org.gradle.internal.resource.cached.TwoStageByUrlCachedExternalResourceIndex Maven / Gradle / Ivy
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Gradle 6.5 API redistribution.
/*
* 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.internal.resource.cached;
import org.gradle.internal.resource.metadata.ExternalResourceMetaData;
import javax.annotation.Nullable;
import java.io.File;
import java.nio.file.Path;
public class TwoStageByUrlCachedExternalResourceIndex implements CachedExternalResourceIndex {
private final Path readOnlyCachePath;
private final CachedExternalResourceIndex readOnlyCache;
private final CachedExternalResourceIndex writableCache;
public TwoStageByUrlCachedExternalResourceIndex(Path readOnlyCachePath, CachedExternalResourceIndex readOnlyCache, CachedExternalResourceIndex writableCache) {
this.readOnlyCachePath = readOnlyCachePath;
this.readOnlyCache = readOnlyCache;
this.writableCache = writableCache;
}
@Override
public void store(String key, File artifactFile, @Nullable ExternalResourceMetaData metaData) {
if (artifactFile.toPath().startsWith(readOnlyCachePath)) {
// skip writing because the file comes from the RO cache
return;
}
writableCache.store(key, artifactFile, metaData);
}
@Override
public void storeMissing(String key) {
writableCache.storeMissing(key);
}
@Nullable
@Override
public CachedExternalResource lookup(String key) {
CachedExternalResource lookup = writableCache.lookup(key);
if (lookup != null) {
return lookup;
}
return readOnlyCache.lookup(key);
}
@Override
public void clear(String key) {
writableCache.clear(key);
}
}