/*
* Copyright 2013 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.ivyservice.resolveengine.store;
import org.gradle.api.artifacts.result.ResolvedComponentResult;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.oldresult.TransientConfigurationResults;
import org.gradle.api.internal.cache.Store;
import org.gradle.api.internal.file.TemporaryFileProvider;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.internal.concurrent.CompositeStoppable;
import org.gradle.util.Clock;
import java.io.Closeable;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
public class ResolutionResultsStoreFactory implements Closeable {
private final static Logger LOG = Logging.getLogger(ResolutionResultsStoreFactory.class);
private static final int DEFAULT_MAX_SIZE = 2000000000; //2 gigs
private final TemporaryFileProvider temp;
private int maxSize;
private CachedStoreFactory oldModelCache;
private CachedStoreFactory newModelCache;
private int storeSetBaseId;
public ResolutionResultsStoreFactory(TemporaryFileProvider temp) {
this(temp, DEFAULT_MAX_SIZE);
}
/**
* @param temp
* @param maxSize - indicates the approx. maximum size of the binary store that will trigger rolling of the file
*/
ResolutionResultsStoreFactory(TemporaryFileProvider temp, int maxSize) {
this.temp = temp;
this.maxSize = maxSize;
}
private final Map<String, DefaultBinaryStore> stores = new HashMap<String, DefaultBinaryStore>();
private final CompositeStoppable cleanUpLater = new CompositeStoppable();
private DefaultBinaryStore createBinaryStore(String storeKey) {
DefaultBinaryStore store = stores.get(storeKey);
if (store == null || isFull(store)) {
File storeFile = temp.createTemporaryFile("gradle", ".bin");
storeFile.deleteOnExit();
store = new DefaultBinaryStore(storeFile);
stores.put(storeKey, store);
cleanUpLater.add(store);
}
return store;
}
public StoreSet createStoreSet() {
return new StoreSet() {
int storeSetId = storeSetBaseId++;
int binaryStoreId;
public DefaultBinaryStore nextBinaryStore() {
//one binary store per id+threadId
String storeKey = Thread.currentThread().getId() + "-" + binaryStoreId++;
return createBinaryStore(storeKey);
}
public Store<ResolvedComponentResult> oldModelStore() {
if (oldModelCache == null) {
oldModelCache = new CachedStoreFactory("Resolution result");
cleanUpLater.add(oldModelCache);
}
return oldModelCache.createCachedStore(storeSetId);
}
public Store<TransientConfigurationResults> newModelStore() {
if (newModelCache == null) {
newModelCache = new CachedStoreFactory("Resolved configuration");
cleanUpLater.add(newModelCache);
}
return newModelCache.createCachedStore(storeSetId);
}
};
}
//offset based implementation is only safe up to certain figure
//because of the int max value
//for large streams/files (huge builds), we need to roll the file
//otherwise the stream.size() returns max integer and the offset is no longer correct
private boolean isFull(DefaultBinaryStore store) {
return store.getSize() > maxSize;
}
public void close() {
try {
Clock clock = new Clock();
cleanUpLater.stop();
LOG.debug("Deleted {} resolution results binary files in {}", stores.size(), clock.getTime());
} finally {
oldModelCache = null;
newModelCache = null;
stores.clear();
}
}
}