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.flink;
  
  import java.io.IOException;
  import java.util.Map;
  import org.apache.beam.model.jobmanagement.v1.JobApi;
  import org.apache.beam.model.pipeline.v1.MetricsApi;
  import org.apache.beam.runners.jobsubmission.PortablePipelineResult;
  import org.apache.beam.sdk.metrics.MetricResults;
  import org.joda.time.Duration;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /** Result of executing a portable {@link org.apache.beam.sdk.Pipeline} with Flink. */
  public class FlinkPortableRunnerResult extends FlinkRunnerResult implements PortablePipelineResult {
  
    private static final Logger LOG = LoggerFactory.getLogger(FlinkPortableRunnerResult.class);
  
    FlinkPortableRunnerResult(Map<String, Object> accumulators, long runtime) {
      super(accumulators, runtime);
    }
  
    @Override
    public JobApi.MetricResults portableMetrics() throws UnsupportedOperationException {
      Iterable<MetricsApi.MonitoringInfo> monitoringInfos =
          this.getMetricsContainerStepMap().getMonitoringInfos();
  
      return JobApi.MetricResults.newBuilder()
          .addAllCommitted(monitoringInfos)
          .addAllAttempted(monitoringInfos)
          .build();
    }
  
    static class Detached implements PortablePipelineResult {
  
      Detached() {
        super();
      }
  
      @Override
      public JobApi.MetricResults portableMetrics() throws UnsupportedOperationException {
        LOG.warn(
            "Collecting monitoring infos is not implemented yet in Flink portable runner (detached mode).");
        return JobApi.MetricResults.newBuilder().build();
      }
  
      @Override
      public State getState() {
        return State.UNKNOWN;
      }
  
      @Override
      public State cancel() throws IOException {
        throw new UnsupportedOperationException("Cancelling is not yet supported.");
      }
  
      @Override
      public State waitUntilFinish(Duration duration) {
        return State.UNKNOWN;
      }
  
      @Override
      public State waitUntilFinish() {
        return State.UNKNOWN;
      }
  
      @Override
      public MetricResults metrics() {
        throw new UnsupportedOperationException(
            "The FlinkRunner does not currently support metrics.");
      }
    }
  }
  