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

Example 6 with DefaultConjunctiveQueryWithNegatedParts

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

the class HomomorphismTest method test11.

@Test
public void test11() throws HomomorphismException, IteratorException, AtomSetException {
    InMemoryAtomSet data = new DefaultInMemoryGraphStore();
    data.addAll(DlgpParser.parseAtomSet("p(a,b)."));
    InMemoryAtomSet positivePart = new LinkedListAtomSet();
    positivePart.addAll(DlgpParser.parseAtomSet("p(a,b)."));
    LinkedList<InMemoryAtomSet> parts = new LinkedList<InMemoryAtomSet>();
    InMemoryAtomSet negatedPart = new LinkedListAtomSet();
    negatedPart.addAll(DlgpParser.parseAtomSet("q(a)."));
    parts.add(negatedPart);
    negatedPart = new LinkedListAtomSet();
    negatedPart.addAll(DlgpParser.parseAtomSet("q(b)."));
    parts.add(negatedPart);
    DefaultConjunctiveQueryWithNegatedParts query = new DefaultConjunctiveQueryWithNegatedParts(positivePart, parts);
    BacktrackHomomorphismWithNegatedParts h = new BacktrackHomomorphismWithNegatedParts();
    CloseableIterator<Substitution> res = h.execute(query, data);
    Assert.assertTrue(res.hasNext());
    res.next();
    Assert.assertFalse(res.hasNext());
    res.close();
}

Example 7 with DefaultConjunctiveQueryWithNegatedParts

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

the class HomomorphismTest method test.

@Test
public void test() throws HomomorphismException, IteratorException, AtomSetException {
    InMemoryAtomSet data = new DefaultInMemoryGraphStore();
    data.addAll(DlgpParser.parseAtomSet("p(a,b)."));
    InMemoryAtomSet positivePart = new LinkedListAtomSet();
    positivePart.addAll(DlgpParser.parseAtomSet("p(a,b)."));
    InMemoryAtomSet negatedPart = new LinkedListAtomSet();
    negatedPart.addAll(DlgpParser.parseAtomSet("q(b)."));
    DefaultConjunctiveQueryWithNegatedParts query = new DefaultConjunctiveQueryWithNegatedParts(positivePart, Collections.singletonList(negatedPart));
    BacktrackHomomorphismWithNegatedParts h = new BacktrackHomomorphismWithNegatedParts();
    CloseableIterator<Substitution> res = h.execute(query, data);
    Assert.assertTrue(res.hasNext());
    res.next();
    Assert.assertFalse(res.hasNext());
    res.close();
}

Example 8 with DefaultConjunctiveQueryWithNegatedParts

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

the class HomomorphismTest method test5.

@Test
public void test5() throws HomomorphismException, IteratorException, AtomSetException {
    InMemoryAtomSet data = new DefaultInMemoryGraphStore();
    data.addAll(DlgpParser.parseAtomSet("p(a,b), r(b,b), r(c,c), q(c), q(b)."));
    Variable x = DefaultTermFactory.instance().createVariable("X");
    InMemoryAtomSet positivePart = new LinkedListAtomSet();
    positivePart.addAll(DlgpParser.parseAtomSet("p(a,X),r(W,Y),q(Y)."));
    positivePart.iterator().next().setTerm(1, x);
    InMemoryAtomSet negatedPart = new LinkedListAtomSet();
    negatedPart.addAll(DlgpParser.parseAtomSet("q(X)."));
    negatedPart.iterator().next().setTerm(0, x);
    DefaultConjunctiveQueryWithNegatedParts query = new DefaultConjunctiveQueryWithNegatedParts(positivePart, Collections.singletonList(negatedPart), Collections.<Term>emptyList());
    BCC bcc = new BCC(new GraphBaseBackJumping(), true);
    BacktrackHomomorphismWithNegatedParts h = new BacktrackHomomorphismWithNegatedParts(bcc.getBCCScheduler(), StarBootstrapper.instance(), new NFC2(), bcc.getBCCBackJumping());
    CloseableIterator<Substitution> res = h.execute(query, data);
    Assert.assertFalse(res.hasNext());
    res.close();
}