| /* |
| * 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.core.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.runners.core.construction.graph.PipelineNode.PCollectionNode; |
| import org.apache.beam.runners.core.construction.graph.PipelineNode.PTransformNode; |
| import org.apache.beam.vendor.guava.v26_0_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, |
| PCollectionNode input, |
| Collection<SideInputReference> sideInputs, |
| Collection<UserStateReference> userStates, |
| Collection<TimerReference> timers, |
| Collection<PTransformNode> transforms, |
| Collection<PCollectionNode> outputs) { |
| Components prunedComponents = |
| components |
| .toBuilder() |
| .clearTransforms() |
| .putAllTransforms( |
| transforms.stream() |
| .collect(Collectors.toMap(PTransformNode::getId, PTransformNode::getTransform))) |
| .build(); |
| return of( |
| prunedComponents, environment, input, sideInputs, userStates, timers, transforms, outputs); |
| } |
| |
| public static ImmutableExecutableStage of( |
| Components components, |
| Environment environment, |
| PCollectionNode input, |
| Collection<SideInputReference> sideInputs, |
| Collection<UserStateReference> userStates, |
| Collection<TimerReference> timers, |
| Collection<PTransformNode> transforms, |
| Collection<PCollectionNode> outputs) { |
| return new AutoValue_ImmutableExecutableStage( |
| components, |
| environment, |
| input, |
| ImmutableSet.copyOf(sideInputs), |
| ImmutableSet.copyOf(userStates), |
| ImmutableSet.copyOf(timers), |
| ImmutableSet.copyOf(transforms), |
| ImmutableSet.copyOf(outputs)); |
| } |
| |
| @Override |
| public abstract Components getComponents(); |
| |
| // Redefine the methods to have a known order. |
| @Override |
| public abstract Environment getEnvironment(); |
| |
| @Override |
| public abstract PCollectionNode getInputPCollection(); |
| |
| @Override |
| public abstract Collection<SideInputReference> getSideInputs(); |
| |
| @Override |
| public abstract Collection<UserStateReference> getUserStates(); |
| |
| @Override |
| public abstract Collection<TimerReference> getTimers(); |
| |
| @Override |
| public abstract Collection<PTransformNode> getTransforms(); |
| |
| @Override |
| public abstract Collection<PCollectionNode> getOutputPCollections(); |
| } |