JPA Method
in javax.persistence.StoredProcedureQuery

Object getOutputParameterValue(
  int position
)


Retrieve a value passed back from the procedure through an INOUT or OUT parameter. For portability, all results corresponding to result sets and update counts must be retrieved before the values of output parameters.
Parameters:
position - parameter position
Return:
the result that is passed back through the parameter
Throws:
IllegalArgumentException - if the position does not correspond to a parameter of the query or is not an INOUT or OUT parameter
Since:
JPA 2.1