org.gradle.api.internalivyservice.resolveengine.graph.builder.PendingDependencies Maven / Gradle / Ivy
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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.Sets;
import org.gradle.api.artifacts.ModuleIdentifier;
import java.util.Set;
public class PendingDependencies {
private final ModuleIdentifier moduleIdentifier;
private final Set constraintProvidingNodes;
private int hardEdges;
private boolean reportActivePending;
PendingDependencies(ModuleIdentifier moduleIdentifier) {
this.moduleIdentifier = moduleIdentifier;
this.constraintProvidingNodes = Sets.newLinkedHashSet();
this.hardEdges = 0;
this.reportActivePending = true;
}
void registerConstraintProvider(NodeState nodeState) {
if (hardEdges != 0) {
throw new IllegalStateException("Cannot add a pending node for a dependency which is not pending");
}
constraintProvidingNodes.add(nodeState);
if (nodeState.getComponent().getModule().isVirtualPlatform()) {
reportActivePending = false;
}
}
public void unregisterConstraintProvider(NodeState nodeState) {
if (hardEdges != 0) {
throw new IllegalStateException("Cannot remove a pending node for a dependency which is not pending");
}
boolean removed = constraintProvidingNodes.remove(nodeState);
}
void turnIntoHardDependencies() {
for (NodeState affectedComponent : constraintProvidingNodes) {
affectedComponent.prepareForConstraintNoLongerPending(moduleIdentifier);
}
constraintProvidingNodes.clear();
reportActivePending = true;
}
public boolean isPending() {
return hardEdges == 0;
}
boolean hasConstraintProviders() {
return !constraintProvidingNodes.isEmpty();
}
void increaseHardEdgeCount() {
hardEdges++;
}
void decreaseHardEdgeCount() {
assert hardEdges > 0 : "Cannot remove a hard edge when none recorded";
hardEdges--;
}
public boolean shouldReportActivatePending() {
return reportActivePending;
}
}