*/
public void testReturnValueConstraint() throws IntrospectionException {
final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();
final FieldExtractor priceExtractor = ClassFieldExtractorCache.getExtractor( Cheese.class,
"price",
getClass().getClassLoader() );
final Pattern pattern = new Pattern( 0,
new ClassObjectType( Cheese.class ) );