/*
* 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.runners;
import com.google.auto.value.AutoValue;
import java.util.Map;
import org.apache.beam.sdk.Pipeline;
import org.apache.beam.sdk.annotations.Internal;
import org.apache.beam.sdk.transforms.PTransform;
import org.apache.beam.sdk.values.PInput;
import org.apache.beam.sdk.values.POutput;
import org.apache.beam.sdk.values.PValue;
import org.apache.beam.sdk.values.TupleTag;
/**
* <b><i>For internal use only; no backwards-compatibility guarantees.</i></b>
*
* <p>Inputs and outputs are stored in their expanded forms, as the condensed form of a composite
* {@link PInput} or {@link POutput} is a language-specific concept, and {@link AppliedPTransform}
* represents a possibly cross-language transform for which no appropriate composite type exists
* in the Java SDK.
*
* @param <InputT> transform input type
* @param <OutputT> transform output type
* @param <TransformT> transform type
*/
@Internal
@AutoValue
public abstract class AppliedPTransform<
InputT extends PInput, OutputT extends POutput,
TransformT extends PTransform<? super InputT, OutputT>> {
// To prevent extension outside of this package.
AppliedPTransform() {}
public static <
InputT extends PInput,
OutputT extends POutput,
TransformT extends PTransform<? super InputT, OutputT>>
AppliedPTransform<InputT, OutputT, TransformT> of(
String fullName,
Map<TupleTag<?>, PValue> input,
Map<TupleTag<?>, PValue> output,
TransformT transform,
Pipeline p) {
return new AutoValue_AppliedPTransform<InputT, OutputT, TransformT>(
fullName, input, output, transform, p);
}
public abstract String getFullName();
public abstract Map<TupleTag<?>, PValue> getInputs();
public abstract Map<TupleTag<?>, PValue> getOutputs();
public abstract TransformT getTransform();
public abstract Pipeline getPipeline();
}