/*
* 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.ivyresolve.memcache;
import com.google.common.collect.Maps;
import org.gradle.api.artifacts.ModuleVersionSelector;
import org.gradle.api.artifacts.component.ModuleComponentIdentifier;
import org.gradle.api.internal.artifacts.repositories.resolver.MetadataFetchingCost;
import org.gradle.internal.Factory;
import org.gradle.internal.resolve.result.BuildableModuleComponentMetaDataResolveResult;
import org.gradle.internal.resolve.result.BuildableModuleVersionListingResolveResult;
import java.util.Map;
import java.util.Set;
import static org.gradle.internal.resolve.result.BuildableModuleVersionListingResolveResult.State.Listed;
class InMemoryMetaDataCache {
private final Map<ModuleVersionSelector, Set<String>> moduleVersionListing = Maps.newConcurrentMap();
private final Map<ModuleComponentIdentifier, CachedModuleVersionResult> metaData = Maps.newConcurrentMap();
private final Map<ModuleComponentIdentifier, MetadataFetchingCost> fetchingCosts = Maps.newConcurrentMap();
public boolean supplyModuleVersions(ModuleVersionSelector requested, BuildableModuleVersionListingResolveResult result) {
Set<String> versions = moduleVersionListing.get(requested);
if (versions == null) {
return false;
}
result.listed(versions);
return true;
}
public void newModuleVersions(ModuleVersionSelector requested, BuildableModuleVersionListingResolveResult result) {
if (result.getState() == Listed) {
moduleVersionListing.put(requested, result.getVersions());
}
}
boolean supplyMetaData(ModuleComponentIdentifier requested, BuildableModuleComponentMetaDataResolveResult result) {
CachedModuleVersionResult fromCache = metaData.get(requested);
if (fromCache == null) {
return false;
}
fromCache.supply(result);
return true;
}
void newDependencyResult(ModuleComponentIdentifier requested, BuildableModuleComponentMetaDataResolveResult result) {
CachedModuleVersionResult cachedResult = new CachedModuleVersionResult(result);
if (cachedResult.isCacheable()) {
metaData.put(requested, cachedResult);
}
}
MetadataFetchingCost getOrCacheFetchingCost(ModuleComponentIdentifier id, Factory<MetadataFetchingCost> costFactory) {
MetadataFetchingCost cost = fetchingCosts.get(id);
if (cost == null) {
cost = costFactory.create();
fetchingCosts.put(id, cost);
}
return cost;
}
void cacheFetchingCost(ModuleComponentIdentifier id, MetadataFetchingCost cost) {
fetchingCosts.put(id, cost);
}
}