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.sdk.util.construction.graph;
  
  import com.google.auto.value.AutoValue;
  import java.util.Collection;
  import java.util.stream.Collectors;
  import org.apache.beam.model.pipeline.v1.RunnerApi.Components;
  import org.apache.beam.model.pipeline.v1.RunnerApi.Environment;
  import org.apache.beam.model.pipeline.v1.RunnerApi.ExecutableStagePayload.WireCoderSetting;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableSet;
  
  /** An {@link ExecutableStage} which is constructed with all of its initial state. */
  @AutoValue
  public abstract class ImmutableExecutableStage implements ExecutableStage {
    public static ImmutableExecutableStage ofFullComponents(
        Components components,
        Environment environment,
        PipelineNode.PCollectionNode input,
        Collection<SideInputReference> sideInputs,
        Collection<UserStateReference> userStates,
        Collection<TimerReference> timers,
        Collection<PipelineNode.PTransformNode> transforms,
        Collection<PipelineNode.PCollectionNode> outputs,
        Collection<WireCoderSetting> wireCoderSettings) {
      Components prunedComponents =
          components
              .toBuilder()
              .clearTransforms()
              .putAllTransforms(
                  transforms.stream()
                      .collect(
                          Collectors.toMap(
                              PipelineNode.PTransformNode::getId,
                              PipelineNode.PTransformNode::getTransform)))
              .build();
      return of(
          prunedComponents,
          environment,
          input,
          sideInputs,
          userStates,
          timers,
          transforms,
          outputs,
          wireCoderSettings);
    }
  
    public static ImmutableExecutableStage of(
        Components components,
        Environment environment,
        PipelineNode.PCollectionNode input,
        Collection<SideInputReference> sideInputs,
        Collection<UserStateReference> userStates,
        Collection<TimerReference> timers,
        Collection<PipelineNode.PTransformNode> transforms,
        Collection<PipelineNode.PCollectionNode> outputs,
        Collection<WireCoderSetting> wireCoderSettings) {
      return new AutoValue_ImmutableExecutableStage(
          components,
          environment,
          input,
          ImmutableSet.copyOf(sideInputs),
          ImmutableSet.copyOf(userStates),
          ImmutableSet.copyOf(timers),
          ImmutableSet.copyOf(transforms),
          ImmutableSet.copyOf(outputs),
          wireCoderSettings);
    }
  
    @Override
    public abstract Components getComponents();
  
    // Redefine the methods to have a known order.
    @Override
    public abstract Environment getEnvironment();
  
    @Override
    public abstract PipelineNode.PCollectionNode getInputPCollection();
  
    @Override
    public abstract Collection<SideInputReference> getSideInputs();
  
    @Override
    public abstract Collection<UserStateReference> getUserStates();
  
    @Override
    public abstract Collection<TimerReference> getTimers();
  
    @Override
    public abstract Collection<PipelineNode.PTransformNode> getTransforms();
  
    @Override
    public abstract Collection<PipelineNode.PCollectionNode> getOutputPCollections();
  
    @Override
    public abstract Collection<WireCoderSetting> getWireCoderSettings();
  }
  