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// Copyright (C) 2018 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.index;
import com.google.gerrit.index.IndexConfig;
import com.google.gerrit.index.Schema;
import com.google.gerrit.index.project.ProjectIndex;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.index.account.AccountIndex;
import com.google.gerrit.server.index.change.ChangeIndex;
import com.google.gerrit.server.index.group.GroupIndex;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.assistedinject.FactoryModuleBuilder;
import java.util.Map;
import org.eclipse.jgit.lib.Config;
public abstract class AbstractIndexModule extends AbstractModule {
private final int threads;
private final Map<String, Integer> singleVersions;
private final boolean slave;
protected AbstractIndexModule(Map<String, Integer> singleVersions, int threads, boolean slave) {
this.singleVersions = singleVersions;
this.threads = threads;
this.slave = slave;
}
@Override
protected void configure() {
if (slave) {
bind(AccountIndex.Factory.class).toInstance(AbstractIndexModule::createDummyIndexFactory);
bind(ChangeIndex.Factory.class).toInstance(AbstractIndexModule::createDummyIndexFactory);
bind(ProjectIndex.Factory.class).toInstance(AbstractIndexModule::createDummyIndexFactory);
} else {
install(
new FactoryModuleBuilder()
.implement(AccountIndex.class, getAccountIndex())
.build(AccountIndex.Factory.class));
install(
new FactoryModuleBuilder()
.implement(ChangeIndex.class, getChangeIndex())
.build(ChangeIndex.Factory.class));
install(
new FactoryModuleBuilder()
.implement(ProjectIndex.class, getProjectIndex())
.build(ProjectIndex.Factory.class));
}
install(
new FactoryModuleBuilder()
.implement(GroupIndex.class, getGroupIndex())
.build(GroupIndex.Factory.class));
install(new IndexModule(threads, slave));
if (singleVersions == null) {
install(new MultiVersionModule());
} else {
install(new SingleVersionModule(singleVersions));
}
}
@SuppressWarnings("unused")
private static <T> T createDummyIndexFactory(Schema<?> schema) {
throw new UnsupportedOperationException();
}
protected abstract Class<? extends AccountIndex> getAccountIndex();
protected abstract Class<? extends ChangeIndex> getChangeIndex();
protected abstract Class<? extends GroupIndex> getGroupIndex();
protected abstract Class<? extends ProjectIndex> getProjectIndex();
protected abstract Class<? extends VersionManager> getVersionManager();
@Provides
@Singleton
IndexConfig provideIndexConfig(@GerritServerConfig Config cfg) {
return getIndexConfig(cfg);
}
protected IndexConfig getIndexConfig(@GerritServerConfig Config cfg) {
return IndexConfig.fromConfig(cfg).separateChangeSubIndexes(true).build();
}
private class MultiVersionModule extends LifecycleModule {
@Override
public void configure() {
Class<? extends VersionManager> versionManagerClass = getVersionManager();
bind(VersionManager.class).to(versionManagerClass);
listener().to(versionManagerClass);
}
}
}
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