Examples with AtomStoreImpl at.ac.tuwien.kr.alpha.core.common.AtomStoreImpl used on opensource projects

Example 31 with AtomStoreImpl

use of at.ac.tuwien.kr.alpha.core.common.AtomStoreImpl in project Alpha by alpha-asp.

the class NaiveGrounderTest method testIfGrounderGroundsRule.

/**
 * Tests if {@link NaiveGrounder#getGroundInstantiations(InternalRule, RuleGroundingOrder, Substitution, Assignment)}
 * produces ground instantiations for the rule with ID {@code ruleID} in {@code program} when {@code startingLiteral}
 * unified with the numeric instance {@code startingInstance} is used as starting literal and {@code b(1)} is assigned
 * {@code bTruth}.
 * It is asserted that ground instantiations are produced if and only if {@code expectNoGoods} is true.
 */
private void testIfGrounderGroundsRule(ASPCore2Program program, int ruleID, Literal startingLiteral, int startingInstance, ThriceTruth bTruth, boolean expectNoGoods) {
    CompiledProgram internalPrg = InternalProgram.fromNormalProgram(NORMALIZE_TRANSFORM.apply(program));
    AtomStore atomStore = new AtomStoreImpl();
    TrailAssignment currentAssignment = new TrailAssignment(atomStore);
    NaiveGrounder grounder = (NaiveGrounder) GrounderFactory.getInstance("naive", internalPrg, atomStore, p -> true, GrounderHeuristicsConfiguration.permissive(), true);
    int b = atomStore.putIfAbsent(atom("b", 1));
    currentAssignment.growForMaxAtomId();
    currentAssignment.assign(b, bTruth);
    grounder.bootstrap();
    final CompiledRule nonGroundRule = grounder.getNonGroundRule(ruleID);
    final Substitution substStartingLiteral = BasicSubstitution.specializeSubstitution(startingLiteral, new Instance(Terms.newConstant(startingInstance)), BasicSubstitution.EMPTY_SUBSTITUTION);
    final BindingResult bindingResult = grounder.getGroundInstantiations(nonGroundRule, nonGroundRule.getGroundingInfo().orderStartingFrom(startingLiteral), substStartingLiteral, currentAssignment);
    assertEquals(expectNoGoods, bindingResult.size() > 0);
}

Example 32 with AtomStoreImpl

use of at.ac.tuwien.kr.alpha.core.common.AtomStoreImpl in project Alpha by alpha-asp.

the class BerkMinTest method setUp.

@BeforeEach
public void setUp() {
    AtomStore atomStore = new AtomStoreImpl();
    TestUtils.fillAtomStore(atomStore, 2);
    WritableAssignment assignment = new TrailAssignment(atomStore);
    assignment.growForMaxAtomId();
    this.berkmin = new BerkMin(assignment, new PseudoChoiceManager(assignment, new NaiveNoGoodStore(assignment)), new Random());
}