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/*
* Copyright 2017 the original author or authors.
*
* Licensed 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.gradle.api.internal.artifacts.transform;
import org.gradle.api.artifacts.component.ComponentArtifactIdentifier;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvableArtifact;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedArtifactSet;
import org.gradle.api.internal.file.FileCollectionInternal;
import org.gradle.api.internal.file.FileCollectionStructureVisitor;
import org.gradle.internal.operations.BuildOperationQueue;
import org.gradle.internal.operations.RunnableBuildOperation;
import java.io.File;
import java.util.Map;
import java.util.Optional;
class TransformingAsyncArtifactListener implements ResolvedArtifactSet.AsyncArtifactListener {
private final Map artifactResults;
private final ExecutionGraphDependenciesResolver dependenciesResolver;
private final TransformationNodeRegistry transformationNodeRegistry;
private final BuildOperationQueue actions;
private final Transformation transformation;
TransformingAsyncArtifactListener(
Transformation transformation,
BuildOperationQueue actions,
Map artifactResults,
ExecutionGraphDependenciesResolver dependenciesResolver,
TransformationNodeRegistry transformationNodeRegistry
) {
this.artifactResults = artifactResults;
this.actions = actions;
this.transformation = transformation;
this.dependenciesResolver = dependenciesResolver;
this.transformationNodeRegistry = transformationNodeRegistry;
}
@Override
public void artifactAvailable(ResolvableArtifact artifact) {
ComponentArtifactIdentifier artifactId = artifact.getId();
Optional node = transformationNodeRegistry.getIfExecuted(artifactId, transformation);
if (node.isPresent()) {
artifactResults.put(artifactId, new PrecomputedTransformationResult(node.get().getTransformedSubject()));
} else {
File file = artifact.getFile();
TransformationSubject initialSubject = TransformationSubject.initial(artifactId, file);
TransformationResult result = createTransformationResult(initialSubject);
artifactResults.put(artifactId, result);
}
}
@Override
public FileCollectionStructureVisitor.VisitType prepareForVisit(FileCollectionInternal.Source source) {
// Visit everything
return FileCollectionStructureVisitor.VisitType.Visit;
}
@Override
public boolean requireArtifactFiles() {
// Always need the files, as we need to run the transform in order to calculate the output artifacts.
return true;
}
private TransformationResult createTransformationResult(TransformationSubject initialSubject) {
CacheableInvocation invocation = transformation.createInvocation(initialSubject, dependenciesResolver, null);
return invocation.getCachedResult()
.map(PrecomputedTransformationResult::new)
.orElseGet(() -> {
TransformationOperation operation = new TransformationOperation(invocation, "Transform " + initialSubject.getDisplayName() + " with " + transformation.getDisplayName());
actions.add(operation);
return operation;
});
}
}