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

Example 86 with Substitution

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

the class ConjunctiveQuery2Test method tttFalseQueryTest.

/**
 * Test a boolean query
 */
@Theory
public void tttFalseQueryTest(Homomorphism<ConjunctiveQuery, AtomSet> h, AtomSet store) {
    try {
        store.addAll(DlgpParser.parseAtomSet("<P>(a,b),<P>(b,c),<Q>(a,c),<Q>(d,c)."));
        ConjunctiveQuery query = DlgpParser.parseQuery("?(X,Y) :- <Q>(a,f),<P>(X,Y).");
        CloseableIterator<Substitution> subReader;
        subReader = h.execute(query, store);
        Assert.assertFalse(subReader.hasNext());
        subReader.close();
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage(), false);
    }
}

Example 87 with Substitution

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

the class ConjunctiveQuery2Test method sameLiteralQueryTest.

@Theory
public void sameLiteralQueryTest(Homomorphism<ConjunctiveQuery, AtomSet> h, AtomSet store) {
    try {
        store.add(DlgpParser.parseAtom("<P>(a,\"literal\")."));
        ConjunctiveQuery query = DlgpParser.parseQuery("? :- <P>(a,\"literal\").");
        CloseableIterator<Substitution> subReader;
        subReader = h.execute(query, store);
        Assert.assertTrue("Error on " + store.getClass(), subReader.hasNext());
        subReader.close();
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage(), false);
    }
}

Example 88 with Substitution

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

the class ConjunctiveQuery2Test method tttTrueQueryTest.

@Theory
public void tttTrueQueryTest(Homomorphism<ConjunctiveQuery, AtomSet> h, AtomSet store) {
    try {
        store.addAll(DlgpParser.parseAtomSet("<P>(a,b),<Q>(a,c),<Q>(d,c)."));
        ConjunctiveQuery query = DlgpParser.parseQuery("?(X,Y) :- <Q>(a,c),<P>(X,Y).");
        CloseableIterator<Substitution> subReader;
        Substitution sub;
        subReader = h.execute(query, store);
        Assert.assertTrue(subReader.hasNext());
        sub = subReader.next();
        Assert.assertEquals(2, sub.getTerms().size());
        Assert.assertEquals(sub.createImageOf(DefaultTermFactory.instance().createVariable("X")), DefaultTermFactory.instance().createConstant("a"));
        Assert.assertEquals(sub.createImageOf(DefaultTermFactory.instance().createVariable("Y")), DefaultTermFactory.instance().createConstant("b"));
        Assert.assertFalse(subReader.hasNext());
        subReader.close();
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage(), false);
    }
}

Example 89 with Substitution

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

the class ConjunctiveQuery2Test method misc0.

@Theory
public void misc0(Homomorphism<ConjunctiveQuery, AtomSet> h, AtomSet store) {
    try {
        store.addAll(DlgpParser.parseAtomSet("<P>(a,b),<P>(d,e),<P>(e,c),<P>(f,d)."));
        ConjunctiveQuery query = DlgpParser.parseQuery("?(X,Y,Z,W) :- <P>(X,Y),<P>(Y,Z),<P>(Z,W).");
        CloseableIterator<Substitution> subReader = h.execute(query, store);
        Assert.assertTrue(subReader.hasNext());
        subReader.next();
        Assert.assertFalse(subReader.hasNext());
        subReader.close();
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage(), false);
    }
}

Example 90 with Substitution

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

the class ConjunctiveQuery2Test method responseVariablesTest.

/**
 * Response variables Test
 */
@Theory
public void responseVariablesTest(Homomorphism<ConjunctiveQuery, AtomSet> h, AtomSet store) {
    try {
        store.addAll(DlgpParser.parseAtomSet("<P>(a,b)."));
        ConjunctiveQuery query = DlgpParser.parseQuery("?(X) :- <P>(X,Y).");
        CloseableIterator<Substitution> subReader;
        Substitution sub;
        subReader = h.execute(query, store);
        Assert.assertTrue(subReader.hasNext());
        sub = subReader.next();
        Assert.assertEquals(1, sub.getTerms().size());
        Assert.assertEquals(DefaultTermFactory.instance().createConstant("a"), sub.createImageOf(DefaultTermFactory.instance().createVariable("X")));
        subReader.close();
    } catch (Exception e) {
        Assert.assertTrue(e.getMessage(), false);
    }
}