Examples with Pattern org.drools.core.rule.Pattern used on opensource projects

Example 51 with Pattern

use of org.drools.core.rule.Pattern in project drools by kiegroup.

the class AnnotationsOnPatternTest method testCollectAnnotationsParsingAndBuilding.

@Test
public void testCollectAnnotationsParsingAndBuilding() {
    final String packageName = "org.drools.compiler.integrationtests";
    final String drl = "package " + packageName + "; " + " " + "dialect 'mvel' " + " " + "import java.util.Collection; " + "import " + Inner.class.getCanonicalName() + "; " + " " + "rule \"test collect with annotation\" " + "    when " + "        Collection() from collect ( " + "            String() @Inner " + "        ) " + "    then " + "end " + "";
    final KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("annotations-test", kieBaseTestConfiguration, drl);
    final RuleImpl rule = (RuleImpl) kbase.getRule(packageName, "test collect with annotation");
    final List<? extends RuleConditionElement> nested = ((Pattern) rule.getLhs().getChildren().get(0)).getSource().getNestedElements();
    assertEquals(1, nested.size());
    final Map<String, AnnotationDefinition> annotations = ((Pattern) nested.get(0)).getAnnotations();
    assertEquals(1, annotations.size());
    assertNotNull(annotations.keySet().iterator().next());
}

Example 52 with Pattern

use of org.drools.core.rule.Pattern in project drools by kiegroup.

the class DescrBuilderTest method testDumperFromPkg.

@Test
public void testDumperFromPkg() {
    // DROOLS-109
    PackageDescr pkg = DescrFactory.newPackage().name("org.test").newRule().name("org.test").lhs().and().or().pattern().id("$x", false).type("Integer").constraint("this > 10").end().pattern().id("$x", false).type("Integer").constraint("this < 20").end().end().pattern().type("Integer").constraint("this == $x").constraint("this == 42").end().end().end().rhs("").end().end().getDescr();
    String drl = new DrlDumper().dump(pkg);
    System.out.println(drl);
    KnowledgeBuilderImpl knowledgeBuilder = (KnowledgeBuilderImpl) KnowledgeBuilderFactory.newKnowledgeBuilder();
    knowledgeBuilder.add(new ByteArrayResource(drl.getBytes()), ResourceType.DRL);
    System.err.println(knowledgeBuilder.getErrors());
    assertFalse(knowledgeBuilder.getErrors().toString(), knowledgeBuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(knowledgeBuilder.getKnowledgePackages());
    KieSession knowledgeSession = kbase.newKieSession();
    KiePackage rebuiltPkg = knowledgeBuilder.getPackage("org.test");
    org.kie.api.definition.rule.Rule rule = rebuiltPkg.getRules().iterator().next();
    RuleImpl r = ((RuleImpl) rule);
    assertEquals(2, r.getLhs().getChildren().size());
    Iterator<RuleConditionElement> iter = r.getLhs().getChildren().iterator();
    RuleConditionElement arg1 = iter.next();
    assertTrue(arg1 instanceof GroupElement && ((GroupElement) arg1).getType() == GroupElement.Type.OR);
    assertEquals(2, ((GroupElement) arg1).getChildren().size());
    RuleConditionElement arg2 = iter.next();
    assertTrue(arg2 instanceof Pattern);
}

Example 53 with Pattern

use of org.drools.core.rule.Pattern in project drools by kiegroup.

the class JavaDialectBinaryEqualityTest method test1.

@Test
public void test1() {
    KiePackage pkg1 = getKnowledgePackage1();
    KiePackage pkg2 = getKnowledgePackage1();
    KiePackage pkg3 = getKnowledgePackage2();
    RuleImpl rule1 = ((InternalKnowledgePackage) pkg1).getRule("rule1");
    RuleImpl rule2 = ((InternalKnowledgePackage) pkg2).getRule("rule1");
    RuleImpl rule3 = ((InternalKnowledgePackage) pkg3).getRule("rule1");
    // test return value
    Pattern p1 = (Pattern) rule1.getLhs().getChildren().get(0);
    Constraint rvc1 = p1.getConstraints().get(0);
    Pattern p2 = (Pattern) rule2.getLhs().getChildren().get(0);
    Constraint rvc2 = p2.getConstraints().get(0);
    assertNotSame(rvc1, rvc2);
    assertEquals(rvc1, rvc2);
    Pattern p3 = (Pattern) rule3.getLhs().getChildren().get(0);
    Constraint rvc3 = p3.getConstraints().get(0);
    assertNotSame(rvc1, rvc3);
    assertThat(rvc1, not(equalTo(rvc3)));
    // test inline eval
    PredicateConstraint pc1 = getPredicateConstraint(p1);
    PredicateExpression pe1 = (PredicateExpression) pc1.getPredicateExpression();
    PredicateConstraint pc2 = getPredicateConstraint(p2);
    PredicateExpression pe2 = (PredicateExpression) pc2.getPredicateExpression();
    assertNotSame(pe1, pe2);
    assertEquals(pe1, pe2);
    PredicateConstraint pc3 = getPredicateConstraint(p3);
    PredicateExpression pe3 = (PredicateExpression) pc3.getPredicateExpression();
    assertNotSame(pe1, pe3);
    assertThat(pe1, not(equalTo(pe3)));
    // test eval
    EvalCondition ec1 = (EvalCondition) rule1.getLhs().getChildren().get(1);
    EvalExpression ee1 = (EvalExpression) ec1.getEvalExpression();
    EvalCondition ec2 = (EvalCondition) rule2.getLhs().getChildren().get(1);
    EvalExpression ee2 = (EvalExpression) ec2.getEvalExpression();
    assertNotSame(ee1, ee2);
    assertEquals(ee1, ee2);
    EvalCondition ec3 = (EvalCondition) rule3.getLhs().getChildren().get(1);
    EvalExpression ee3 = (EvalExpression) ec3.getEvalExpression();
    assertNotSame(ee1, ee3);
    assertThat(ee1, not(equalTo(ee3)));
    // test consequence
    assertNotSame(rule1.getConsequence(), rule2.getConsequence());
    assertEquals(rule1.getConsequence(), rule2.getConsequence());
    assertNotSame(rule1.getConsequence(), rule3.getConsequence());
    assertThat(rule1.getConsequence(), not(equalTo(rule3.getConsequence())));
    // check LHS equals
    assertNotSame(rule1.getLhs(), rule2.getLhs());
    assertEquals(rule1.getLhs(), rule2.getLhs());
    assertNotSame(rule1.getLhs(), rule3.getLhs());
    assertThat(rule1.getLhs(), not(equalTo(rule3.getLhs())));
}

Example 54 with Pattern

use of org.drools.core.rule.Pattern in project drools by kiegroup.

the class RuleBuilderTest method testBuildBigDecimalLiteralConstraint.

@Test
public void testBuildBigDecimalLiteralConstraint() throws Exception {
    final PackageDescr pkgDescr = new PackageDescr("org.drools");
    final RuleDescr ruleDescr = new RuleDescr("Test Rule");
    AndDescr andDescr = new AndDescr();
    PatternDescr patDescr = new PatternDescr("java.math.BigDecimal", "$bd");
    ExprConstraintDescr fcd = new ExprConstraintDescr("this == 10");
    patDescr.addConstraint(fcd);
    andDescr.addDescr(patDescr);
    ruleDescr.setLhs(andDescr);
    ruleDescr.setConsequence("");
    pkgDescr.addRule(ruleDescr);
    final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl();
    kBuilder.addPackage(pkgDescr);
    assertTrue(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty());
    final RuleImpl rule = kBuilder.getPackages()[0].getRule("Test Rule");
    final GroupElement and = rule.getLhs();
    final Pattern pat = (Pattern) and.getChildren().get(0);
    if (pat.getConstraints().get(0) instanceof MVELConstraint) {
        final MVELConstraint fc = (MVELConstraint) pat.getConstraints().get(0);
        assertTrue("Wrong class. Expected java.math.BigDecimal. Found: " + fc.getField().getValue().getClass(), fc.getField().getValue() instanceof BigDecimal);
    }
}

Example 55 with Pattern

use of org.drools.core.rule.Pattern in project drools by kiegroup.

the class ObjectSource method initDeclaredMask.

public void initDeclaredMask(BuildContext context) {
    if (context == null || context.getLastBuiltPatterns() == null) {
        // only happens during unit tests
        declaredMask = AllSetBitMask.get();
        return;
    }
    Pattern pattern = context.getLastBuiltPatterns()[0];
    ObjectType objectType = pattern.getObjectType();
    if (isPropertyReactive(context, objectType)) {
        List<String> settableProperties = getAccessibleProperties(context.getRuleBase(), objectType);
        declaredMask = calculateDeclaredMask(objectType, settableProperties);
    } else {
        // if property specific is not on, then accept all modification propagations
        declaredMask = AllSetBitMask.get();
    }
}