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ResolveState.java
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ResolveState.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.resolveengine.graph.builder;
import com.google.common.collect.Maps;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.api.artifacts.ModuleVersionIdentifier;
import org.gradle.api.artifacts.VersionConstraint;
import org.gradle.api.artifacts.component.ComponentIdentifier;
import org.gradle.api.artifacts.component.ComponentSelector;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.internal.artifacts.ComponentSelectorConverter;
import org.gradle.api.internal.artifacts.ResolvedConfigurationIdentifier;
import org.gradle.api.internal.artifacts.ResolvedVersionConstraint;
import org.gradle.api.internal.artifacts.configurations.ConflictResolution;
import org.gradle.api.internal.artifacts.dependencies.DefaultResolvedVersionConstraint;
import org.gradle.api.internal.artifacts.ivyservice.dependencysubstitution.DependencySubstitutionApplicator;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.Version;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionParser;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionSelectorScheme;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.ModuleConflictResolver;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.ModuleExclusions;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.selectors.ComponentStateFactory;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.selectors.SelectorStateResolver;
import org.gradle.api.internal.attributes.AttributeDesugaring;
import org.gradle.api.internal.attributes.AttributesSchemaInternal;
import org.gradle.api.internal.attributes.ImmutableAttributes;
import org.gradle.api.internal.attributes.ImmutableAttributesFactory;
import org.gradle.api.specs.Spec;
import org.gradle.internal.Pair;
import org.gradle.internal.component.model.ComponentResolveMetadata;
import org.gradle.internal.component.model.ConfigurationMetadata;
import org.gradle.internal.component.model.DependencyMetadata;
import org.gradle.internal.id.IdGenerator;
import org.gradle.internal.resolve.resolver.ComponentMetaDataResolver;
import org.gradle.internal.resolve.resolver.DependencyToComponentIdResolver;
import org.gradle.internal.resolve.result.ComponentResolveResult;
import javax.annotation.Nullable;
import java.util.ArrayDeque;
import java.util.Collection;
import java.util.Comparator;
import java.util.Deque;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Global resolution state.
*/
class ResolveState implements ComponentStateFactory<ComponentState> {
private final Spec<? super DependencyMetadata> edgeFilter;
private final Map<ModuleIdentifier, ModuleResolveState> modules;
private final Map<ResolvedConfigurationIdentifier, NodeState> nodes;
private final Map<Pair<ComponentSelector, Boolean>, SelectorState> selectors;
private final RootNode root;
private final IdGenerator<Long> idGenerator;
private final DependencyToComponentIdResolver idResolver;
private final ComponentMetaDataResolver metaDataResolver;
private final Deque<NodeState> queue;
private final ConflictResolution conflictResolution;
private final AttributesSchemaInternal attributesSchema;
private final ModuleExclusions moduleExclusions;
private final DeselectVersionAction deselectVersionAction = new DeselectVersionAction(this);
private final ReplaceSelectionWithConflictResultAction replaceSelectionWithConflictResultAction;
private final ComponentSelectorConverter componentSelectorConverter;
private final ImmutableAttributesFactory attributesFactory;
private final DependencySubstitutionApplicator dependencySubstitutionApplicator;
private final VersionSelectorScheme versionSelectorScheme;
private final Comparator<Version> versionComparator;
private final VersionParser versionParser;
private final SelectorStateResolver<ComponentState> selectorStateResolver;
private final ResolveOptimizations resolveOptimizations;
private final Map<VersionConstraint, ResolvedVersionConstraint> resolvedVersionConstraints = Maps.newHashMap();
private final AttributeDesugaring attributeDesugaring;
public ResolveState(IdGenerator<Long> idGenerator,
ComponentResolveResult rootResult,
String rootConfigurationName,
DependencyToComponentIdResolver idResolver,
ComponentMetaDataResolver metaDataResolver,
Spec<? super DependencyMetadata> edgeFilter,
AttributesSchemaInternal attributesSchema,
ModuleExclusions moduleExclusions,
ComponentSelectorConverter componentSelectorConverter,
ImmutableAttributesFactory attributesFactory,
DependencySubstitutionApplicator dependencySubstitutionApplicator,
VersionSelectorScheme versionSelectorScheme,
Comparator<Version> versionComparator,
VersionParser versionParser,
ModuleConflictResolver<ComponentState> conflictResolver,
int graphSize,
ConflictResolution conflictResolution) {
this.idGenerator = idGenerator;
this.idResolver = idResolver;
this.metaDataResolver = metaDataResolver;
this.edgeFilter = edgeFilter;
this.attributesSchema = attributesSchema;
this.moduleExclusions = moduleExclusions;
this.componentSelectorConverter = componentSelectorConverter;
this.attributesFactory = attributesFactory;
this.dependencySubstitutionApplicator = dependencySubstitutionApplicator;
this.versionSelectorScheme = versionSelectorScheme;
this.versionComparator = versionComparator;
this.versionParser = versionParser;
this.modules = new LinkedHashMap<>(graphSize);
this.nodes = new LinkedHashMap<>(3 * graphSize / 2);
this.selectors = new LinkedHashMap<>(5 * graphSize / 2);
this.queue = new ArrayDeque<>(graphSize);
this.conflictResolution = conflictResolution;
this.resolveOptimizations = new ResolveOptimizations();
this.attributeDesugaring = new AttributeDesugaring(attributesFactory);
// Create root module
getModule(rootResult.getModuleVersionId().getModule(), true);
ComponentState rootVersion = getRevision(rootResult.getId(), rootResult.getModuleVersionId(), rootResult.getMetadata());
final ResolvedConfigurationIdentifier id = new ResolvedConfigurationIdentifier(rootVersion.getId(), rootConfigurationName);
ConfigurationMetadata configurationMetadata = rootVersion.getMetadata().getConfiguration(id.getConfiguration());
root = new RootNode(idGenerator.generateId(), rootVersion, id, this, configurationMetadata);
nodes.put(root.getResolvedConfigurationId(), root);
root.getComponent().getModule().select(root.getComponent());
this.replaceSelectionWithConflictResultAction = new ReplaceSelectionWithConflictResultAction(this);
selectorStateResolver = new SelectorStateResolver<>(conflictResolver, this, rootVersion, resolveOptimizations, versionComparator);
getModule(rootResult.getModuleVersionId().getModule()).setSelectorStateResolver(selectorStateResolver);
}
public Collection<ModuleResolveState> getModules() {
return modules.values();
}
Spec<? super DependencyMetadata> getEdgeFilter() {
return edgeFilter;
}
RootNode getRoot() {
return root;
}
public ModuleResolveState getModule(ModuleIdentifier id) {
return getModule(id, false);
}
private ModuleResolveState getModule(ModuleIdentifier id, boolean rootModule) {
return modules.computeIfAbsent(id, mid -> new ModuleResolveState(idGenerator, id, metaDataResolver, attributesFactory, versionComparator, versionParser, selectorStateResolver, resolveOptimizations, rootModule, conflictResolution));
}
@Override
public ComponentState getRevision(ComponentIdentifier componentIdentifier, ModuleVersionIdentifier id, ComponentResolveMetadata metadata) {
ComponentState componentState = getModule(id.getModule()).getVersion(id, componentIdentifier);
if (!componentState.alreadyResolved()) {
componentState.setMetadata(metadata);
}
return componentState;
}
public Collection<NodeState> getNodes() {
return nodes.values();
}
public NodeState getNode(ComponentState module, ConfigurationMetadata configurationMetadata) {
ResolvedConfigurationIdentifier id = new ResolvedConfigurationIdentifier(module.getId(), configurationMetadata.getName());
return nodes.computeIfAbsent(id, rci -> new NodeState(idGenerator.generateId(), id, module, this, configurationMetadata));
}
public Collection<SelectorState> getSelectors() {
return selectors.values();
}
public SelectorState getSelector(DependencyState dependencyState, boolean ignoreVersion) {
SelectorState selectorState = selectors.computeIfAbsent(Pair.of(dependencyState.getRequested(), ignoreVersion), req -> {
ModuleIdentifier moduleIdentifier = dependencyState.getModuleIdentifier();
return new SelectorState(idGenerator.generateId(), dependencyState, idResolver, this, moduleIdentifier, ignoreVersion);
});
selectorState.update(dependencyState);
return selectorState;
}
@Nullable
public NodeState peek() {
return queue.isEmpty() ? null : queue.getFirst();
}
public NodeState pop() {
NodeState next = queue.removeFirst();
return next.dequeue();
}
/**
* Called when a change is made to a configuration node, such that its dependency graph <em>may</em> now be larger than it previously was, and the node should be visited.
*/
public void onMoreSelected(NodeState node) {
// Add to the end of the queue, so that we traverse the graph in breadth-wise order to pick up as many conflicts as
// possible before attempting to resolve them
if (node.enqueue()) {
queue.addLast(node);
}
}
/**
* Called when a change is made to a configuration node, such that its dependency graph <em>may</em> now be smaller than it previously was, and the node should be visited.
*/
public void onFewerSelected(NodeState node) {
// Add to the front of the queue, to flush out configurations that are no longer required.
if (node.enqueue()) {
queue.addFirst(node);
}
}
public AttributesSchemaInternal getAttributesSchema() {
return attributesSchema;
}
public ModuleExclusions getModuleExclusions() {
return moduleExclusions;
}
public DeselectVersionAction getDeselectVersionAction() {
return deselectVersionAction;
}
public ReplaceSelectionWithConflictResultAction getReplaceSelectionWithConflictResultAction() {
return replaceSelectionWithConflictResultAction;
}
public ComponentSelectorConverter getComponentSelectorConverter() {
return componentSelectorConverter;
}
public ImmutableAttributesFactory getAttributesFactory() {
return attributesFactory;
}
public DependencySubstitutionApplicator getDependencySubstitutionApplicator() {
return dependencySubstitutionApplicator;
}
PendingDependenciesVisitor newPendingDependenciesVisitor() {
return new DefaultPendingDependenciesVisitor(this);
}
@Nullable
ResolvedVersionConstraint resolveVersionConstraint(ComponentSelector selector) {
if (selector instanceof ModuleComponentSelector) {
return resolveVersionConstraint(((ModuleComponentSelector) selector).getVersionConstraint());
}
return null;
}
ResolvedVersionConstraint resolveVersionConstraint(VersionConstraint vc) {
return resolvedVersionConstraints.computeIfAbsent(vc, key -> new DefaultResolvedVersionConstraint(key, versionSelectorScheme));
}
ImmutableAttributes desugar(ImmutableAttributes attributes) {
return attributeDesugaring.desugar(attributes);
}
ComponentSelector desugarSelector(ComponentSelector requested) {
return attributeDesugaring.desugarSelector(requested);
}
AttributeDesugaring getAttributeDesugaring() {
return attributeDesugaring;
}
ResolveOptimizations getResolveOptimizations() {
return resolveOptimizations;
}
}