testgenericrules.java

jena2.5.4推理机系统的一种最基本实现 HP实验室出品

            } );
       
        // Manual reconfig and check retrieval of changes
        reasoner.setParameter(ReasonerVocabulary.PROPderivationLogging, "false");
        newConfig = m2.createResource();
        reasoner.addDescription(m2, newConfig);
        TestUtil.assertIteratorValues(this, newConfig.listProperties(), new Statement[] {
            m2.createStatement(newConfig, ReasonerVocabulary.PROPderivationLogging, "false"),
            m2.createStatement(newConfig, ReasonerVocabulary.PROPruleMode, "hybrid"),
            m2.createStatement(newConfig, ReasonerVocabulary.PROPruleSet, "testing/reasoners/genericRuleTest.rules")
            } );
        
        // Mutiple rule file loading
        m = ModelFactory.createDefaultModel();
        configuration= m.createResource(GenericRuleReasonerFactory.URI);
        configuration.addProperty(ReasonerVocabulary.PROPruleMode, "hybrid");
        configuration.addProperty(ReasonerVocabulary.PROPruleSet, "testing/reasoners/ruleset1.rules");
        configuration.addProperty(ReasonerVocabulary.PROPruleSet, "testing/reasoners/ruleset2.rules");
        reasoner = (GenericRuleReasoner)GenericRuleReasonerFactory.theInstance().create(configuration);
        
        infgraph = reasoner.bind(Factory.createGraphMem());
        Node an = Node.createURI(PrintUtil.egNS + "a");
        Node C = Node.createURI(PrintUtil.egNS + "C");
        Node D = Node.createURI(PrintUtil.egNS + "D");
        TestUtil.assertIteratorValues(this, 
              infgraph.find(null, null, null), new Object[] {
                new Triple(an, RDF.Nodes.type, C),
                new Triple(an, RDF.Nodes.type, D),
              } );
        
        // Test that the parameter initialization is not be overridden by subclasses
        m = ModelFactory.createDefaultModel();
        configuration = m.createResource(GenericRuleReasonerFactory.URI);
        configuration.addProperty( ReasonerVocabulary.PROPenableTGCCaching, m.createLiteral("true") );
        reasoner = (GenericRuleReasoner)GenericRuleReasonerFactory.theInstance().create(configuration);
        InfModel im = ModelFactory.createInfModel(reasoner, ModelFactory.createDefaultModel());
        Resource Ac = im.createResource(PrintUtil.egNS + "A");
        Resource Bc = im.createResource(PrintUtil.egNS + "B");
        Resource Cc = im.createResource(PrintUtil.egNS + "C");
        im.add(Ac, RDFS.subClassOf, Bc);
        im.add(Bc, RDFS.subClassOf, Cc);
        assertTrue("TGC enabled correctly", im.contains(Ac, RDFS.subClassOf, Cc));
        
     }
    
    /**
     * Test control of functor filtering
     */
    public void testHybridFunctorFilter() {
        Graph data = Factory.createGraphMem();
        data.add(new Triple(a, r, b));
        data.add(new Triple(a, p, s));
        List rules = Rule.parseRules( "[r0: (?x r ?y) (?x p ?z) -> (?x q func(?y, ?z)) ]" );        
        GenericRuleReasoner reasoner = (GenericRuleReasoner)GenericRuleReasonerFactory.theInstance().create(null);
        reasoner.setRules(rules);
        reasoner.setMode(GenericRuleReasoner.HYBRID);
        
        InfGraph infgraph = reasoner.bind(data);
        TestUtil.assertIteratorValues(this, 
              infgraph.find(null, q, null), new Object[] {
              } );
              
        reasoner.setFunctorFiltering(false);
        infgraph = reasoner.bind(data);
        TestUtil.assertIteratorValues(this, 
              infgraph.find(null, q, null), new Object[] {
                  new Triple(a, q, Functor.makeFunctorNode("func", new Node[]{b, s}))
              } );
    }
    
    /**
     * Test the @prefix and @include extensions to the rule parser
     */
    public void testExtendedRuleParser() {
        List rules = Rule.rulesFromURL("file:testing/reasoners/ruleParserTest1.rules");
        GenericRuleReasoner reasoner = new GenericRuleReasoner(rules);
        reasoner.setTransitiveClosureCaching(true);
        Model base = ModelFactory.createDefaultModel();
        InfModel m = ModelFactory.createInfModel(reasoner, base);
        
        // Check prefix case
        String NS1 = "http://jena.hpl.hp.com/newprefix#";
        String NS2 = "http://jena.hpl.hp.com/newprefix2#";
        String NS3 = "http://jena.hpl.hp.com/newprefix3#";
        Resource A = m.getResource(NS1 + "A"); 
        Resource C = m.getResource(NS1 + "C"); 
        Property p = m.getProperty(NS2 + "p");
        Property a = m.getProperty(NS3 + "a");
        Resource foo = m.getResource(NS1 + "foo");
        assertTrue("@prefix test", m.contains(A, p, foo));
        
        // Check RDFS rule inclusion
        assertTrue("@include RDFS test", m.contains(A, RDFS.subClassOf, C));
        assertTrue("@include test", m.contains(a,a,a));
    }

    /**
     * Test add/remove support
     */
    public void testAddRemove() {
        doTestAddRemove(false);
        doTestAddRemove(true);
    }
    
    /**
     * Internals of add/remove test.
     * @param useTGC set to true to use transitive caching
     */
    public void doTestAddRemove(boolean useTGC) {
        Graph data = Factory.createGraphMem();
        data.add(new Triple(a, p, C1));
        data.add(new Triple(C1, sC, C2));
        data.add(new Triple(C2, sC, C3));
        List rules = Rule.parseRules(
        "-> table(rdf:type)." +
        "[r1: (?x p ?c) -> (?x rdf:type ?c)] " +
        "[rdfs9:  (?x rdfs:subClassOf ?y) -> [ (?a rdf:type ?y) <- (?a rdf:type ?x)] ]"
                          );
        if (!useTGC) {
            rules.add(Rule.parseRule("[rdfs8:  (?a rdfs:subClassOf ?b), (?b rdfs:subClassOf ?c) -> (?a rdfs:subClassOf ?c)] "));        
        }
        GenericRuleReasoner reasoner = (GenericRuleReasoner)GenericRuleReasonerFactory.theInstance().create(null);
        reasoner.setRules(rules);
//        reasoner.setTraceOn(true);
        reasoner.setMode(GenericRuleReasoner.HYBRID);
        reasoner.setTransitiveClosureCaching(useTGC);
        
        InfGraph infgraph = reasoner.bind(data);
        TestUtil.assertIteratorValues(this, 
              infgraph.find(a, ty, null), new Object[] {
                  new Triple(a, ty, C1),
                  new Triple(a, ty, C2),
                  new Triple(a, ty, C3)
              } );
              
        logger.debug("Checkpoint 1");
        infgraph.delete(new Triple(C1, sC, C2));
        TestUtil.assertIteratorValues(this, 
              infgraph.find(a, ty, null), new Object[] {
                  new Triple(a, ty, C1)
              } );
         
        logger.debug("Checkpoint 2");
        infgraph.add(new Triple(C1, sC, C3));
        infgraph.add(new Triple(b, p, C2));
        TestUtil.assertIteratorValues(this, 
              infgraph.find(a, ty, null), new Object[] {
                  new Triple(a, ty, C1),
                  new Triple(a, ty, C3)
              } );
        TestUtil.assertIteratorValues(this, 
              infgraph.find(b, ty, null), new Object[] {
                  new Triple(b, ty, C2),
                  new Triple(b, ty, C3)
              } );
         
        TestUtil.assertIteratorValues(this, 
              data.find(null, null, null), new Object[] {
                  new Triple(a, p, C1),
                  new Triple(b, p, C2),
                  new Triple(C2, sC, C3),
                  new Triple(C1, sC, C3)
              } );
    }
    
    /**
     * Resolve a bug using remove in rules themselves.
     */
    public void testAddRemove2() {
        Graph data = Factory.createGraphMem();
        data.add(new Triple(a, p, Util.makeIntNode(0)));
        List rules = Rule.parseRules(
                "(?x p ?v)-> (?x q inc(1, a)).\n" +
                "(?x p ?v)-> (?x q inc(1, b)).\n" +
                "(?x p ?v) (?x q inc(?i, ?t)) noValue(?x r ?t) sum(?v, ?i, ?s) -> remove(0,1), (?x p ?s) (?x r ?t).\n");
        
        // Older version, relied on implicit rule ordering in Jena2.2 not value in 2.3
//        "(?x p ?v) noValue(a r 1) -> (?x q inc(1, a)) (?x r 1).\n" +
//        "(?x p ?v) noValue(a r 2) -> (?x q inc(1, b)) (?x r 2).\n" +
//        "(?x p ?v) (?x q inc(?i, ?t)) sum(?v, ?i, ?s) -> remove(0,1), (?x p ?s).\n");
        
        GenericRuleReasoner reasoner = (GenericRuleReasoner)GenericRuleReasonerFactory.theInstance().create(null);
        reasoner.setRules(rules);
        reasoner.setMode(GenericRuleReasoner.FORWARD_RETE);
        
        InfGraph infgraph = reasoner.bind(data);
        TestUtil.assertIteratorValues(this, 
              infgraph.find(a, p, null), new Object[] {
                  new Triple(a, p, Util.makeIntNode(2))
              } );
    }
}



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