private void add(Attribute attribute, Resource resource) throws AttributeException {
Attribute a = null;
try {
a = (Attribute) BeanUtils.cloneBean(attribute);
} catch (Exception e) {
throw new AttributeException (e.toString());
}
a.setId(UIDGenerator.generateId());
resource.getAttributes().add(a);
ExecutionContext.get().getSession().setAttribute(ConsoleCst.CURRENT_ATTRIBUTE,a);
}