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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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package org.apache.beam.runners.direct;
import org.apache.beam.runners.core.KeyedWorkItem;
import org.apache.beam.runners.core.SplittableParDoViaKeyedWorkItems.GBKIntoKeyedWorkItems;
import org.apache.beam.runners.core.construction.PTransformReplacements;
import org.apache.beam.runners.core.construction.SingleInputOutputOverrideFactory;
import org.apache.beam.sdk.runners.AppliedPTransform;
import org.apache.beam.sdk.values.KV;
import org.apache.beam.sdk.values.PCollection;
/** Provides an implementation of {@link GBKIntoKeyedWorkItems} for the Direct Runner. */
class DirectGBKIntoKeyedWorkItemsOverrideFactory<KeyT, InputT>
extends SingleInputOutputOverrideFactory<
PCollection<KV<KeyT, InputT>>, PCollection<KeyedWorkItem<KeyT, InputT>>,
GBKIntoKeyedWorkItems<KeyT, InputT>> {
@Override
public PTransformReplacement<
PCollection<KV<KeyT, InputT>>, PCollection<KeyedWorkItem<KeyT, InputT>>>
getReplacementTransform(
AppliedPTransform<
PCollection<KV<KeyT, InputT>>, PCollection<KeyedWorkItem<KeyT, InputT>>,
GBKIntoKeyedWorkItems<KeyT, InputT>>
transform) {
return PTransformReplacement.of(
PTransformReplacements.getSingletonMainInput(transform),
new DirectGroupByKey.DirectGroupByKeyOnly<KeyT, InputT>());
}
}