[TASK] Add pattern A NOT B C to debug and stuff.
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a14388c253
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@ -14,6 +14,7 @@ import eu.larkc.csparql.core.engine.CsparqlEngineImpl;
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import eu.larkc.csparql.core.engine.CsparqlQueryResultProxy;
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import lu.jpt.csparqltest.rentacar.RentACarSimulation;
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import lu.jpt.csparqltest.util.RandomHelper;
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import lu.jpt.csparqltest.util.TestStreamGenerator;
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public class Main {
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@ -35,12 +36,14 @@ public class Main {
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engine.initialize(true);
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// Add local background knowledge from file into graph
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/*
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try {
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engine.putStaticNamedModel("http://example.org/carSimKnowledgeGraph", CsparqlUtils.serializeRDFFile("data/carSimulationABox.rdf"));
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} catch (Exception e) {
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logger.error(e.toString());
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logger.error(e.getStackTrace().toString());
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}
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*/
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/* Use a SPARQL Query to update the local knowledge from code instead of using CONSTRUCT within the engine.
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String updateQuery = "PREFIX : <http://www.streamreasoning.org/ontologies/sr4ld2014-onto#> "
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@ -55,17 +58,21 @@ public class Main {
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//logger.debug("Engine from: " + engine.getClass().getProtectionDomain().getCodeSource());
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// Create and register stream generator at specific URI
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RentACarSimulation simulation = new RentACarSimulation();
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engine.registerStream(simulation.getCarStream());
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engine.registerStream(simulation.getDriverStream());
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//RentACarSimulation simulation = new RentACarSimulation();
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//engine.registerStream(simulation.getCarStream());
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//engine.registerStream(simulation.getDriverStream());
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TestStreamGenerator testStreamGenerator = new TestStreamGenerator("http://example.org");
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engine.registerStream(testStreamGenerator);
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// Run simulation that is feeding the streams
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Thread simulationThread = new Thread(simulation);
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simulationThread.start();
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//Thread simulationThread = new Thread(simulation);
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//simulationThread.start();
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Thread testGeneratorThread = new Thread(testStreamGenerator);
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testGeneratorThread.start();
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// Now build a query to run - interchangeable
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//String query = Main.getSPO();
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String query = RentACarSimulation.getEventUsingBackgroundKnowledge();
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String query = Main.getTestPatternQuery();
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//String query = RentACarSimulation.getEventUsingBackgroundKnowledge();
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// Create a result proxy by registering the query at the engine
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CsparqlQueryResultProxy resultProxy = null;
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@ -104,16 +111,104 @@ public class Main {
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engine.unregisterQuery(resultProxy.getId());
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// Softly stop the simulation and unregister its streams
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simulation.pleaseStopSimulation();
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simulationThread.interrupt();
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engine.unregisterStream(simulation.getCarStream().getIRI());
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engine.unregisterStream(simulation.getDriverStream().getIRI());
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//simulation.pleaseStopSimulation();
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//simulationThread.interrupt();
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//engine.unregisterStream(simulation.getCarStream().getIRI());
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//engine.unregisterStream(simulation.getDriverStream().getIRI());
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testStreamGenerator.pleaseStop();
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testGeneratorThread.interrupt();
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engine.unregisterStream(testStreamGenerator.getIRI());
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// That's it!
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System.exit(0);
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}
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private static String getSPO() {
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return "REGISTER QUERY getSPO AS "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
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+ "SELECT ?s ?p ?o "
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+ "FROM STREAM <http://example.org> [RANGE 5s STEP 1s] "
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+ "WHERE { "
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+ " ?s ?p ?o . "
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+ "}";
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}
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private static String getTestPatternQuery() {
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return "REGISTER QUERY matchANotBC AS "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
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+ "SELECT ?a ?b ?c "
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+ "FROM STREAM <http://example.org> [RANGE 5s STEP 1s] "
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+ "WHERE { "
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+ " ?a a <http://example.org/type/A> . "
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+ " ?c a <http://example.org/type/C> . "
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+ " BIND(f:timestamp(?a,rdf:type,<http://example.org/type/A>) AS ?tsa) "
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+ " BIND(f:timestamp(?c,rdf:type,<http://example.org/type/C>) AS ?tsc) "
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+ " FILTER(?tsa < ?tsc) "
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+ " OPTIONAL {"
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+ " ?b a <http://example.org/type/B> . "
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+ " BIND(f:timestamp(?b,rdf:type,<http://example.org/type/B>) AS ?tsb) "
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+ " FILTER(?tsb < ?tsa || ?tsc < ?tsb)"
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+ " } "
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+ " BIND(BOUND(?b) AS ?bbound) "
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+ " BIND(?tsa < ?tsb AS ?abeforeb) "
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+ " BIND(?tsb < ?tsc AS ?bbeforec) "
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+ "}";
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}
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private static String getPatternANOTBCQuery() {
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return "REGISTER QUERY matchANotBC AS "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
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+ "SELECT ?bbound ?abeforeb ?bbeforec ?tsa ?tsb ?tsc "
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+ "FROM STREAM <http://example.org> [RANGE 5s STEP 1s] "
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+ "WHERE { "
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+ " ?a a <http://example.org/type/A> . "
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+ " ?c a <http://example.org/type/C> . "
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+ " BIND(f:timestamp(?a,rdf:type,<http://example.org/type/A>) AS ?tsa) "
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+ " BIND(f:timestamp(?c,rdf:type,<http://example.org/type/C>) AS ?tsc) "
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+ " FILTER(?tsa < ?tsc) "
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+ " OPTIONAL {"
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+ " ?b a <http://example.org/type/B> . "
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+ " BIND(f:timestamp(?b,rdf:type,<http://example.org/type/B>) AS ?tsb) "
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+ " FILTER(?tsb < ?tsa || ?tsc < ?tsb)"
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+ " } "
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+ " BIND(BOUND(?b) AS ?bbound) "
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+ " BIND(?tsa < ?tsb AS ?abeforeb) "
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+ " BIND(?tsb < ?tsc AS ?bbeforec) "
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+ "}";
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}
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private static String getTestPatternABCQuery() {
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return "REGISTER QUERY matchABC AS "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
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+ "SELECT ?tsa ?tsb ?tsc "
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+ "FROM STREAM <http://example.org> [RANGE 5s STEP 1s] "
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+ "WHERE { "
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+ " ?a a <http://example.org/type/A> . "
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+ " ?a a ?atype . "
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+ " OPTIONAL {"
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+ " ?b a <http://example.org/type/B> . "
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+ " ?b a ?btype . "
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+ " } "
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+ " ?c a <http://example.org/type/C> . "
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+ " ?c a ?ctype . "
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+ " BIND(f:timestamp(?a,rdf:type,?atype) AS ?tsa) "
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+ " BIND(f:timestamp(?b,rdf:type,?btype) AS ?tsb) "
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+ " BIND(f:timestamp(?c,rdf:type,?ctype) AS ?tsc) "
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+ " FILTER(f:timestamp(?a,rdf:type,?atype) < f:timestamp(?b,rdf:type,?btype)) "
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+ " FILTER(f:timestamp(?b,rdf:type,?btype) < f:timestamp(?c,rdf:type,?ctype)) "
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+ "}";
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}
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private static String getSPOFromRentACar() {
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return "REGISTER QUERY BasicCarInfo AS "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
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@ -0,0 +1,48 @@
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package lu.jpt.csparqltest.util;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.larkc.csparql.cep.api.RdfQuadruple;
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import eu.larkc.csparql.cep.api.RdfStream;
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public class TestStreamGenerator extends RdfStream implements Runnable {
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protected final Logger logger = LoggerFactory.getLogger(TestStreamGenerator.class);
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private volatile boolean keepRunning = false;
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public TestStreamGenerator(String iri) {
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super(iri);
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}
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public void pleaseStop() {
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keepRunning = false;
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}
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@Override
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public void run() {
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String[] EVENT_TYPES = {"A", "B", "C", "D", "E"};
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this.keepRunning = true;
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while (this.keepRunning) {
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long currentTime = System.currentTimeMillis();
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String eventID = this.getIRI() + "/event#" + currentTime;
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int randomEventNumber = RandomHelper.getRandomNumberWithin(0, EVENT_TYPES.length-1);
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String eventType = EVENT_TYPES[randomEventNumber];
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this.put(new RdfQuadruple(
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eventID,
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"http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
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this.getIRI()+"/type/"+eventType,
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currentTime
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)
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);
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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}
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