| /** |
| * 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.rya.indexing.statement.metadata.matching; |
| |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.Instance; |
| import org.apache.accumulo.core.client.ZooKeeperInstance; |
| import org.apache.accumulo.core.client.mock.MockInstance; |
| import org.apache.accumulo.core.client.security.tokens.PasswordToken; |
| import org.apache.rya.accumulo.AccumuloRdfConfiguration; |
| import org.apache.rya.accumulo.query.AccumuloRyaQueryEngine; |
| import org.apache.rya.api.RdfCloudTripleStoreConfiguration; |
| import org.apache.rya.api.persist.query.RyaQueryEngine; |
| import org.apache.rya.indexing.accumulo.ConfigUtils; |
| import org.apache.rya.mongodb.MongoDBQueryEngine; |
| import org.apache.rya.mongodb.StatefulMongoDBRdfConfiguration; |
| |
| /** |
| * THis class creates the appropriate {@link RyaQueryEngine} based on the type of |
| * {@link RdfCloudTripleStoreConfiguration} object that is passed in and whether or not |
| * Rya is configured to use Mongo. |
| */ |
| public class RyaQueryEngineFactory { |
| |
| @SuppressWarnings("unchecked") |
| public static <C extends RdfCloudTripleStoreConfiguration> RyaQueryEngine<C> getQueryEngine(RdfCloudTripleStoreConfiguration conf) { |
| if(conf instanceof AccumuloRdfConfiguration) { |
| AccumuloRdfConfiguration aConf = (AccumuloRdfConfiguration) conf; |
| Instance instance; |
| String instanceName = aConf.get("sc.cloudbase.instancename"); |
| String user = aConf.get("sc.cloudbase.username"); |
| String password = aConf.get("sc.cloudbase.password"); |
| if(aConf.getBoolean(".useMockInstance", false)) { |
| instance = new MockInstance(instanceName); |
| } else { |
| String zookeepers = aConf.get("sc.cloudbase.zookeepers"); |
| instance = new ZooKeeperInstance(instanceName, zookeepers); |
| } |
| Connector conn; |
| try { |
| conn = instance.getConnector(user, new PasswordToken(password)); |
| } catch (AccumuloException | AccumuloSecurityException e) { |
| throw new RuntimeException(e); |
| } |
| return (RyaQueryEngine<C>) new AccumuloRyaQueryEngine(conn, aConf); |
| } else if(conf instanceof StatefulMongoDBRdfConfiguration && ConfigUtils.getUseMongo(conf)) { |
| StatefulMongoDBRdfConfiguration mongoConf = (StatefulMongoDBRdfConfiguration)conf; |
| MongoDBQueryEngine mongoQueryEngine = new MongoDBQueryEngine(); |
| mongoQueryEngine.setConf(mongoConf); |
| return (RyaQueryEngine<C>) mongoQueryEngine; |
| } else { |
| throw new IllegalArgumentException("Invalid configuration type."); |
| } |
| } |
| } |