| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.segment.remote.persistentcache; |
| |
| import static org.apache.jackrabbit.oak.commons.IOUtils.closeQuietly; |
| |
| import com.google.common.io.Closer; |
| |
| import org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean; |
| import org.apache.jackrabbit.oak.cache.CacheStats; |
| import org.apache.jackrabbit.oak.osgi.OsgiWhiteboard; |
| import org.apache.jackrabbit.oak.segment.spi.monitor.RoleStatisticsProvider; |
| import org.apache.jackrabbit.oak.segment.spi.persistence.persistentcache.PersistentCache; |
| import org.apache.jackrabbit.oak.spi.whiteboard.Registration; |
| import org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardUtils; |
| import org.apache.jackrabbit.oak.stats.StatisticsProvider; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.ConfigurationPolicy; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Properties; |
| |
| @Component( |
| configurationPolicy = ConfigurationPolicy.REQUIRE, |
| configurationPid = {Configuration.PID}) |
| public class RemotePersistentCacheService { |
| private ServiceRegistration registration; |
| |
| private PersistentCache persistentCache; |
| |
| private final Closer closer = Closer.create(); |
| |
| private OsgiWhiteboard osgiWhiteboard; |
| |
| @Reference |
| private StatisticsProvider statisticsProvider = StatisticsProvider.NOOP; |
| |
| @Activate |
| public void activate(ComponentContext context, Configuration config) throws IOException { |
| osgiWhiteboard = new OsgiWhiteboard(context.getBundleContext()); |
| persistentCache = createPersistentCache(config, closer); |
| if (persistentCache != null) { |
| registration = context.getBundleContext().registerService(PersistentCache.class.getName(), persistentCache, new Properties()); |
| } |
| } |
| |
| @Deactivate |
| public void deactivate() throws IOException { |
| if (registration != null) { |
| registration.unregister(); |
| registration = null; |
| } |
| closeQuietly(closer); |
| persistentCache = null; |
| } |
| |
| protected void registerCloseable(final Registration registration) { |
| closer.register(registration::unregister); |
| } |
| |
| protected <T> Registration registerMBean(Class<T> clazz, T bean, String type, String name) { |
| return WhiteboardUtils.registerMBean(osgiWhiteboard, clazz, bean, type, name); |
| } |
| |
| private PersistentCache createPersistentCache(Configuration configuration, Closer closer) { |
| |
| RoleStatisticsProvider roleStatisticsProvider = new RoleStatisticsProvider(statisticsProvider, "remote_persistence"); |
| |
| DiskCacheIOMonitor diskCacheIOMonitor = new DiskCacheIOMonitor(roleStatisticsProvider); |
| RedisCacheIOMonitor redisCacheIOMonitor = new RedisCacheIOMonitor(roleStatisticsProvider); |
| |
| if (configuration.diskCacheEnabled()) { |
| PersistentDiskCache persistentDiskCache = new PersistentDiskCache(new File(configuration.diskCacheDirectory()), configuration.diskCacheMaxSizeMB(), diskCacheIOMonitor); |
| closer.register(persistentDiskCache); |
| |
| CacheStatsMBean diskCacheStatsMBean = persistentDiskCache.getCacheStats(); |
| registerCloseable(registerMBean(CacheStatsMBean.class, diskCacheStatsMBean, CacheStats.TYPE, diskCacheStatsMBean.getName())); |
| |
| if (configuration.redisCacheEnabled()) { |
| PersistentRedisCache redisCache = new PersistentRedisCache(configuration.redisCacheHost(), configuration.redisCachePort(), configuration.redisCacheExpireSeconds(), configuration.redisSocketTimeout(), configuration.redisConnectionTimeout(), |
| configuration.redisMinConnections(), configuration.redisMaxConnections(), configuration.redisMaxTotalConnections(), configuration.redisDBIndex(), redisCacheIOMonitor); |
| persistentDiskCache.linkWith(redisCache); |
| closer.register(redisCache); |
| |
| CacheStatsMBean redisCacheStatsMBean = redisCache.getCacheStats(); |
| registerCloseable(registerMBean(CacheStatsMBean.class, redisCacheStatsMBean, CacheStats.TYPE, redisCacheStatsMBean.getName())); |
| } |
| |
| return persistentDiskCache; |
| } else if (configuration.redisCacheEnabled()) { |
| PersistentRedisCache redisCache = new PersistentRedisCache(configuration.redisCacheHost(), configuration.redisCachePort(), configuration.redisCacheExpireSeconds(), configuration.redisSocketTimeout(), configuration.redisConnectionTimeout(), |
| configuration.redisMinConnections(), configuration.redisMaxConnections(), configuration.redisMaxTotalConnections(), configuration.redisDBIndex(), redisCacheIOMonitor); |
| closer.register(redisCache); |
| |
| CacheStatsMBean redisCacheStatsMBean = redisCache.getCacheStats(); |
| registerCloseable(registerMBean(CacheStatsMBean.class, redisCacheStatsMBean, CacheStats.TYPE, redisCacheStatsMBean.getName())); |
| |
| return redisCache; |
| } |
| |
| return null; |
| } |
| } |