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 org.apache.beam.sdk.Pipeline;
  import org.apache.beam.sdk.PipelineResult;
  import org.apache.beam.sdk.PipelineRunner;
  import org.apache.beam.sdk.options.PipelineOptions;
  import org.apache.beam.sdk.options.PipelineOptionsValidator;
  
  /**
   * A {@link PipelineRunner} that executes the operations in the pipeline by first translating them
   * to a Twister2 Plan and then executing them either locally or on a Twister2 cluster, depending on
   * the configuration. This is used for testing the Twister2 runner
   */
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/20497)
  })
  public class Twister2TestRunner extends PipelineRunner<PipelineResult> {
  
    private Twister2Runner delegate;
  
    public Twister2TestRunner(Twister2PipelineOptions options) {
      options.setRunner(Twister2TestRunner.class);
      options.setParallelism(1);
      this.delegate = Twister2Runner.fromOptions(options);
    }
  
    public static Twister2TestRunner fromOptions(PipelineOptions options) {
      Twister2PipelineOptions pipelineOptions =
          PipelineOptionsValidator.validate(Twister2PipelineOptions.class, options);
      return new Twister2TestRunner(pipelineOptions);
    }
  
    @Override
    public PipelineResult run(Pipeline pipeline) {
      try {
        return delegate.runTest(pipeline);
      } catch (IllegalArgumentException ex) {
        throw ex;
      } catch (Throwable t) {
        RuntimeException exception =
            new RuntimeException(t.getCause().getMessage(), t.getCause().getCause());
        exception.setStackTrace(t.getCause().getStackTrace());
        throw exception;
      }
    }
  }
  