Examples with Atom fr.lirmm.graphik.graal.api.core.Atom used on opensource projects

Example 36 with Atom

use of fr.lirmm.graphik.graal.api.core.Atom in project graal by graphik-team.

the class OWL2ParserTest method objectMinCardinality0.

@Test
public void objectMinCardinality0() throws OWL2ParserException {
    OWL2Parser parser = new OWL2Parser(PREFIXES + ":A rdf:type owl:Class . " + ":B rdf:type owl:Class . " + ":p rdf:type owl:ObjectProperty . " + " [ rdf:type owl:Restriction ; " + " owl:onProperty :p ; " + " owl:onClass :A ; " + " owl:minCardinality 0 ] " + "  " + " rdfs:subClassOf :B . ");
    int nbRules = 0;
    while (parser.hasNext()) {
        Object o = parser.next();
        if (o instanceof Rule) {
            ++nbRules;
            Rule r = (Rule) o;
            CloseableIteratorWithoutException<Atom> bodyIt = r.getBody().iterator();
            CloseableIteratorWithoutException<Atom> headIt = r.getHead().iterator();
            Assert.assertTrue(bodyIt.hasNext());
            Assert.assertTrue(headIt.hasNext());
            Atom body = bodyIt.next();
            Atom head = headIt.next();
            Assert.assertFalse(bodyIt.hasNext());
            Assert.assertFalse(headIt.hasNext());
            Assert.assertEquals(Predicate.TOP, body.getPredicate());
            Assert.assertEquals(B, head.getPredicate());
            Assert.assertTrue(!body.getTerm(0).isConstant());
            Assert.assertEquals(body.getTerm(0), head.getTerm(0));
        }
    }
    parser.close();
    Assert.assertEquals("Number of assertions found:", 1, nbRules);
}

Example 37 with Atom

use of fr.lirmm.graphik.graal.api.core.Atom in project graal by graphik-team.

the class OWL2ParserTest method subDataPropertyOfAxiom.

// /////////////////////////////////////////////////////////////////////////
// Data Property
// /////////////////////////////////////////////////////////////////////////
@Test
public void subDataPropertyOfAxiom() throws OWL2ParserException {
    OWL2Parser parser = new OWL2Parser(PREFIXES + ":p rdf:type owl:DatatypeProperty . " + ":q rdf:type owl:DatatypeProperty . " + ":p rdfs:subPropertyOf :q. ");
    int nbRules = 0;
    while (parser.hasNext()) {
        Object o = parser.next();
        if (o instanceof Rule) {
            ++nbRules;
            Rule r = (Rule) o;
            CloseableIteratorWithoutException<Atom> bodyIt = r.getBody().iterator();
            CloseableIteratorWithoutException<Atom> headIt = r.getHead().iterator();
            Assert.assertTrue(bodyIt.hasNext());
            Assert.assertTrue(headIt.hasNext());
            Atom body = bodyIt.next();
            Atom head = headIt.next();
            Assert.assertTrue(!body.getTerm(0).isConstant());
            Assert.assertTrue(body.getTerm(0).equals(head.getTerm(0)));
            Assert.assertTrue(!body.getTerm(1).isConstant());
            Assert.assertTrue(body.getTerm(1).equals(head.getTerm(1)));
            Assert.assertEquals(P, body.getPredicate());
            Assert.assertEquals(Q, head.getPredicate());
            Assert.assertFalse(bodyIt.hasNext());
            Assert.assertFalse(headIt.hasNext());
        }
    }
    parser.close();
    Assert.assertEquals("Number of assertions found:", 1, nbRules);
}

Example 38 with Atom

use of fr.lirmm.graphik.graal.api.core.Atom in project graal by graphik-team.

the class OWL2ParserTest method assertionWithExistential.

@Test
public void assertionWithExistential() throws OWL2ParserException {
    try {
        OWL2Parser parser = new OWL2Parser(PREFIXES + ":A rdf:type owl:Class . " + ":p rdf:type owl:ObjectProperty . " + ":i1 :p [a :A] ." + "");
        int nbFacts = 0;
        int nbAtoms = 0;
        while (parser.hasNext()) {
            Object o = parser.next();
            if (o instanceof InMemoryAtomSet) {
                ++nbFacts;
                CloseableIterator<Atom> it = ((AtomSet) o).iterator();
                while (it.hasNext()) {
                    it.next();
                    ++nbAtoms;
                }
            }
        }
        parser.close();
        Assert.assertEquals("Number of facts found:", 1, nbFacts);
        Assert.assertEquals("Number of atoms found:", 2, nbAtoms);
    } catch (Throwable e) {
        Assert.fail("An exception was found: " + e);
    }
}

Example 39 with Atom

use of fr.lirmm.graphik.graal.api.core.Atom in project graal by graphik-team.

the class OWL2ParserTest method objectIntersectionOf.

// /////////////////////////////////////////////////////////////////////////
// EQUIV CLASS EXPRESSION
// /////////////////////////////////////////////////////////////////////////
@Test
public void objectIntersectionOf() throws OWL2ParserException {
    OWL2Parser parser = new OWL2Parser(PREFIXES + ":A rdf:type owl:Class . " + ":B rdf:type owl:Class . " + ":C rdf:type owl:Class . " + ":D rdf:type owl:Class . " + ":A rdfs:subClassOf [ owl:intersectionOf ( :B :C :D ) ] . ");
    int nbRules = 0;
    while (parser.hasNext()) {
        Object o = parser.next();
        if (o instanceof Rule) {
            ++nbRules;
            Rule r = (Rule) o;
            CloseableIteratorWithoutException<Atom> bodyIt = r.getBody().iterator();
            CloseableIteratorWithoutException<Atom> headIt = r.getHead().iterator();
            Assert.assertTrue(bodyIt.hasNext());
            Assert.assertTrue(headIt.hasNext());
            Atom body = bodyIt.next();
            Atom head = headIt.next();
            Assert.assertTrue(!body.getTerm(0).isConstant());
            Assert.assertTrue(body.getTerm(0).equals(head.getTerm(0)));
            Assert.assertEquals(A, body.getPredicate());
            Assert.assertTrue(B.equals(head.getPredicate()) || C.equals(head.getPredicate()) || D.equals(head.getPredicate()));
            Assert.assertFalse(bodyIt.hasNext());
            Assert.assertFalse(headIt.hasNext());
        }
    }
    parser.close();
    Assert.assertEquals("Number of assertions found:", 3, nbRules);
}

Example 40 with Atom

use of fr.lirmm.graphik.graal.api.core.Atom in project graal by graphik-team.

the class OWL2ParserTest method reflexiveObjectPropertyOf.

@Test
public void reflexiveObjectPropertyOf() {
    // p(X,X) :- Top(X).
    try {
        OWL2Parser parser = new OWL2Parser(PREFIXES + ":p rdf:type owl:ReflexiveProperty . ");
        int nbRules = 0;
        while (parser.hasNext()) {
            Object o = parser.next();
            if (o instanceof Rule) {
                ++nbRules;
                Rule r = (Rule) o;
                CloseableIteratorWithoutException<Atom> it = r.getBody().iterator();
                Atom b = it.next();
                Assert.assertFalse(it.hasNext());
                it = r.getHead().iterator();
                Atom h = it.next();
                Assert.assertFalse(it.hasNext());
                Assert.assertEquals(Predicate.TOP, b.getPredicate());
                Assert.assertEquals(P, h.getPredicate());
                Assert.assertEquals(b.getTerm(0), h.getTerm(0));
                Assert.assertEquals(b.getTerm(0), h.getTerm(1));
            }
        }
        parser.close();
        Assert.assertEquals("Number of assertions found:", 1, nbRules);
    } catch (Exception e) {
        Assert.assertFalse(e.getMessage(), true);
    }
}