntilFinish will be executed");
      return waitUntilFinish();
    }
  
    @Override
    public State waitUntilFinish() {
      return state;
    }
  
    @Override
    public MetricResults metrics() {
      throw new UnsupportedOperationException("Operation not supported");
    }
  
    public void setState(State state) {
      this.state = state;
    }
  
    /**
     * Map Twister2 job state to Beam result State.
     *
     * @param jobState twister2 job state
     * @return corresponding Beam result state
     */
    private State mapToState(Twister2JobState jobState) {
      switch (jobState.getJobstate()) {
        case RUNNING:
          return State.RUNNING;
        case COMPLETED:
          return State.DONE;
        case FAILED:
          return State.FAILED;
        default:
          return State.FAILED;
      }
    }
  }
  