[TASK] Enhance even further, allow custom observers per query.
This commit is contained in:
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@ -66,8 +66,8 @@
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<rdf:type rdf:resource="http://example.org/carSim/carSimulationOntology#CarModel"/>
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<simontology:minimumMotorRPM rdf:datatype="xsd:integer">2000</simontology:minimumMotorRPM>
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<simontology:maximumMotorRPM rdf:datatype="xsd:integer">4300</simontology:maximumMotorRPM>
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<simontology:minimumTirePressure rdf:datatype="xsd:double">2.9</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:double">3.2</simontology:maximumTirePressure>
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<simontology:minimumTirePressure rdf:datatype="xsd:integer">29</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:integer">32</simontology:maximumTirePressure>
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<simontology:requiresDriverLicense rdf:datatype="xsd:string">B</simontology:requiresDriverLicense>
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</owl:NamedIndividual>
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@ -75,8 +75,8 @@
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<rdf:type rdf:resource="http://example.org/carSim/carSimulationOntology#CarModel"/>
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<simontology:minimumMotorRPM rdf:datatype="xsd:integer">800</simontology:minimumMotorRPM>
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<simontology:maximumMotorRPM rdf:datatype="xsd:integer">1900</simontology:maximumMotorRPM>
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<simontology:minimumTirePressure rdf:datatype="xsd:double">3.5</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:double">3.8</simontology:maximumTirePressure>
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<simontology:minimumTirePressure rdf:datatype="xsd:integer">35</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:integer">38</simontology:maximumTirePressure>
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<simontology:requiresDriverLicense rdf:datatype="xsd:string">B</simontology:requiresDriverLicense>
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</owl:NamedIndividual>
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@ -84,8 +84,8 @@
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<rdf:type rdf:resource="http://example.org/carSim/carSimulationOntology#CarModel"/>
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<simontology:minimumMotorRPM rdf:datatype="xsd:integer">1400</simontology:minimumMotorRPM>
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<simontology:maximumMotorRPM rdf:datatype="xsd:integer">2500</simontology:maximumMotorRPM>
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<simontology:minimumTirePressure rdf:datatype="xsd:double">2.6</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:double">3.0</simontology:maximumTirePressure>
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<simontology:minimumTirePressure rdf:datatype="xsd:integer">26</simontology:minimumTirePressure>
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<simontology:maximumTirePressure rdf:datatype="xsd:integer">30</simontology:maximumTirePressure>
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<simontology:requiresDriverLicense rdf:datatype="xsd:string">B</simontology:requiresDriverLicense>
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</owl:NamedIndividual>
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@ -15,7 +15,6 @@ import eu.larkc.csparql.core.engine.CsparqlQueryResultProxy;
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import eu.larkc.csparql.core.engine.RDFStreamFormatter;
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import lu.jpt.csparqlproject.gui.FancyTextObserverWindow;
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import lu.jpt.csparqlproject.misc.QueryContainer;
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import lu.jpt.csparqlproject.misc.ReasoningTester;
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import lu.jpt.csparqlproject.rentacar.RentACarSimulation;
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/**
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@ -147,7 +146,7 @@ public class SimulationContext {
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// DEBUGGING ONLY
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//ReasoningTester rt = new ReasoningTester(this.engine);
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// Spawn the whole simulation - this takes care of simulation-specific things
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simulation = new RentACarSimulation();
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simulation = new RentACarSimulation(this.engine);
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// Register all the event streams
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// Register car event stream
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RdfStream carStream = simulation.getCarStream();
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@ -159,14 +158,16 @@ public class SimulationContext {
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this.registeredStreams.add(driverStream);
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Collection<QueryContainer> queriesToRegister = new ArrayList<QueryContainer>();
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// Collect the queries to use!
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queriesToRegister.add(RentACarSimulation.getStandingCarsStream());
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queriesToRegister.add(RentACarSimulation.getMovingCarsStream());
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queriesToRegister.add(RentACarSimulation.getStronglyAcceleratingCarsStream());
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queriesToRegister.add(RentACarSimulation.getStronglyBrakingCarsStream());
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queriesToRegister.add(RentACarSimulation.getEngineWearStream());
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queriesToRegister.add(RentACarSimulation.getBrakeWearStream());
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queriesToRegister.add(RentACarSimulation.getHandbrakeWearStream());
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queriesToRegister.add(RentACarSimulation.getTireWearStream());
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queriesToRegister.add(simulation.getStandingCarsStream());
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queriesToRegister.add(simulation.getMovingCarsStream());
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queriesToRegister.add(simulation.getStronglyAcceleratingCarsStream());
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queriesToRegister.add(simulation.getStronglyBrakingCarsStream());
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queriesToRegister.add(simulation.getEngineWearStream());
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queriesToRegister.add(simulation.getBrakeWearStream());
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queriesToRegister.add(simulation.getHandbrakeWearStream());
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queriesToRegister.add(simulation.getTireWearStream());
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queriesToRegister.add(simulation.getCarTakenEventsQuery());
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queriesToRegister.add(simulation.getCarReturnedEventsQuery());
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// Now register each query appropriately!
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for(QueryContainer queryContainer : queriesToRegister) {
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CsparqlQueryResultProxy resultProxy = null;
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@ -189,6 +190,11 @@ public class SimulationContext {
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Observer resultObserver = this.createResultObserverWindow(queryContainer.name);
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resultProxy.addObserver(resultObserver);
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}
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// Attach custom observers to resultProxy if available
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// These are used for SPARQL UPDATE queries on local domain knowledge
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if(queryContainer.customObserver != null) {
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resultProxy.addObserver(queryContainer.customObserver);
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}
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this.queryResultProxies.add(resultProxy);
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SimulationContext.logger.info("Successfully registered query " + queryContainer.name + ": " + queryContainer);
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} catch (Exception e) {
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@ -1,5 +1,7 @@
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package lu.jpt.csparqlproject.misc;
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import java.util.Observer;
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import eu.larkc.csparql.common.utils.ReasonerChainingType;
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/**
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@ -15,6 +17,7 @@ public class QueryContainer {
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public String ruleSet;
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public ReasonerChainingType reasonerChainingType;
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public boolean useObserverWindow;
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public Observer customObserver;
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public QueryContainer(String name, String query, boolean isStream) {
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this.name = name;
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@ -25,6 +28,7 @@ public class QueryContainer {
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this.ruleSet = "REASONING NOT PROPERLY ENABLED";
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this.reasonerChainingType = null;
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this.useObserverWindow = false;
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this.customObserver = null;
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}
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public void enableReasoning(String ruleSet, String TBox, ReasonerChainingType reasonerChainingType) {
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@ -37,4 +41,8 @@ public class QueryContainer {
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public void useObserverWindow() {
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this.useObserverWindow = true;
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}
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public void useCustomObserver(Observer o) {
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this.customObserver = o;
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}
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}
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@ -27,8 +27,8 @@ public class Car {
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private static final String[] REQUIRED_DRIVER_LICENSE = {"B", "B", "B"};
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private static final int[] MIN_RPM = {2000, 800, 1400};
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private static final int[] MAX_RPM = {4300, 1900, 2500};
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private static final double[] MIN_TIRE_PRESSURE = {2.9, 3.5, 2.6};
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private static final double[] MAX_TIRE_PRESSURE = {3.2, 3.8, 3.0};
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private static final int[] MIN_TIRE_PRESSURE = {29, 35, 26};
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private static final int[] MAX_TIRE_PRESSURE = {32, 38, 30};
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// Generic stuff
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private int id;
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@ -49,10 +49,10 @@ public class Car {
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private boolean motorOn;
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private int motorRpm;
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private int speed;
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private double tirePressure1;
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private double tirePressure2;
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private double tirePressure3;
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private double tirePressure4;
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private int tirePressure1;
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private int tirePressure2;
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private int tirePressure3;
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private int tirePressure4;
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private boolean checkEngineLightOn;
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@ -108,10 +108,10 @@ public class Car {
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this.motorOn = false;
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this.motorRpm = 0;
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this.speed = 0;
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this.tirePressure1 = 0*(Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
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this.tirePressure2 = 0*(Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
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this.tirePressure3 = 0*(Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
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this.tirePressure4 = 0*(Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
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this.tirePressure1 = (int) (Math.ceil((Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0));
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this.tirePressure2 = (int) (Math.ceil((Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0));
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this.tirePressure3 = (int) (Math.ceil((Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0));
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this.tirePressure4 = (int) (Math.ceil((Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0));
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// State data
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this.currentState = CarState.LOCKED;
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this.currentAction = CarAction.NONE;
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@ -191,16 +191,16 @@ public class Car {
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if(RandomHelper.isLuckyByChance(0.5)) {
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switch(RandomHelper.getRandomNumberWithin(1, 4)) {
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case 1:
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this.tirePressure1 -= 0.1;
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this.tirePressure1 -= 1;
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break;
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case 2:
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this.tirePressure2 -= 0.1;
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this.tirePressure2 -= 1;
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break;
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case 3:
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this.tirePressure3 -= 0.1;
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this.tirePressure3 -= 1;
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break;
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case 4:
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this.tirePressure4 -= 0.1;
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this.tirePressure4 -= 1;
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break;
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default:
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break;
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@ -349,10 +349,10 @@ public class Car {
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"motorRPM", ""+this.motorRpm+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"speed", ""+this.speed+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"handbrakeEngaged", ""+this.handbrakeEngaged+"^^http://www.w3.org/2001/XMLSchema#boolean", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure1", ""+this.tirePressure1+"^^http://www.w3.org/2001/XMLSchema#double", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure2", ""+this.tirePressure2+"^^http://www.w3.org/2001/XMLSchema#double", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure3", ""+this.tirePressure3+"^^http://www.w3.org/2001/XMLSchema#double", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure4", ""+this.tirePressure4+"^^http://www.w3.org/2001/XMLSchema#double", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure1", ""+this.tirePressure1+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure2", ""+this.tirePressure2+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure3", ""+this.tirePressure3+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure4", ""+this.tirePressure4+"^^http://www.w3.org/2001/XMLSchema#integer", time));
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this.quads.add(new RdfQuadruple(eventIri, baseOnt+"locked", ""+this.isLocked+"^^http://www.w3.org/2001/XMLSchema#boolean", time));
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}
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@ -1,15 +1,21 @@
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package lu.jpt.csparqlproject.rentacar;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Observable;
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import java.util.Observer;
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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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import eu.larkc.csparql.common.RDFTable;
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import eu.larkc.csparql.common.RDFTuple;
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import eu.larkc.csparql.common.utils.CsparqlUtils;
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import eu.larkc.csparql.common.utils.ReasonerChainingType;
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import eu.larkc.csparql.core.engine.CsparqlEngine;
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import lu.jpt.csparqlproject.Main;
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import lu.jpt.csparqlproject.misc.QueryContainer;
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import lu.jpt.csparqlproject.util.WindowLoggingRdfStream;
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@ -42,8 +48,10 @@ public class RentACarSimulation implements Runnable {
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private RdfStream carStream;
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private RdfStream driverStream;
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private CsparqlEngine engine;
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public RentACarSimulation() {
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public RentACarSimulation(CsparqlEngine engine) {
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this.engine = engine;
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this.registerOwnPrefixes();
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int numberOfCars = 2; // Maximum of 10 cars are in the ABox (0-9)
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int numberOfCustomers = 5; // Maximum of 5 drivers are in the ABox (0-4)
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@ -164,7 +172,7 @@ public class RentACarSimulation implements Runnable {
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/**
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* 1) Query to determine cars that are standing still
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*/
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public static QueryContainer getStandingCarsStream() {
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public QueryContainer getStandingCarsStream() {
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String query = "REGISTER STREAM getStandingCars AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -188,7 +196,7 @@ public class RentACarSimulation implements Runnable {
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/**
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* 1) Query to determine cars that are moving
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*/
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public static QueryContainer getMovingCarsStream() {
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public QueryContainer getMovingCarsStream() {
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String query = "REGISTER STREAM getMovingCars AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -212,7 +220,7 @@ public class RentACarSimulation implements Runnable {
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/**
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* 2) Query to determine cars that are strongly accelerating
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*/
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public static QueryContainer getStronglyAcceleratingCarsStream() {
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public QueryContainer getStronglyAcceleratingCarsStream() {
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String query = "REGISTER STREAM getStronglyAcceleratingCars AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -247,7 +255,7 @@ public class RentACarSimulation implements Runnable {
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/**
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* 2) Query to determine cars that are strongly braking
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*/
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public static QueryContainer getStronglyBrakingCarsStream() {
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public QueryContainer getStronglyBrakingCarsStream() {
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String query = "REGISTER STREAM getStronglyBrakingCars AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -283,7 +291,7 @@ public class RentACarSimulation implements Runnable {
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* 3) Query to determine engine wear aka higher motor rpms over time
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* than the engine allows (see domain knowledge)
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*/
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public static QueryContainer getEngineWearStream() {
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public QueryContainer getEngineWearStream() {
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String query = "REGISTER STREAM getEngineWear AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -319,7 +327,7 @@ public class RentACarSimulation implements Runnable {
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* 3) Query to transform the CarStrongBrakingEvent into a
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* CarBrakeWearEvent.
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*/
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public static QueryContainer getBrakeWearStream() {
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public QueryContainer getBrakeWearStream() {
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String query = "REGISTER STREAM getBrakeWear AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -341,7 +349,7 @@ public class RentACarSimulation implements Runnable {
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/**
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* 3) Query to create CarHandbrakeWearEvents when cars are moving with their handbrake engaged
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*/
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public static QueryContainer getHandbrakeWearStream() {
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public QueryContainer getHandbrakeWearStream() {
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String query = "REGISTER STREAM getHandbrakeWear AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -367,8 +375,12 @@ public class RentACarSimulation implements Runnable {
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/**
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* 3) Query to created CarTireWearEvents when tires run with lower pressure
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* than allowed in domain knowledge.
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* Does not work for some weird reason. Maybe limits of the engine or i overlooked something big.
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* Possible solution: Use something other than xsd:double and try again.
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* Additional note: Switching to xsd:integer did NOT help. Perhaps the query is too long
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* or an internal limit is reached.
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*/
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public static QueryContainer getTireWearStream() {
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public QueryContainer getTireWearStream() {
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String query = "REGISTER STREAM getTireWear AS "
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+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
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+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
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@ -376,37 +388,115 @@ public class RentACarSimulation implements Runnable {
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+ "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
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+ "CONSTRUCT { "
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+ " [] rdf:type car:CarTireWearEvent "
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+ " ; car:relatedCar ?car "
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+ " ; car:tirePressureD1 ?tpdelta1 "
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+ " ; car:tirePressureD2 ?tpdelta2 "
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+ " ; car:tirePressureD3 ?tpdelta3 "
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+ " ; car:tirePressureD4 ?tpdelta4 "
|
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+ " ; car:minimumTirePressure ?minTirePressure . "
|
||||
+ " ; car:relatedCar ?car . "
|
||||
+ "} "
|
||||
+ "FROM STREAM <"+RentACarSimulation.CAR_STREAM_IRI+"> [RANGE 3s STEP 1s] "
|
||||
+ "FROM <http://example.org/carSimKnowledgeGraph> "
|
||||
+ "WHERE { "
|
||||
+ " ?e rdf:type car:CarStatusEvent . "
|
||||
+ " ?e car:relatedCar ?car . "
|
||||
+ " ?car car:isCarModel ?carModel . "
|
||||
+ " ?carModel car:minimumTirePressure ?minTirePressure . "
|
||||
+ " ?e car:tirePressure1 ?tpress1 . "
|
||||
+ " ?e car:tirePressure2 ?tpress2 . "
|
||||
+ " ?e car:tirePressure3 ?tpress3 . "
|
||||
+ " ?e car:tirePressure4 ?tpress4 . "
|
||||
+ " ?car car:isCarModel ?carModel . "
|
||||
+ " ?carModel car:minimumTirePressure ?minTirePressure . "
|
||||
+ " BIND(?minTirePressure - ?tpress1 AS ?tpdelta1) "
|
||||
+ " BIND(?minTirePressure - ?tpress2 AS ?tpdelta2) "
|
||||
+ " BIND(?minTirePressure - ?tpress3 AS ?tpdelta3) "
|
||||
+ " BIND(?minTirePressure - ?tpress4 AS ?tpdelta4) "
|
||||
+ " FILTER(?tpdelta1 > 0) "
|
||||
+ " FILTER(?tpress1 < ?minTirePressure || ?tpress2 < ?minTirePressure || ?tpress3 < ?minTirePressure || ?tpress4 < ?minTirePressure) "
|
||||
+ "}";
|
||||
QueryContainer queryContainer = new QueryContainer("getTireWear", query, true);
|
||||
return queryContainer;
|
||||
}
|
||||
|
||||
/**
|
||||
* 4) Query to observe in order to update the driver or
|
||||
* a car within domain knowledge accordingly.
|
||||
* This query takes note of every driver currently driving a vehicle.
|
||||
*/
|
||||
public QueryContainer getCarTakenEventsQuery() {
|
||||
String query = "REGISTER QUERY getCarTakenEvents AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
|
||||
+ "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
|
||||
+ "SELECT ?driver ?car "
|
||||
+ "FROM STREAM <"+RentACarSimulation.DRIVER_STREAM_IRI+"> [RANGE 3s STEP 1s] "
|
||||
+ "WHERE { "
|
||||
+ " ?e rdf:type car:CarTakenEvent . "
|
||||
+ " ?e car:relatedCar ?car . "
|
||||
+ " ?e car:relatedUser ?driver . "
|
||||
+ "}";
|
||||
QueryContainer queryContainer = new QueryContainer("getCarTakenEvents", query, false);
|
||||
final CsparqlEngine engine = this.engine;
|
||||
queryContainer.useCustomObserver(new Observer() {
|
||||
@Override
|
||||
public void update(Observable o, Object arg) {
|
||||
RDFTable results = (RDFTable) arg;
|
||||
Collection<RDFTuple> tuples = results.getTuples();
|
||||
for(RDFTuple tuple : tuples) {
|
||||
String driverUri = tuple.get(0);
|
||||
String carUri = tuple.get(1);
|
||||
String updateQuery = "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
|
||||
+ "INSERT DATA { "
|
||||
+ " GRAPH <http://example.org/carSimKnowledgeGraph> { "
|
||||
+ " <"+driverUri+"> car:drives <"+carUri+"> . "
|
||||
+ " <"+carUri+"> car:isDrivenBy <"+driverUri+"> . "
|
||||
+ " } "
|
||||
+ "}";
|
||||
RentACarSimulation.logger.debug(updateQuery);
|
||||
engine.execUpdateQueryOverDatasource(updateQuery);
|
||||
}
|
||||
}
|
||||
});
|
||||
return queryContainer;
|
||||
}
|
||||
|
||||
/**
|
||||
* 4) Query to observe in order to update the driver or
|
||||
* a car within domain knowledge accordingly.
|
||||
* This query removes all relationships between a driver and a car
|
||||
* when the car is being returned.
|
||||
*/
|
||||
public QueryContainer getCarReturnedEventsQuery() {
|
||||
String query = "REGISTER QUERY getCarReturnedEvents AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
|
||||
+ "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
|
||||
+ "SELECT ?driver ?car "
|
||||
+ "FROM STREAM <"+RentACarSimulation.DRIVER_STREAM_IRI+"> [RANGE 3s STEP 1s] "
|
||||
+ "WHERE { "
|
||||
+ " ?e rdf:type car:CarReturnedEvent . "
|
||||
+ " ?e car:relatedCar ?car . "
|
||||
+ " ?e car:relatedUser ?driver . "
|
||||
+ "}";
|
||||
QueryContainer queryContainer = new QueryContainer("getCarReturnedEvents", query, false);
|
||||
final CsparqlEngine engine = this.engine;
|
||||
queryContainer.useCustomObserver(new Observer() {
|
||||
@Override
|
||||
public void update(Observable o, Object arg) {
|
||||
RDFTable results = (RDFTable) arg;
|
||||
Collection<RDFTuple> tuples = results.getTuples();
|
||||
for(RDFTuple tuple : tuples) {
|
||||
String driverUri = tuple.get(0);
|
||||
String carUri = tuple.get(1);
|
||||
String updateQuery = "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
|
||||
+ "DELETE DATA { "
|
||||
+ " GRAPH <http://example.org/carSimKnowledgeGraph> { "
|
||||
+ " <"+driverUri+"> car:drives <"+carUri+"> . "
|
||||
+ " <"+carUri+"> car:isDrivenBy <"+driverUri+"> . "
|
||||
+ " } "
|
||||
+ "}";
|
||||
RentACarSimulation.logger.debug(updateQuery);
|
||||
engine.execUpdateQueryOverDatasource(updateQuery);
|
||||
}
|
||||
}
|
||||
});
|
||||
return queryContainer;
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////
|
||||
|
||||
public static QueryContainer getEventsQuery() {
|
||||
public QueryContainer getEventsQuery() {
|
||||
String query = "REGISTER QUERY getCarStatusEvents AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
|
|
@ -433,7 +523,7 @@ public class RentACarSimulation implements Runnable {
|
|||
return queryContainer;
|
||||
}
|
||||
|
||||
public static QueryContainer getEventUsingBackgroundKnowledge() {
|
||||
public QueryContainer getEventUsingBackgroundKnowledge() {
|
||||
String query = "REGISTER QUERY getEventsCombinedWithBackgroundKnowledge AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
|
|
@ -455,7 +545,7 @@ public class RentACarSimulation implements Runnable {
|
|||
return queryContainer;
|
||||
}
|
||||
|
||||
public static QueryContainer getSpeedByCar() {
|
||||
public QueryContainer getSpeedByCar() {
|
||||
String query = "REGISTER QUERY getSpeedByCar AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
|
|
@ -473,7 +563,7 @@ public class RentACarSimulation implements Runnable {
|
|||
return queryContainer;
|
||||
}
|
||||
|
||||
public static QueryContainer getAverageDataByCarAsStream() {
|
||||
public QueryContainer getAverageDataByCarAsStream() {
|
||||
String query = "REGISTER STREAM getAverageSpeedByCar AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
|
|
@ -504,7 +594,7 @@ public class RentACarSimulation implements Runnable {
|
|||
/**
|
||||
* IMPORTANT NOTE: STREAM gets matched everywhere, so don't call stuff "stream"!
|
||||
*/
|
||||
public static QueryContainer selectFromRegisteredStream() {
|
||||
public QueryContainer selectFromRegisteredStream() {
|
||||
String query = "REGISTER Query askRegisteredStrm AS "
|
||||
+ "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> "
|
||||
+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
|
||||
|
|
|
|||
Loading…
Reference in New Issue