| /* |
| * 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.plugins.blob.datastore; |
| |
| import com.google.common.base.Preconditions; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.ConfigurationPolicy; |
| import org.apache.jackrabbit.core.data.DataStore; |
| import org.apache.jackrabbit.oak.commons.PropertiesUtil; |
| import org.apache.jackrabbit.oak.plugins.blob.AbstractSharedCachingDataStore; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| @Component(policy = ConfigurationPolicy.REQUIRE, name = FileDataStoreService.NAME) |
| public class FileDataStoreService extends AbstractDataStoreService { |
| public static final String NAME = "org.apache.jackrabbit.oak.plugins.blob.datastore.FileDataStore"; |
| |
| private static final String DESCRIPTION = "oak.datastore.description"; |
| |
| public static final String CACHE_PATH = "cachePath"; |
| public static final String CACHE_SIZE = "cacheSize"; |
| public static final String FS_BACKEND_PATH = "fsBackendPath"; |
| public static final String PATH = "path"; |
| |
| private ServiceRegistration delegateReg; |
| |
| private Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Override |
| protected DataStore createDataStore(ComponentContext context, Map<String, Object> config) { |
| |
| long cacheSize = PropertiesUtil.toLong(config.get(CACHE_SIZE), 0L); |
| // return CachingFDS when cacheSize > 0 |
| if (cacheSize > 0) { |
| String fsBackendPath = PropertiesUtil.toString(config.get(PATH), null); |
| Preconditions.checkNotNull(fsBackendPath, "Cannot create " + |
| "FileDataStoreService with caching. [{path}] property not configured."); |
| |
| config.remove(PATH); |
| config.remove(CACHE_SIZE); |
| config.put(FS_BACKEND_PATH, fsBackendPath); |
| config.put("cacheSize", cacheSize); |
| String cachePath = PropertiesUtil.toString(config.get(CACHE_PATH), null); |
| if (cachePath != null) { |
| config.remove(CACHE_PATH); |
| config.put(PATH, cachePath); |
| } |
| Properties properties = new Properties(); |
| properties.putAll(config); |
| log.info("Initializing with properties " + properties); |
| |
| return getCachingDataStore(properties, context); |
| } else { |
| log.info("OakFileDataStore initialized"); |
| return new OakFileDataStore(); |
| } |
| } |
| |
| private DataStore getCachingDataStore(Properties props, ComponentContext context) { |
| CachingFileDataStore dataStore = new CachingFileDataStore(); |
| dataStore.setStagingSplitPercentage( |
| PropertiesUtil.toInteger(props.get("stagingSplitPercentage"), 0)); |
| dataStore.setProperties(props); |
| Dictionary<String, Object> config = new Hashtable<String, Object>(); |
| config.put(Constants.SERVICE_PID, dataStore.getClass().getName()); |
| config.put(DESCRIPTION, getDescription()); |
| |
| delegateReg = context.getBundleContext().registerService(new String[] { |
| AbstractSharedCachingDataStore.class.getName(), |
| AbstractSharedCachingDataStore.class.getName() |
| }, dataStore , config); |
| return dataStore; |
| } |
| |
| @Override |
| protected String[] getDescription() { |
| return new String[]{"type=filesystem"}; |
| } |
| } |