org.gradle.api.internaltransform.DefaultTransformedVariantFactory Maven / Gradle / Ivy

/*
 * Copyright 2020 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.
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package org.gradle.api.internal.artifacts.transform;

import org.gradle.api.artifacts.component.ComponentIdentifier;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedArtifactSet;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedVariant;
import org.gradle.api.internal.attributes.ImmutableAttributes;
import org.gradle.internal.component.model.VariantResolveMetadata;
import org.gradle.internal.component.model.VariantWithOverloadAttributes;
import org.gradle.internal.model.CalculatedValueContainerFactory;

import javax.annotation.concurrent.ThreadSafe;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

@ThreadSafe
public class DefaultTransformedVariantFactory implements TransformedVariantFactory {
    private final TransformationNodeRegistry transformationNodeRegistry;
    private final CalculatedValueContainerFactory calculatedValueContainerFactory;
    private final ConcurrentMap variants = new ConcurrentHashMap<>();
    private final Factory externalFactory = this::doCreateExternal;
    private final Factory projectFactory = this::doCreateProject;

    public DefaultTransformedVariantFactory(TransformationNodeRegistry transformationNodeRegistry, CalculatedValueContainerFactory calculatedValueContainerFactory) {
        this.transformationNodeRegistry = transformationNodeRegistry;
        this.calculatedValueContainerFactory = calculatedValueContainerFactory;
    }

    @Override
    public ResolvedArtifactSet transformedExternalArtifacts(ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory) {
        return locateOrCreate(externalFactory, componentIdentifier, sourceVariant, target, transformation, dependenciesResolverFactory);
    }

    @Override
    public ResolvedArtifactSet transformedProjectArtifacts(ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory) {
        return locateOrCreate(projectFactory, componentIdentifier, sourceVariant, target, transformation, dependenciesResolverFactory);
    }

    private ResolvedArtifactSet locateOrCreate(Factory factory, ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory) {
        VariantResolveMetadata.Identifier identifier = sourceVariant.getIdentifier();
        if (identifier == null) {
            // An ad hoc variant, do not cache the result
            return factory.create(componentIdentifier, sourceVariant, target, transformation, dependenciesResolverFactory);
        }
        return variants.computeIfAbsent(new VariantWithOverloadAttributes(identifier, target), key -> factory.create(componentIdentifier, sourceVariant, target, transformation, dependenciesResolverFactory));
    }

    private TransformedExternalArtifactSet doCreateExternal(ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory) {
        return new TransformedExternalArtifactSet(componentIdentifier, sourceVariant.getArtifacts(), target, transformation, dependenciesResolverFactory, calculatedValueContainerFactory);
    }

    private TransformedProjectArtifactSet doCreateProject(ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory) {
        return new TransformedProjectArtifactSet(componentIdentifier, sourceVariant.getArtifacts(), target, transformation, dependenciesResolverFactory, transformationNodeRegistry);
    }

    private interface Factory {
        ResolvedArtifactSet create(ComponentIdentifier componentIdentifier, ResolvedVariant sourceVariant, ImmutableAttributes target, Transformation transformation, ExtraExecutionGraphDependenciesResolverFactory dependenciesResolverFactory);
    }
}