| /* |
| * 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.streams.kafka.processors.filter; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import org.apache.kafka.streams.processor.TopologyBuilder; |
| import org.apache.rya.api.function.projection.RandomUUIDFactory; |
| import org.apache.rya.api.model.VisibilityBindingSet; |
| import org.apache.rya.api.model.VisibilityStatement; |
| import org.apache.rya.indexing.GeoConstants; |
| import org.apache.rya.streams.kafka.KafkaTopics; |
| import org.apache.rya.streams.kafka.RyaStreamsTestUtil; |
| import org.apache.rya.streams.kafka.processors.filter.FilterProcessorSupplier.FilterProcessor; |
| import org.apache.rya.streams.kafka.serialization.VisibilityBindingSetDeserializer; |
| import org.apache.rya.streams.kafka.topology.TopologyFactory; |
| import org.apache.rya.test.kafka.KafkaTestInstanceRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.openrdf.model.Resource; |
| import org.openrdf.model.Statement; |
| import org.openrdf.model.URI; |
| import org.openrdf.model.Value; |
| import org.openrdf.model.ValueFactory; |
| import org.openrdf.model.impl.StatementImpl; |
| import org.openrdf.model.impl.ValueFactoryImpl; |
| import org.openrdf.query.algebra.evaluation.function.Function; |
| import org.openrdf.query.algebra.evaluation.function.FunctionRegistry; |
| import org.openrdf.query.impl.MapBindingSet; |
| |
| import com.vividsolutions.jts.geom.Coordinate; |
| import com.vividsolutions.jts.geom.Geometry; |
| import com.vividsolutions.jts.geom.GeometryFactory; |
| import com.vividsolutions.jts.io.WKTWriter; |
| |
| /** |
| * Integration tests the geo methods of {@link FilterProcessor}. |
| */ |
| public class GeoFilterIT { |
| private static final String GEO = "http://www.opengis.net/def/function/geosparql/"; |
| private static final GeometryFactory GF = new GeometryFactory(); |
| private static final Geometry ZERO = GF.createPoint(new Coordinate(0, 0)); |
| private static final Geometry ONE = GF.createPoint(new Coordinate(1, 1)); |
| |
| @Rule |
| public KafkaTestInstanceRule kafka = new KafkaTestInstanceRule(true); |
| |
| @Test |
| public void showGeoFunctionsRegistered() { |
| int count = 0; |
| final Collection<Function> funcs = FunctionRegistry.getInstance().getAll(); |
| for (final Function fun : funcs) { |
| if (fun.getURI().startsWith(GEO)) { |
| count++; |
| } |
| } |
| |
| // There are 30 geo functions registered, ensure that there are 30. |
| assertEquals(30, count); |
| } |
| |
| @Test |
| public void showProcessorWorks() throws Exception { |
| // Enumerate some topics that will be re-used |
| final String ryaInstance = UUID.randomUUID().toString(); |
| final UUID queryId = UUID.randomUUID(); |
| final String statementsTopic = KafkaTopics.statementsTopic(ryaInstance); |
| final String resultsTopic = KafkaTopics.queryResultsTopic(queryId); |
| |
| // Get the RDF model objects that will be used to build the query. |
| final String sparql = |
| "PREFIX geo: <http://www.opengis.net/ont/geosparql#>\n" |
| + "PREFIX geof: <" + GEO + ">\n" |
| + "SELECT * \n" |
| + "WHERE { \n" |
| + " <urn:event1> geo:asWKT ?point .\n" |
| + " FILTER(geof:sfWithin(?point, \"POLYGON((-3 -2, -3 2, 1 2, 1 -2, -3 -2))\"^^geo:wktLiteral)) " |
| + "}"; |
| |
| // Setup a topology. |
| final TopologyBuilder builder = new TopologyFactory().build(sparql, statementsTopic, resultsTopic, new RandomUUIDFactory()); |
| |
| // Create the statements that will be input into the query. |
| final ValueFactory vf = new ValueFactoryImpl(); |
| final List<VisibilityStatement> statements = getStatements(); |
| |
| // Make the expected results. |
| final Set<VisibilityBindingSet> expected = new HashSet<>(); |
| final MapBindingSet bs = new MapBindingSet(); |
| final WKTWriter w = new WKTWriter(); |
| bs.addBinding("point", vf.createLiteral(w.write(ZERO), GeoConstants.XMLSCHEMA_OGC_WKT)); |
| expected.add( new VisibilityBindingSet(bs, "a") ); |
| |
| // Run the test. |
| RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class); |
| } |
| |
| private List<VisibilityStatement> getStatements() throws Exception { |
| final List<VisibilityStatement> statements = new ArrayList<>(); |
| // geo 2x2 points |
| statements.add(new VisibilityStatement(statement(ZERO), "a")); |
| statements.add(new VisibilityStatement(statement(ONE), "a")); |
| return statements; |
| } |
| |
| private static Statement statement(final Geometry geo) { |
| final ValueFactory vf = new ValueFactoryImpl(); |
| final Resource subject = vf.createURI("urn:event1"); |
| final URI predicate = GeoConstants.GEO_AS_WKT; |
| final WKTWriter w = new WKTWriter(); |
| final Value object = vf.createLiteral(w.write(geo), GeoConstants.XMLSCHEMA_OGC_WKT); |
| return new StatementImpl(subject, predicate, object); |
| } |
| } |