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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.internal.resource.cached;
import com.google.common.collect.ImmutableSet;
import org.gradle.api.Action;
import org.gradle.internal.resource.local.FileAccessTracker;
import org.gradle.internal.resource.local.FileStoreException;
import org.gradle.internal.resource.local.LocallyAvailableResource;
import java.io.File;
import java.util.Collection;
import java.util.Set;
public class TwoStageExternalResourceFileStore implements ExternalResourceFileStore {
private final ExternalResourceFileStore readOnlyStore;
private final ExternalResourceFileStore writableStore;
private final DelegatingFileAccessTracker delegatingFileAccessTracker;
public TwoStageExternalResourceFileStore(ExternalResourceFileStore readOnlyStore, ExternalResourceFileStore writableStore) {
this.readOnlyStore = readOnlyStore;
this.writableStore = writableStore;
this.delegatingFileAccessTracker = new DelegatingFileAccessTracker();
}
@Override
public FileAccessTracker getFileAccessTracker() {
return delegatingFileAccessTracker;
}
@Override
public LocallyAvailableResource move(String key, File source) throws FileStoreException {
return writableStore.move(key, source);
}
@Override
public LocallyAvailableResource add(String key, Action addAction) throws FileStoreException {
return writableStore.add(key, addAction);
}
@Override
public Set search(String key) {
ImmutableSet.Builder builder = ImmutableSet.builder();
builder.addAll(writableStore.search(key));
builder.addAll(readOnlyStore.search(key));
return builder.build();
}
private class DelegatingFileAccessTracker implements FileAccessTracker {
@Override
public void markAccessed(File file) {
readOnlyStore.getFileAccessTracker().markAccessed(file);
writableStore.getFileAccessTracker().markAccessed(file);
}
@Override
public void markAccessed(Collection files) {
readOnlyStore.getFileAccessTracker().markAccessed(files);
writableStore.getFileAccessTracker().markAccessed(files);
}
}
}