question: protected void prepare ( ) { for ( ProcessInfoParameter para : getParameter ( ) ) { String name = para . getParameterName ( ) ; if ( para . getParameter ( ) == null ) ; else if ( name . equals ( PARAM_M_Warehouse_ID ) ) p_M_Warehouse_ID = para . getParameterAsInt ( ) ; else log . log ( Level . SEVERE , "Unknown Parameter: " + name ) ; } p_C_Invoice_ID = getRecord_ID ( ) ; }
target:  Prepare - e.g., get Parameters.