Examples with FieldValue org.drools.core.spi.FieldValue used on opensource projects

Example 1 with FieldValue

use of org.drools.core.spi.FieldValue in project drools by kiegroup.

the class MVELTest method testNewConstructor.

@Test
public void testNewConstructor() {
    final String str = "" + "package org.drools.compiler.test \n" + "import " + Person.class.getCanonicalName() + "\n" + "import " + Address.class.getCanonicalName() + "\n" + "global java.util.List list \n" + "rule \"show\" \n" + "when  \n" + "    $m : Person( address == new Address('s1')) \n" + "then \n" + "    list.add('r1'); \n" + "end \n";
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    final KieSession ksession = createKnowledgeSession(kbase);
    final List list = new ArrayList();
    ksession.setGlobal("list", list);
    final Person p = new Person("yoda");
    p.setAddress(new Address("s1"));
    ksession.insert(p);
    ksession.fireAllRules();
    assertEquals("r1", list.get(0));
    // Check it was built with MVELReturnValueExpression constraint
    final List<ObjectTypeNode> nodes = ((InternalKnowledgeBase) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (final ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == Person.class) {
            node = n;
            break;
        }
    }
    final AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
    final AlphaNodeFieldConstraint constraint = alphanode.getConstraint();
    if (constraint instanceof MvelConstraint) {
        assertTrue(((MvelConstraint) constraint).getFieldExtractor() instanceof ClassFieldReader);
        final FieldValue r = ((MvelConstraint) constraint).getField();
        assertEquals(p.getAddress(), r.getValue());
    }
}

Example 2 with FieldValue

use of org.drools.core.spi.FieldValue in project drools by kiegroup.

the class FieldFactoryTest method testBigDecimal.

@Test
public void testBigDecimal() {
    final FieldValue val = FieldFactory.getInstance().getFieldValue("42.42", ValueType.BIG_DECIMAL_TYPE);
    assertEquals(BigDecimal.class, val.getValue().getClass());
    assertTrue(val.getValue().equals(new BigDecimal("42.42")));
}

Example 3 with FieldValue

use of org.drools.core.spi.FieldValue in project drools by kiegroup.

the class TemporalEvaluatorFactoryTest method checkEvaluatorMethodWithFieldValue.

private void checkEvaluatorMethodWithFieldValue(final ValueType valueType, final InternalReadAccessor extractor, final Object[] row, final Evaluator evaluator) {
    final FieldValue value = FieldFactory.getInstance().getFieldValue(row[2]);
    RuntimeException exc = null;
    try {
        evaluator.evaluate(null, extractor, (EventFactHandle) row[0], value);
    } catch (RuntimeException e) {
        exc = e;
    }
    assertNotNull(exc);
}

Example 4 with FieldValue

use of org.drools.core.spi.FieldValue in project drools by kiegroup.

the class BaseMannersTest method getLiteralConstraint.

private AlphaNodeFieldConstraint getLiteralConstraint(final Pattern pattern, final String fieldName, final int fieldValue) {
    final Class clazz = ((ClassObjectType) pattern.getObjectType()).getClassType();
    final InternalReadAccessor extractor = store.getReader(clazz, fieldName);
    final FieldValue field = new LongFieldImpl(fieldValue);
    return new MvelConstraintTestUtil(fieldName + " == " + fieldValue, new LongFieldImpl(fieldValue), extractor);
}

Example 5 with FieldValue

use of org.drools.core.spi.FieldValue in project drools by kiegroup.

the class BaseMannersTest method getLiteralConstraint.

private AlphaNodeFieldConstraint getLiteralConstraint(final Pattern pattern, final String fieldName, final boolean fieldValue) {
    final Class clazz = ((ClassObjectType) pattern.getObjectType()).getClassType();
    final InternalReadAccessor extractor = store.getReader(clazz, fieldName);
    final FieldValue field = new BooleanFieldImpl(fieldValue);
    return new MvelConstraintTestUtil(fieldName + " == " + fieldValue, new BooleanFieldImpl(fieldValue), extractor);
}