Thanks to... someone... that we have JPA 2.1 and the feature StoredProcedureQuery. Throught this method we can call easily a procedure in our database, set parameters and convert the possible result into Java object automatically. Let's imagine a simple procedure called 'SALES_ACCOUNTING' that receives two dates ('INITIALDATE' and 'FINALDATE') that determine the time period and … Continue lendo Hibernate JPA 2.1 – StoredProcedureQuery