org.gradle.api.internaltransform.ImmutableTransformationWorkspaceProvider 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.transform;
import com.google.common.collect.ImmutableList;
import org.gradle.cache.CacheBuilder;
import org.gradle.cache.CacheRepository;
import org.gradle.cache.CleanupAction;
import org.gradle.cache.FileLockManager;
import org.gradle.cache.PersistentCache;
import org.gradle.cache.internal.CompositeCleanupAction;
import org.gradle.cache.internal.LeastRecentlyUsedCacheCleanup;
import org.gradle.cache.internal.SingleDepthFilesFinder;
import org.gradle.internal.Try;
import org.gradle.internal.execution.history.ExecutionHistoryStore;
import org.gradle.internal.file.FileAccessTimeJournal;
import org.gradle.internal.resource.local.SingleDepthFileAccessTracker;
import javax.annotation.concurrent.NotThreadSafe;
import java.io.Closeable;
import java.io.File;
import static org.gradle.api.internal.artifacts.ivyservice.CacheLayout.TRANSFORMS_STORE;
import static org.gradle.cache.internal.LeastRecentlyUsedCacheCleanup.DEFAULT_MAX_AGE_IN_DAYS_FOR_RECREATABLE_CACHE_ENTRIES;
import static org.gradle.cache.internal.filelock.LockOptionsBuilder.mode;
@NotThreadSafe
public class ImmutableTransformationWorkspaceProvider implements TransformationWorkspaceProvider, Closeable {
private static final int FILE_TREE_DEPTH_TO_TRACK_AND_CLEANUP = 1;
private final SingleDepthFileAccessTracker fileAccessTracker;
private final File filesOutputDirectory;
private final ExecutionHistoryStore executionHistoryStore;
private final PersistentCache cache;
public ImmutableTransformationWorkspaceProvider(File transformsStoreDirectory, CacheRepository cacheRepository, FileAccessTimeJournal fileAccessTimeJournal, ExecutionHistoryStore executionHistoryStore) {
filesOutputDirectory = new File(transformsStoreDirectory, TRANSFORMS_STORE.getKey());
this.executionHistoryStore = executionHistoryStore;
cache = cacheRepository
.cache(transformsStoreDirectory)
.withCleanup(createCleanupAction(filesOutputDirectory, fileAccessTimeJournal))
.withCrossVersionCache(CacheBuilder.LockTarget.DefaultTarget)
.withDisplayName("Artifact transforms cache")
.withLockOptions(mode(FileLockManager.LockMode.None)) // Lock on demand
.open();
fileAccessTracker = new SingleDepthFileAccessTracker(fileAccessTimeJournal, filesOutputDirectory, FILE_TREE_DEPTH_TO_TRACK_AND_CLEANUP);
}
private CleanupAction createCleanupAction(File filesOutputDirectory, FileAccessTimeJournal fileAccessTimeJournal) {
return CompositeCleanupAction.builder()
.add(filesOutputDirectory, new LeastRecentlyUsedCacheCleanup(new SingleDepthFilesFinder(FILE_TREE_DEPTH_TO_TRACK_AND_CLEANUP), fileAccessTimeJournal, DEFAULT_MAX_AGE_IN_DAYS_FOR_RECREATABLE_CACHE_ENTRIES))
.build();
}
@Override
public ExecutionHistoryStore getExecutionHistoryStore() {
return executionHistoryStore;
}
@Override
public Try> withWorkspace(TransformationWorkspaceIdentity identity, TransformationWorkspaceAction workspaceAction) {
return cache.withFileLock(() -> {
String workspacePath = identity.getIdentity();
TransformationWorkspace workspace = new DefaultTransformationWorkspace(new File(filesOutputDirectory, workspacePath));
fileAccessTracker.markAccessed(workspace.getResultsFile());
fileAccessTracker.markAccessed(workspace.getOutputDirectory());
return workspaceAction.useWorkspace(workspacePath, workspace);
});
}
@Override
public void close() {
cache.close();
}
}