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
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  package org.apache.beam.runners.direct;
  
  import org.apache.beam.sdk.Pipeline;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.sdk.runners.AppliedPTransform;
  import org.apache.beam.sdk.values.PValue;
  
  /** Test utilities for the {@link DirectRunner}. */
  public final class DirectGraphs {
    public static void performDirectOverrides(Pipeline p) {
      DirectRunner runner =
          DirectRunner.fromOptions(PipelineOptionsFactory.create().as(DirectOptions.class));
      runner.performRewrites(p);
    }
  
    public static DirectGraph getGraph(Pipeline p) {
      DirectGraphVisitor visitor = new DirectGraphVisitor();
      p.traverseTopologically(visitor);
      return visitor.getGraph();
    }
  
    public static AppliedPTransform<?, ?, ?> getProducer(PValue value) {
      return getGraph(value.getPipeline()).getProducer(value);
    }
  }
  