| // 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.ericsson.gerrit.plugins.eventslog.sql; |
| |
| import com.ericsson.gerrit.plugins.eventslog.EventCleanerPool; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.extensions.events.ProjectDeletedListener; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.time.Duration; |
| import java.time.ZoneId; |
| import java.time.ZonedDateTime; |
| import java.time.temporal.ChronoUnit; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| @Singleton |
| public class EventsLogCleaner implements ProjectDeletedListener { |
| private static final int HOUR = 23; |
| private static final long INTERVAL = TimeUnit.DAYS.toSeconds(1); |
| |
| private final SQLClient eventsDb; |
| private final String pluginName; |
| |
| private ScheduledExecutorService pool; |
| |
| @Inject |
| EventsLogCleaner( |
| @EventsDb SQLClient eventsDb, |
| @EventCleanerPool ScheduledExecutorService pool, |
| @PluginName String pluginName) { |
| this.eventsDb = eventsDb; |
| this.pluginName = pluginName; |
| this.pool = pool; |
| } |
| |
| @Override |
| public void onProjectDeleted(Event event) { |
| removeProjectEventsAsync(event.getProjectName()); |
| } |
| |
| public void removeProjectEventsAsync(String projectName) { |
| pool.submit(new RemoveProjectEventsTask(pluginName, projectName)); |
| } |
| |
| public void scheduleCleaningWith(int maxAge) { |
| pool.scheduleAtFixedRate( |
| new RemoveOldEventsTask(pluginName, maxAge), getInitialDelay(), INTERVAL, TimeUnit.SECONDS); |
| } |
| |
| private long getInitialDelay() { |
| ZonedDateTime now = ZonedDateTime.now(ZoneId.systemDefault()); |
| ZonedDateTime next = now.withHour(HOUR).truncatedTo(ChronoUnit.HOURS); |
| if (now.isAfter(next)) { |
| next = next.plusDays(1); |
| } |
| return Duration.between(now, next).getSeconds(); |
| } |
| |
| private class RemoveProjectEventsTask implements Runnable { |
| private final String projectName; |
| private final String taskName; |
| |
| RemoveProjectEventsTask(String prefix, String projectName) { |
| this.projectName = projectName; |
| this.taskName = String.format("[%s] Remove events for project %s", prefix, projectName); |
| } |
| |
| @Override |
| public void run() { |
| eventsDb.removeProjectEvents(projectName); |
| } |
| |
| @Override |
| public String toString() { |
| return taskName; |
| } |
| } |
| |
| private class RemoveOldEventsTask implements Runnable { |
| private final int maxAge; |
| private final String taskName; |
| |
| RemoveOldEventsTask(String prefix, int maxAge) { |
| this.maxAge = maxAge; |
| this.taskName = String.format("[%s] Remove old events", prefix); |
| } |
| |
| @Override |
| public void run() { |
| eventsDb.removeOldEvents(maxAge); |
| } |
| |
| @Override |
| public String toString() { |
| return taskName; |
| } |
| } |
| } |