[jboss-user] [EJB 3.0] - Entity constraint violation - rollback

[Dens]

Hello

I'd like to create a method helper on EJB3 entity bean in order to 
check that a set does not  violates any constraint.
ex, in acccount class, i create à debit(a) method, implementing it:

  | public void debit(int a)
  |   if (this.amount>a) {
  |    setAmount(getAmount()-a)
  |   } else {
  |   ?????
  |   }
  | 

if this account doesn't have enough money, I'd like to rollback the
current transaction, in ejb2 I used setRollBackOnly on the context, I did not find any equivalent. The only solution I found is to throw a runtimexception (dirty solution IMO)

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