org.gradle.api.internalivyservice.modulecache.dynamicversions.TwoStageModuleVersionsCache Maven / Gradle / Ivy
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/*
* Copyright 2020 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.modulecache.dynamicversions;
import com.google.common.collect.Sets;
import org.gradle.util.BuildCommencedTimeProvider;
public class TwoStageModuleVersionsCache extends AbstractModuleVersionsCache {
private final AbstractModuleVersionsCache readOnlyCache;
private final AbstractModuleVersionsCache writableCache;
public TwoStageModuleVersionsCache(BuildCommencedTimeProvider timeProvider, AbstractModuleVersionsCache readOnlyCache, AbstractModuleVersionsCache writableCache) {
super(timeProvider);
this.readOnlyCache = readOnlyCache;
this.writableCache = writableCache;
}
@Override
protected void store(ModuleAtRepositoryKey key, ModuleVersionsCacheEntry entry) {
writableCache.store(key, entry);
}
@Override
protected ModuleVersionsCacheEntry get(ModuleAtRepositoryKey key) {
ModuleVersionsCacheEntry roEntry = readOnlyCache.get(key);
ModuleVersionsCacheEntry writableEntry = writableCache.get(key);
if (roEntry == null) {
return writableEntry;
}
if (writableEntry == null) {
return roEntry;
}
return new ModuleVersionsCacheEntry(Sets.union(roEntry.moduleVersionListing, writableEntry.moduleVersionListing), writableEntry.createTimestamp);
}
}