private PredicateConstraint getPredicateConstraint(Pattern pattern) { for (Constraint constraint : pattern.getConstraints()) { if (constraint instanceof PredicateConstraint) return (PredicateConstraint)constraint; } return null; }
final Constraint returnValue1 = pattern1.getConstraints().get( 0 ); builder2.addPackage( packageDescr2 ); final Pattern pattern2 = (Pattern) ((RuleImpl)builder2.getPackage("package2").getRules().iterator().next()).getLhs().getChildren().get( 0 ); final Constraint returnValue2 = pattern2.getConstraints().get( 0 ); builder3.addPackage( packageDescr3 ); final Pattern pattern3 = (Pattern) ((RuleImpl)builder3.getPackage("package3").getRules().iterator().next()).getLhs().getChildren().get( 0 ); final Constraint returnValue3 = pattern3.getConstraints().get( 0 );
final PredicateConstraint predicate1 = (PredicateConstraint) pattern1.getConstraints().get( 0 ); final PredicateConstraint predicate2 = (PredicateConstraint) pattern2.getConstraints().get( 0 ); builder3.addPackage( packageDescr3 ); final Pattern pattern3 = (Pattern) ((RuleImpl)builder3.getPackage("package3").getRules().iterator().next()).getLhs().getChildren().get( 0 ); final PredicateConstraint predicate3 = (PredicateConstraint) pattern3.getConstraints().get( 0 );
@Test public void testBuildBigIntegerLiteralConstraint() 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.BigInteger", "$bd" ); ExprConstraintDescr fcd = new ExprConstraintDescr( "this==10" ); patDescr.addConstraint( fcd ); andDescr.addDescr( patDescr ); ruleDescr.setLhs( andDescr ); ruleDescr.setConsequence( "" ); pkgDescr.addRule( ruleDescr ); final KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl(); kBuilder.addPackage(pkgDescr); assertTrue(kBuilder.getErrors().toString(), kBuilder.getErrors().isEmpty()); final RuleImpl rule = kBuilder.getPackages()[0].getRule( "Test Rule" ); final GroupElement and = rule.getLhs(); final Pattern pat = (Pattern) and.getChildren().get( 0 ); if (pat.getConstraints().get(0) instanceof MvelConstraint) { final MvelConstraint fc = (MvelConstraint) pat.getConstraints().get( 0 ); assertTrue( "Wrong class. Expected java.math.BigInteger. Found: " + fc.getField().getValue().getClass(), fc.getField().getValue() instanceof BigInteger ); } }
@Test public void testBuildBigDecimalLiteralConstraint() throws Exception { final PackageDescr pkgDescr = new PackageDescr( "org.drools" ); final RuleDescr ruleDescr = new RuleDescr( "Test Rule" ); AndDescr andDescr = new AndDescr(); PatternDescr patDescr = new PatternDescr( "java.math.BigDecimal", "$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 ); } }
Constraint rvc1 = p1.getConstraints().get( 0 ); Constraint rvc2 = p2.getConstraints().get( 0 ); Constraint rvc3 = p3.getConstraints().get( 0 );