com.google.gerrit.server.account.externalids.ExternalIdModule Maven / Gradle / Ivy
// Copyright (C) 2017 The Android Open Source Project
//
// 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 com.google.gerrit.server.account.externalids;
import com.google.gerrit.server.account.externalids.ExternalIdCacheImpl.Loader;
import com.google.gerrit.server.cache.CacheModule;
import com.google.gerrit.server.cache.serialize.ObjectIdCacheSerializer;
import com.google.inject.TypeLiteral;
import java.time.Duration;
import org.eclipse.jgit.lib.ObjectId;
public class ExternalIdModule extends CacheModule {
@Override
protected void configure() {
persist(ExternalIdCacheImpl.CACHE_NAME, ObjectId.class, new TypeLiteral() {})
// The cached data is potentially pretty large and we are always only interested
// in the latest value. However, due to a race condition, it is possible for different
// threads to observe different values of the meta ref, and hence request different keys
// from the cache. Extend the cache size by 1 to cover this case, but expire the extra
// object after a short period of time, since it may be a potentially large amount of
// memory.
.maximumWeight(2)
.expireFromMemoryAfterAccess(Duration.ofMinutes(1))
.loader(Loader.class)
.diskLimit(-1)
.version(1)
.keySerializer(ObjectIdCacheSerializer.INSTANCE)
.valueSerializer(AllExternalIds.Serializer.INSTANCE);
bind(ExternalIdCacheImpl.class);
bind(ExternalIdCache.class).to(ExternalIdCacheImpl.class);
}
}