private Set<MetaConstraint<?>> getDirectConstraints() { Set<MetaConstraint<?>> constraints = newHashSet(); Set<Class<?>> classAndInterfaces = newHashSet(); classAndInterfaces.add(beanClass); classAndInterfaces.addAll(ClassHierarchyHelper.getDirectlyImplementedInterfaces(beanClass)); for (Class<?> clazz : classAndInterfaces) { for (MetaConstraint<?> metaConstraint : allMetaConstraints) { if (metaConstraint.getLocation().getDeclaringClass().equals(clazz)) { constraints.add(metaConstraint); } } } return Collections.unmodifiableSet(constraints); }