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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.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.collect.ImmutableList;
import org.gradle.internal.Try;
import org.gradle.internal.UncheckedException;
import org.gradle.internal.execution.history.ExecutionHistoryStore;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
import java.io.File;
import java.util.concurrent.ExecutionException;
@ThreadSafe
public abstract class AbstractCachingTransformationWorkspaceProvider implements CachingTransformationWorkspaceProvider {
private final TransformationWorkspaceProvider delegate;
private final Cache>> inMemoryResultCache = CacheBuilder.newBuilder().build();
public AbstractCachingTransformationWorkspaceProvider(TransformationWorkspaceProvider delegate) {
this.delegate = delegate;
}
@Override
public ExecutionHistoryStore getExecutionHistoryStore() {
return delegate.getExecutionHistoryStore();
}
@Nullable
@Override
public Try> getCachedResult(TransformationWorkspaceIdentity identity) {
return inMemoryResultCache.getIfPresent(identity);
}
@Override
public Try> withWorkspace(TransformationWorkspaceIdentity identity, TransformationWorkspaceAction workspaceAction) {
try {
return inMemoryResultCache.get(identity, () -> delegate.withWorkspace(identity, workspaceAction));
} catch (ExecutionException e) {
throw UncheckedException.throwAsUncheckedException(e);
}
}
public void clearInMemoryCache() {
inMemoryResultCache.invalidateAll();
}
}