com.google.gerrit.server.index.OnlineUpgrader 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.index;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.inject.Inject;
/** Listener to handle upgrading index schema versions at startup. */
public class OnlineUpgrader implements LifecycleListener {
public static class OnlineUpgraderModule extends LifecycleModule {
@Override
protected void configure() {
listener().to(OnlineUpgrader.class);
}
}
private final VersionManager versionManager;
@Inject
OnlineUpgrader(VersionManager versionManager) {
this.versionManager = versionManager;
}
@Override
public void start() {
versionManager.startOnlineUpgrade();
}
@Override
public void stop() {
// Do nothing; reindexing threadpools are shut down in another listener, and indexes are closed
// on demand by IndexCollection.
}
}