createLiteralRule( new ExprConstraintDescr( "booleanPrimitive == true ") ); createLiteralRule( new ExprConstraintDescr( "booleanPrimitive == false ") ); createLiteralRule( new ExprConstraintDescr( "charPrimitive == 'a' ") ); createLiteralRule( new ExprConstraintDescr( "charPrimitive == \"a\" ") ); createLiteralRule( new ExprConstraintDescr( "bytePrimitive == 1 ") ); createLiteralRule( new ExprConstraintDescr( "bytePrimitive == 0 ") ); createLiteralRule( new ExprConstraintDescr( "bytePrimitive == -1 ") ); createLiteralRule( new ExprConstraintDescr( "shortPrimitive == 1 ") ); createLiteralRule( new ExprConstraintDescr( "shortPrimitive == 0 ") ); createLiteralRule( new ExprConstraintDescr( "shortPrimitive == -1 ") ); createLiteralRule( new ExprConstraintDescr( "intPrimitive == 1") ); createLiteralRule( new ExprConstraintDescr( "intPrimitive == 0") ); createLiteralRule( new ExprConstraintDescr( "intPrimitive == -1") ); createLiteralRule( new ExprConstraintDescr( "longPrimitive == 1") ); createLiteralRule( new ExprConstraintDescr( "longPrimitive == 0") ); createLiteralRule( new ExprConstraintDescr( "longPrimitive == -1") ); createLiteralRule( new ExprConstraintDescr( "floatPrimitive == 1.1") ); createLiteralRule( new ExprConstraintDescr( "floatPrimitive == 0") ); createLiteralRule( new ExprConstraintDescr( "floatPrimitive == -1.1") ); createLiteralRule( new ExprConstraintDescr( "doublePrimitive == 1.1") ); createLiteralRule( new ExprConstraintDescr( "doublePrimitive == 0") );
@Test public void testLiteral() throws Exception { final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(); final PackageDescr packageDescr = new PackageDescr( "p1" ); final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); pattern.addConstraint( new ExprConstraintDescr( "type == 'stilton'" ) ); ruleDescr.setConsequence( "update(stilton);" ); builder.addPackage( packageDescr ); assertLength( 0, builder.getErrors().getErrors() ); }
private void createPredicateRule( final PackageDescr packageDescr, final String expression ) { final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); final BindingDescr fieldBindingDescr = new BindingDescr( "x", "price" ); pattern.addConstraint( fieldBindingDescr ); final BindingDescr fieldBindingDescr2 = new BindingDescr( "y", "price" ); pattern.addConstraint( fieldBindingDescr2 ); packageDescr.addGlobal( new GlobalDescr( "map", "java.util.Map" ) ); pattern.addConstraint( new ExprConstraintDescr( expression ) ); ruleDescr.setConsequence( "update(stilton);" ); }
private void createReturnValueRule( final PackageDescr packageDescr, final String expression ) { final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); BindingDescr fieldBindingDescr = new BindingDescr( "x", "price" ); pattern.addConstraint( fieldBindingDescr ); fieldBindingDescr = new BindingDescr( "y", "price" ); pattern.addConstraint( fieldBindingDescr ); packageDescr.addGlobal( new GlobalDescr( "map", "java.util.Map" ) ); pattern.addConstraint( new ExprConstraintDescr("price == (" + expression + ")") ); ruleDescr.setConsequence( "update(stilton);" ); }
@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 ); } }
private RuleImpl createRule( final ConditionalElementDescr ceDescr, final KnowledgeBuilderImpl builder, final String consequence ) throws Exception { final PackageDescr packageDescr = new PackageDescr( "p1" ); final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); lhs.addDescr( (BaseDescr) ceDescr ); final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(), "stilton" ); patternDescr.addConstraint( new ExprConstraintDescr( "type == \"stilton\" ") ); ceDescr.addDescr( patternDescr ); ruleDescr.setConsequence( consequence ); builder.addPackage( packageDescr ); InternalKnowledgePackage pkg = builder.getPackage(packageDescr.getName()); final RuleImpl rule = pkg.getRule( "rule-1" ); assertEquals( "rule-1", rule.getName() ); return rule; }
@Test public void testPredicate() throws Exception { final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(); final PackageDescr packageDescr = new PackageDescr( "p1" ); final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); final BindingDescr fieldBindingDescr = new BindingDescr( "x", "price" ); pattern.addConstraint( fieldBindingDescr ); final BindingDescr fieldBindingDescr2 = new BindingDescr( "y", "price" ); pattern.addConstraint( fieldBindingDescr2 ); packageDescr.addGlobal( new GlobalDescr( "map", "java.util.Map" ) ); final ExprConstraintDescr predicate = new ExprConstraintDescr( "eval(( ( Integer )map.get( new Integer(x) )).intValue() == y)" ); pattern.addConstraint( predicate ); ruleDescr.setConsequence( "update(stilton);" ); builder.addPackage( packageDescr ); assertLength( 0, builder.getErrors().getErrors() ); }
@Test public void testReturnValue() throws Exception { final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(); final PackageDescr packageDescr = new PackageDescr( "p1" ); final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); BindingDescr fieldBindingDescr = new BindingDescr( "x", "price" ); pattern.addConstraint( fieldBindingDescr ); fieldBindingDescr = new BindingDescr( "y", "price" ); pattern.addConstraint( fieldBindingDescr ); packageDescr.addGlobal( new GlobalDescr( "map", "java.util.Map" ) ); pattern.addConstraint( new ExprConstraintDescr("price == (( (Integer) map.get( new Integer( x )) ).intValue() * y)") ); ruleDescr.setConsequence( "update(stilton);" ); builder.addPackage( packageDescr ); assertEquals( "Should not have any errors", 0, builder.getErrors().getErrors().length ); }
@Test public void testErrors() throws Exception { final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(); final PackageDescr packageDescr = new PackageDescr( "p1" ); final RuleDescr ruleDescr = new RuleDescr( "rule-1" ); packageDescr.addRule( ruleDescr ); final AndDescr lhs = new AndDescr(); ruleDescr.setLhs( lhs ); final PatternDescr pattern = new PatternDescr( Cheese.class.getName(), "stilton" ); lhs.addDescr( pattern ); BindingDescr fieldBindingDescr = new BindingDescr( "x", "price" ); pattern.addConstraint( fieldBindingDescr ); fieldBindingDescr = new BindingDescr( "y", "price" ); pattern.addConstraint( fieldBindingDescr ); packageDescr.addGlobal( new GlobalDescr( "map", "java.util.Map" ) ); pattern.addConstraint( new ExprConstraintDescr("price == x") ); // There is no m this should produce errors. ruleDescr.setConsequence( "update(m);" ); builder.addPackage( packageDescr ); assertTrue( builder.getErrors().getErrors().length > 0 ); }
lhs.addDescr( pattern ); pattern.addConstraint( new ExprConstraintDescr("type == $type") );
pattern.setQuery( true ); lhs.addDescr( pattern ); ExprConstraintDescr expr = new ExprConstraintDescr("'bobba'"); expr.setPosition( 0 ); expr.setType( Type.POSITIONAL ); pattern.addConstraint(expr); expr = new ExprConstraintDescr("$age"); expr.setPosition( 1 ); expr.setType( Type.POSITIONAL ); pattern.addConstraint( expr ); expr = new ExprConstraintDescr("$type"); expr.setPosition( 2 ); expr.setType( Type.POSITIONAL );
ExprConstraintDescr ecd1=new ExprConstraintDescr(); ecd1.setExpression("paymentMethod"); ExprConstraintDescr ecd2=new ExprConstraintDescr(); ecd2.setExpression("PaymentMethod.CASH"); ExprConstraintDescr ecd3=new ExprConstraintDescr(); ecd3.setExpression("subTotal"); ExprConstraintDescr ecd4=new ExprConstraintDescr(); ecd4.setExpression("300"); RelationalExprDescr red2=new RelationalExprDescr(">",false, null, ecd3, ecd4); pattDescr1.setObjectType("PotentialCustomer"); ExprConstraintDescr ecd11=new ExprConstraintDescr(); ecd11.setExpression("customerName"); ExprConstraintDescr ecd12=new ExprConstraintDescr(); ecd12.setExpression("$p.getCustomerName()"); RelationalExprDescr red11=new RelationalExprDescr("==",false, null, ecd11,ecd12);