org.gradle.api.internalivyservice.resolveengine.graph.conflicts.UpgradeCapabilityResolver Maven / Gradle / Ivy
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/*
* Copyright 2018 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.conflicts;
import com.google.common.collect.Sets;
import org.gradle.api.capabilities.Capability;
import org.gradle.internal.Describables;
import org.gradle.internal.DisplayName;
import org.gradle.internal.component.external.model.CapabilityInternal;
import org.gradle.util.VersionNumber;
import java.util.Collection;
import java.util.Set;
/**
* A resolver which will automatically upgrade a capability to its latest version. It will evict the components
* which are not associated with the selected version, but will not perform a selection by itself.
*/
public class UpgradeCapabilityResolver implements CapabilitiesConflictHandler.Resolver {
@Override
public void resolve(CapabilitiesConflictHandler.ResolutionDetails details) {
Collection capabilityVersions = details.getCapabilityVersions();
if (capabilityVersions.size() > 1) {
Set sorted = Sets.newTreeSet((o1, o2) -> {
VersionNumber v1 = VersionNumber.parse(o1.getVersion());
VersionNumber v2 = VersionNumber.parse(o2.getVersion());
return v2.compareTo(v1);
});
sorted.addAll(capabilityVersions);
boolean first = true;
for (Capability capability : sorted) {
DisplayName reason = Describables.of("latest version of capability", ((CapabilityInternal) capability).getCapabilityId());
boolean isFirst = first;
details.getCandidates(capability).forEach(cand -> {
cand.byReason(reason);
if (!isFirst) {
cand.evict();
}
});
first = false;
}
}
}
}