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org.gradle.api.internalivyservice.resolveengine.graph.builder.DependencyState Maven / Gradle / Ivy
/*
* 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 org.gradle.api.artifacts.DependencyArtifactSelector;
import org.gradle.api.artifacts.ModuleIdentifier;
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.ivyservice.resolveengine.result.ComponentSelectionDescriptorInternal;
import org.gradle.internal.Describables;
import org.gradle.internal.component.model.DefaultIvyArtifactName;
import org.gradle.internal.component.model.DependencyMetadata;
import org.gradle.internal.component.model.ForcingDependencyMetadata;
import org.gradle.internal.component.model.IvyArtifactName;
import org.gradle.internal.component.model.LocalOriginDependencyMetadata;
import org.gradle.internal.resolve.ModuleVersionResolveException;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import static org.gradle.api.internal.artifacts.ivyservice.resolveengine.result.ComponentSelectionReasons.BY_ANCESTOR;
import static org.gradle.api.internal.artifacts.ivyservice.resolveengine.result.ComponentSelectionReasons.CONSTRAINT;
import static org.gradle.api.internal.artifacts.ivyservice.resolveengine.result.ComponentSelectionReasons.FORCED;
import static org.gradle.api.internal.artifacts.ivyservice.resolveengine.result.ComponentSelectionReasons.REQUESTED;
class DependencyState {
private final ComponentSelector requested;
private final DependencyMetadata dependency;
private final List ruleDescriptors;
private final ComponentSelectorConverter componentSelectorConverter;
private final int hashCode;
private ModuleIdentifier moduleIdentifier;
public ModuleVersionResolveException failure;
private boolean reasonsAlreadyAdded;
DependencyState(DependencyMetadata dependency, ComponentSelectorConverter componentSelectorConverter) {
this(dependency, dependency.getSelector(), Collections.emptyList(), componentSelectorConverter);
}
private DependencyState(DependencyMetadata dependency, ComponentSelector requested, List ruleDescriptors, ComponentSelectorConverter componentSelectorConverter) {
this.dependency = dependency;
this.requested = requested;
this.ruleDescriptors = ruleDescriptors;
this.componentSelectorConverter = componentSelectorConverter;
this.hashCode = computeHashCode();
}
private int computeHashCode() {
int hashCode = dependency.hashCode();
hashCode = 31 * hashCode + requested.hashCode();
return hashCode;
}
public ComponentSelector getRequested() {
return requested;
}
public DependencyMetadata getDependency() {
return dependency;
}
public ModuleIdentifier getModuleIdentifier() {
if (moduleIdentifier == null) {
moduleIdentifier = componentSelectorConverter.getModule(dependency.getSelector());
}
return moduleIdentifier;
}
public DependencyState withTarget(ComponentSelector target, List ruleDescriptors) {
DependencyMetadata targeted = dependency.withTarget(target);
return new DependencyState(targeted, requested, ruleDescriptors, componentSelectorConverter);
}
public DependencyState withTargetAndArtifacts(ComponentSelector target, List targetSelectors, List ruleDescriptors) {
DependencyMetadata targeted = dependency.withTargetAndArtifacts(target, toIvyArtifacts(target, targetSelectors));
return new DependencyState(targeted, requested, ruleDescriptors, componentSelectorConverter);
}
private List toIvyArtifacts(ComponentSelector target, List targetSelectors) {
return targetSelectors.stream()
.map(avs -> createArtifact(target, avs))
.collect(Collectors.toList());
}
private DefaultIvyArtifactName createArtifact(ComponentSelector target, DependencyArtifactSelector avs) {
String extension = avs.getExtension() != null ? avs.getExtension() : avs.getType();
return new DefaultIvyArtifactName(
nameOf(target),
avs.getType(),
extension,
avs.getClassifier()
);
}
private static String nameOf(ComponentSelector target) {
if (target instanceof ModuleComponentSelector) {
return ((ModuleComponentSelector) target).getModule();
}
throw new IllegalStateException("Substitution with artifacts for something else than a module is not supported");
}
public boolean isForced() {
if (!ruleDescriptors.isEmpty()) {
for (ComponentSelectionDescriptorInternal ruleDescriptor : ruleDescriptors) {
if (ruleDescriptor.isEquivalentToForce()) {
return true;
}
}
}
return isDependencyForced();
}
private boolean isDependencyForced() {
return dependency instanceof ForcingDependencyMetadata && ((ForcingDependencyMetadata) dependency).isForce();
}
public boolean isFromLock() {
return dependency instanceof LocalOriginDependencyMetadata && ((LocalOriginDependencyMetadata) dependency).isFromLock();
}
void addSelectionReasons(List reasons) {
if (reasonsAlreadyAdded) {
return;
}
reasonsAlreadyAdded = true;
addMainReason(reasons);
if (!ruleDescriptors.isEmpty()) {
addRuleDescriptors(reasons);
}
if (isDependencyForced()) {
maybeAddReason(reasons, FORCED);
}
}
private void addRuleDescriptors(List reasons) {
for (ComponentSelectionDescriptorInternal descriptor : ruleDescriptors) {
maybeAddReason(reasons, descriptor);
}
}
private void addMainReason(List reasons) {
ComponentSelectionDescriptorInternal dependencyDescriptor;
if (reasons.contains(BY_ANCESTOR)) {
dependencyDescriptor = BY_ANCESTOR;
} else {
dependencyDescriptor = dependency.isConstraint() ? CONSTRAINT : REQUESTED;
}
String reason = dependency.getReason();
if (reason != null) {
dependencyDescriptor = dependencyDescriptor.withDescription(Describables.of(reason));
}
maybeAddReason(reasons, dependencyDescriptor);
}
private static void maybeAddReason(List reasons, ComponentSelectionDescriptorInternal reason) {
if (reasons.isEmpty()) {
reasons.add(reason);
} else if (isNewReason(reasons, reason)) {
reasons.add(reason);
}
}
private static boolean isNewReason(List reasons, ComponentSelectionDescriptorInternal reason) {
return (reasons.size() == 1 && !reason.equals(reasons.get(0)))
|| !reasons.contains(reason);
}
@Override
public boolean equals(Object o) {
return this == o;
// This is a performance optimization, dependency states are deduplicated
}
@Override
public int hashCode() {
return hashCode;
}
}