code: public void statementClosed(javax.sql.StatementEvent event) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled())
              Tr.event(this, tc, "statementClosed",
                        "Notification of statement closed received from the JDBC driver",
                        AdapterUtil.toString(event.getSource()),
                        AdapterUtil.toString(event.getStatement())
                              );
  
          // Statement.close is used instead of these signals.
      }
docs: Invoked by the JDBC driver when a prepared statement is closed.
  
  @param event a data structure containing information about the event.