| /* |
| * 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.pcj.fluo.integration; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.fluo.api.client.FluoClient; |
| import org.apache.fluo.api.client.FluoFactory; |
| import org.apache.rya.api.domain.RyaStatement; |
| import org.apache.rya.api.domain.RyaURI; |
| import org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj; |
| import org.apache.rya.indexing.pcj.fluo.api.InsertTriples; |
| import org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage; |
| import org.apache.rya.indexing.pcj.storage.accumulo.AccumuloPcjStorage; |
| import org.apache.rya.pcj.fluo.test.base.RyaExportITBase; |
| import org.eclipse.rdf4j.model.ValueFactory; |
| import org.eclipse.rdf4j.model.impl.SimpleValueFactory; |
| import org.eclipse.rdf4j.query.BindingSet; |
| import org.eclipse.rdf4j.query.impl.MapBindingSet; |
| import org.junit.Test; |
| |
| import com.google.common.base.Optional; |
| import com.google.common.collect.Sets; |
| |
| /** |
| * Performs integration tests over the Fluo application geared towards Rya PCJ exporting. |
| */ |
| public class RyaExportIT extends RyaExportITBase { |
| |
| @Test |
| public void resultsExported() throws Exception { |
| final String sparql = |
| "SELECT ?customer ?worker ?city " + |
| "{ " + |
| "FILTER(?customer = <http://Alice>) " + |
| "FILTER(?city = <http://London>) " + |
| "?customer <http://talksTo> ?worker. " + |
| "?worker <http://livesIn> ?city. " + |
| "?worker <http://worksAt> <http://Chipotle>. " + |
| "}"; |
| |
| // Triples that will be streamed into Fluo after the PCJ has been created. |
| final ValueFactory vf = SimpleValueFactory.getInstance(); |
| final Set<RyaStatement> streamedTriples = Sets.newHashSet( |
| new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Bob")), |
| new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://livesIn"), new RyaURI("http://London")), |
| new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), |
| |
| new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Charlie")), |
| new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://livesIn"), new RyaURI("http://London")), |
| new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), |
| |
| new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://David")), |
| new RyaStatement(new RyaURI("http://David"), new RyaURI("http://livesIn"), new RyaURI("http://London")), |
| new RyaStatement(new RyaURI("http://David"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), |
| |
| new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), |
| new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://livesIn"), new RyaURI("http://Leeds")), |
| new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), |
| |
| new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://talksTo"), new RyaURI("http://Alice")), |
| new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://livesIn"), new RyaURI("http://London")), |
| new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle"))); |
| |
| // The expected results of the SPARQL query once the PCJ has been computed. |
| final Set<BindingSet> expected = new HashSet<>(); |
| |
| MapBindingSet bs = new MapBindingSet(); |
| bs.addBinding("customer", vf.createIRI("http://Alice")); |
| bs.addBinding("worker", vf.createIRI("http://Bob")); |
| bs.addBinding("city", vf.createIRI("http://London")); |
| expected.add(bs); |
| |
| bs = new MapBindingSet(); |
| bs.addBinding("customer", vf.createIRI("http://Alice")); |
| bs.addBinding("worker", vf.createIRI("http://Charlie")); |
| bs.addBinding("city", vf.createIRI("http://London")); |
| expected.add(bs); |
| |
| bs = new MapBindingSet(); |
| bs.addBinding("customer", vf.createIRI("http://Alice")); |
| bs.addBinding("worker", vf.createIRI("http://David")); |
| bs.addBinding("city", vf.createIRI("http://London")); |
| expected.add(bs); |
| |
| // Create the PCJ table. |
| final Connector accumuloConn = super.getAccumuloConnector(); |
| final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName()); |
| final String pcjId = pcjStorage.createPcj(sparql); |
| |
| try(FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) { |
| // Tell the Fluo app to maintain the PCJ. |
| new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName()); |
| |
| // Stream the data into Fluo. |
| new InsertTriples().insert(fluoClient, streamedTriples, Optional.absent()); |
| |
| // Fetch the exported results from Accumulo once the observers finish working. |
| super.getMiniFluo().waitForObservers(); |
| |
| // Fetch expected results from the PCJ table that is in Accumulo. |
| final Set<BindingSet> results = Sets.newHashSet( pcjStorage.listResults(pcjId) ); |
| |
| // Verify the end results of the query match the expected results. |
| assertEquals(expected, results); |
| } |
| } |
| } |