/*
* Copyright 2014 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.tasks.compile.incremental.jar;
import com.google.common.hash.HashCode;
import org.gradle.api.internal.cache.MinimalPersistentCache;
import org.gradle.cache.PersistentIndexedCache;
import org.gradle.internal.Factory;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
public class DefaultJarSnapshotCache implements JarSnapshotCache {
private final MinimalPersistentCache<HashCode, JarSnapshotData> cache;
public DefaultJarSnapshotCache(PersistentIndexedCache<HashCode, JarSnapshotData> persistentCache) {
cache = new MinimalPersistentCache<HashCode, JarSnapshotData>(persistentCache);
}
@Override
public Map<File, JarSnapshot> getJarSnapshots(final Map<File, HashCode> jarHashes) {
Map<File, JarSnapshot> out = new HashMap<File, JarSnapshot>();
for (Map.Entry<File, HashCode> entry : jarHashes.entrySet()) {
JarSnapshotData snapshotData = cache.get(entry.getValue());
if (snapshotData == null) {
throw new IllegalStateException("No Jar snapshot data available for " + entry.getKey() + " with hash " + entry.getValue() + ".");
}
JarSnapshot snapshot = new JarSnapshot(snapshotData);
out.put(entry.getKey(), snapshot);
}
return out;
}
@Override
public JarSnapshot get(HashCode key, final Factory<JarSnapshot> factory) {
return new JarSnapshot(cache.get(key, new Factory<JarSnapshotData>() {
public JarSnapshotData create() {
return factory.create().getData();
}
}));
}
}