How to call an Oracle function from Hibernate with a return parameter?

Question

My question is very much like Getting the return value of a PL/SQL function via Hibernate

I have a function which does some modifications internally and it returns a

Answer 1

Yes, you do need to use an out parameter. If you use the doWork() method, you'd do something like this:

session.doWork(new Work() {
   public void execute(Connection conn) {
      CallableStatement stmt = conn.prepareCall("? = call (?)");
      stmt.registerOutParameter(1, OracleTypes.INTEGER);
      stmt.setInt(2, );
      stmt.execute();
      Integer outputValue = stmt.getInt(1);
      // And then you'd do something with this outputValue
   }
});