/
DefaultRootComponentMetadataBuilder.java
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/
DefaultRootComponentMetadataBuilder.java
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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.ivyservice.moduleconverter;
import org.gradle.api.artifacts.ModuleVersionIdentifier;
import org.gradle.api.artifacts.component.ComponentIdentifier;
import org.gradle.api.artifacts.component.ProjectComponentIdentifier;
import org.gradle.api.internal.artifacts.ImmutableModuleIdentifierFactory;
import org.gradle.api.internal.artifacts.Module;
import org.gradle.api.internal.artifacts.component.ComponentIdentifierFactory;
import org.gradle.api.internal.artifacts.configurations.ConfigurationInternal;
import org.gradle.api.internal.artifacts.configurations.ConfigurationsProvider;
import org.gradle.api.internal.artifacts.configurations.DependencyMetaDataProvider;
import org.gradle.api.internal.artifacts.configurations.MutationValidator;
import org.gradle.api.internal.artifacts.dsl.dependencies.DependencyLockingProvider;
import org.gradle.api.internal.attributes.AttributesSchemaInternal;
import org.gradle.api.internal.attributes.EmptySchema;
import org.gradle.api.internal.initialization.RootScriptDomainObjectContext;
import org.gradle.api.internal.project.HoldsProjectState;
import org.gradle.api.internal.project.ProjectState;
import org.gradle.api.internal.project.ProjectStateRegistry;
import org.gradle.internal.component.local.model.BuildableLocalConfigurationMetadata;
import org.gradle.internal.component.local.model.DefaultLocalComponentMetadata;
import org.gradle.internal.component.local.model.LocalComponentMetadata;
import org.gradle.internal.component.local.model.RootLocalComponentMetadata;
import org.gradle.internal.model.CalculatedValueContainerFactory;
import org.gradle.internal.model.ModelContainer;
import javax.inject.Inject;
public class DefaultRootComponentMetadataBuilder implements RootComponentMetadataBuilder, HoldsProjectState {
private final DependencyMetaDataProvider metadataProvider;
private final ComponentIdentifierFactory componentIdentifierFactory;
private final ImmutableModuleIdentifierFactory moduleIdentifierFactory;
private final LocalComponentMetadataBuilder localComponentMetadataBuilder;
private final ConfigurationsProvider configurationsProvider;
private final MetadataHolder holder;
private final ProjectStateRegistry projectStateRegistry;
private final DependencyLockingProvider dependencyLockingProvider;
private final CalculatedValueContainerFactory calculatedValueContainerFactory;
private final DefaultRootComponentMetadataBuilder.Factory factory;
/**
* Use {@link Factory#create} to create instances.
*/
private DefaultRootComponentMetadataBuilder(
DependencyMetaDataProvider metadataProvider,
ComponentIdentifierFactory componentIdentifierFactory,
ImmutableModuleIdentifierFactory moduleIdentifierFactory,
LocalComponentMetadataBuilder localComponentMetadataBuilder,
ConfigurationsProvider configurationsProvider,
ProjectStateRegistry projectStateRegistry,
DependencyLockingProvider dependencyLockingProvider,
CalculatedValueContainerFactory calculatedValueContainerFactory,
Factory factory
) {
this.metadataProvider = metadataProvider;
this.componentIdentifierFactory = componentIdentifierFactory;
this.moduleIdentifierFactory = moduleIdentifierFactory;
this.localComponentMetadataBuilder = localComponentMetadataBuilder;
this.configurationsProvider = configurationsProvider;
this.projectStateRegistry = projectStateRegistry;
this.dependencyLockingProvider = dependencyLockingProvider;
this.calculatedValueContainerFactory = calculatedValueContainerFactory;
this.factory = factory;
this.holder = new MetadataHolder(configurationsProvider);
}
@Override
public LocalComponentMetadata toRootComponentMetaData() {
Module module = metadataProvider.getModule();
ComponentIdentifier componentIdentifier = componentIdentifierFactory.createComponentIdentifier(module);
DefaultLocalComponentMetadata metadata = holder.tryCached(componentIdentifier);
if (metadata == null) {
metadata = buildRootComponentMetadata(module, componentIdentifier);
holder.cachedValue = metadata;
}
return metadata;
}
private DefaultLocalComponentMetadata buildRootComponentMetadata(final Module module, final ComponentIdentifier componentIdentifier) {
final ModuleVersionIdentifier moduleVersionIdentifier = moduleIdentifierFactory.moduleWithVersion(module.getGroup(), module.getName(), module.getVersion());
ProjectComponentIdentifier projectId = module.getProjectId();
if (projectId != null) {
ProjectState projectState = projectStateRegistry.stateFor(projectId);
if (!projectState.hasMutableState()) {
throw new IllegalStateException("Thread should hold project lock for " + projectId);
}
return projectState.fromMutableState(project -> {
AttributesSchemaInternal schema = (AttributesSchemaInternal) project.getDependencies().getAttributesSchema();
return getRootComponentMetadata(module, componentIdentifier, moduleVersionIdentifier, schema, dependencyLockingProvider, projectState);
});
} else {
return getRootComponentMetadata(module, componentIdentifier, moduleVersionIdentifier, EmptySchema.INSTANCE, dependencyLockingProvider, RootScriptDomainObjectContext.INSTANCE);
}
}
private DefaultLocalComponentMetadata getRootComponentMetadata(Module module, ComponentIdentifier componentIdentifier, ModuleVersionIdentifier moduleVersionIdentifier, AttributesSchemaInternal schema, DependencyLockingProvider dependencyLockingHandler, ModelContainer<?> model) {
DefaultLocalComponentMetadata metadata = new RootLocalComponentMetadata(moduleVersionIdentifier, componentIdentifier, module.getStatus(), schema, dependencyLockingHandler, model, calculatedValueContainerFactory);
for (ConfigurationInternal configuration : configurationsProvider.getAll()) {
addConfiguration(metadata, configuration);
}
return metadata;
}
private void addConfiguration(DefaultLocalComponentMetadata metadata, ConfigurationInternal configuration) {
BuildableLocalConfigurationMetadata buildableLocalConfigurationMetadata = localComponentMetadataBuilder.addConfiguration(metadata, configuration);
if (configuration.getResolutionStrategy().isDependencyLockingEnabled()) {
buildableLocalConfigurationMetadata.enableLocking();
}
}
@Override
public RootComponentMetadataBuilder withConfigurationsProvider(ConfigurationsProvider alternateProvider) {
return factory.create(alternateProvider);
}
public MutationValidator getValidator() {
return holder;
}
@Override
public void discardAll() {
holder.discard();
}
private static class MetadataHolder implements MutationValidator {
private DefaultLocalComponentMetadata cachedValue;
private final ConfigurationsProvider configurationsProvider;
private MetadataHolder(ConfigurationsProvider configurationsProvider) {
this.configurationsProvider = configurationsProvider;
}
@Override
public void validateMutation(MutationType type) {
if (type == MutationType.DEPENDENCIES || type == MutationType.ARTIFACTS || type == MutationType.DEPENDENCY_ATTRIBUTES) {
if (cachedValue != null) {
if (cachedValue.getConfigurationNames().size() != configurationsProvider.size()) {
// The number of configurations in the project has changed, so we need to regenerate the root component metadata
cachedValue = null;
} else {
cachedValue.reevaluate();
}
}
} else if (type == MutationType.HIERARCHY) {
// The hierarchy is provided to the configuration metadata on construction. Since it is not
// computed lazily, there is no lazy value to invalidate. Thus, we need to recompute the
// entire component in order to reconstruct new configuration metadatas with new hierarchy values.
cachedValue = null;
}
}
DefaultLocalComponentMetadata tryCached(ComponentIdentifier id) {
if (cachedValue != null) {
if (cachedValue.getId().equals(id)) {
return cachedValue;
}
cachedValue = null;
}
return null;
}
public void discard() {
cachedValue = null;
}
}
public static class Factory {
private final DependencyMetaDataProvider metaDataProvider;
private final ComponentIdentifierFactory componentIdentifierFactory;
private final ImmutableModuleIdentifierFactory moduleIdentifierFactory;
private final LocalComponentMetadataBuilder localComponentMetadataBuilder;
private final ProjectStateRegistry projectStateRegistry;
private final DependencyLockingProvider dependencyLockingProvider;
private final CalculatedValueContainerFactory calculatedValueContainerFactory;
@Inject
public Factory(
DependencyMetaDataProvider metaDataProvider,
ComponentIdentifierFactory componentIdentifierFactory,
ImmutableModuleIdentifierFactory moduleIdentifierFactory,
LocalComponentMetadataBuilder localComponentMetadataBuilder,
ProjectStateRegistry projectStateRegistry,
DependencyLockingProvider dependencyLockingProvider,
CalculatedValueContainerFactory calculatedValueContainerFactory
) {
this.metaDataProvider = metaDataProvider;
this.componentIdentifierFactory = componentIdentifierFactory;
this.moduleIdentifierFactory = moduleIdentifierFactory;
this.localComponentMetadataBuilder = localComponentMetadataBuilder;
this.projectStateRegistry = projectStateRegistry;
this.dependencyLockingProvider = dependencyLockingProvider;
this.calculatedValueContainerFactory = calculatedValueContainerFactory;
}
public DefaultRootComponentMetadataBuilder create(ConfigurationsProvider configurationsProvider) {
return new DefaultRootComponentMetadataBuilder(
metaDataProvider,
componentIdentifierFactory,
moduleIdentifierFactory,
localComponentMetadataBuilder,
configurationsProvider,
projectStateRegistry,
dependencyLockingProvider,
calculatedValueContainerFactory,
this
);
}
}
}