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// Copyright (C) 2014 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.git;
import static com.google.gerrit.server.config.ScheduleConfig.MISSING_CONFIG;
import com.google.common.collect.Lists;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.server.config.GcConfig;
import com.google.gerrit.server.config.ScheduleConfig;
import com.google.gerrit.server.project.ProjectCache;
import com.google.inject.Inject;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Runnable to enable scheduling gc to run periodically */
public class GarbageCollectionRunner implements Runnable {
private static final Logger gcLog = LoggerFactory.getLogger(GarbageCollection.LOG_NAME);
static class Lifecycle implements LifecycleListener {
private final WorkQueue queue;
private final GarbageCollectionRunner gcRunner;
private final GcConfig gcConfig;
@Inject
Lifecycle(WorkQueue queue, GarbageCollectionRunner gcRunner, GcConfig config) {
this.queue = queue;
this.gcRunner = gcRunner;
this.gcConfig = config;
}
@Override
public void start() {
ScheduleConfig scheduleConfig = gcConfig.getScheduleConfig();
long interval = scheduleConfig.getInterval();
long delay = scheduleConfig.getInitialDelay();
if (delay == MISSING_CONFIG && interval == MISSING_CONFIG) {
gcLog.info("Ignoring missing gc schedule configuration");
} else if (delay < 0 || interval <= 0) {
gcLog.warn(String.format("Ignoring invalid gc schedule configuration: %s", scheduleConfig));
} else {
@SuppressWarnings("unused")
Future<?> possiblyIgnoredError =
queue
.getDefaultQueue()
.scheduleAtFixedRate(gcRunner, delay, interval, TimeUnit.MILLISECONDS);
}
}
@Override
public void stop() {
// handled by WorkQueue.stop() already
}
}
private final GarbageCollection.Factory garbageCollectionFactory;
private final ProjectCache projectCache;
@Inject
GarbageCollectionRunner(
GarbageCollection.Factory garbageCollectionFactory, ProjectCache projectCache) {
this.garbageCollectionFactory = garbageCollectionFactory;
this.projectCache = projectCache;
}
@Override
public void run() {
gcLog.info("Triggering gc on all repositories");
garbageCollectionFactory.create().run(Lists.newArrayList(projectCache.all()));
}
@Override
public String toString() {
return "GC runner";
}
}