@Override
public void preUpdate(DescriptorEvent event) {
Object source = event.getSource();
UnitOfWorkImpl unitOfWork = (UnitOfWorkImpl) event.getSession();
// preUpdate is also generated for deleted objects that were modified in this UOW.
// Do not perform preUpdate validation for such objects as preRemove would have already been
// called.
if (!unitOfWork.isObjectDeleted(source)) {
validateOnCallbackEvent(event, "preUpdate", groupPreUpdate);
}
}
private void validateOnCallbackEvent(
DescriptorEvent event, String callbackEventName, Class[] validationGroup) {
Object source = event.getSource();
boolean shouldValidate = BEAN_VALIDATION_HELPER.isConstrained(source.getClass());
if (shouldValidate) {
Set<ConstraintViolation<Object>> constraintViolations =
getValidator(event).validate(source, validationGroup);
if (constraintViolations.size() > 0) {
// There were errors while call to validate above.
// Throw a ConstrainViolationException as required by the spec.
// The transaction would be rolled back automatically
// TODO need to I18N this.
throw new ConstraintViolationException(
"Bean Validation constraint(s) violated while executing Automatic Bean Validation on callback event:'"
+ callbackEventName
+ "'. Please refer to embedded ConstraintViolations for details.",
(Set<ConstraintViolation<?>>)
(Object) constraintViolations); /* Do not remove the explicit
cast. This issue is related to capture#a not being instance of capture#b. */
}
}
}