Xerox 4112-4127 Enterprise Printing System-192 - Manual (Page 357)

Using Dynamic Job Descriptor Entries (DJDEs)
Using LCDS Print Description Language 5-3
• DJDE records need not be consecutive because none of the
parameters are applied until the system encounters END.
However, it is recommended that DJDE records be
consecutive, especially when used with delimiter records.
• A page oriented DJDE that is positioned before any print
record on a page takes effect on the current page.
A page oriented DJDE that is positioned after the first print
record on a page takes effect on the next page, unless End
Of Report is encountered.
• DJDE packets that immediately follow a deferred page
oriented DJDE are recognized and ignored. DJDE packets
that are separated by one or more data records from a
deferred page oriented DJDE packet on the same page are
applied.
• For Delimiter Mode stacked report processing, DJDE
parameters may be placed within or after (but not before) the
delimiter record packet.
• If a DJDE is always created because of your coding
procedures, but there is no need to set any of the DJDE
parameters for a particular report, you can create a null DJDE
with nothing but an END parameter specified. The null DJDE
does not modify any of the existing job setup parameters.
Application of DJDEs
The specific parameters included in a DJDE packet are the only
ones modified when the DJDE is applied. The only exceptions
are the JDE DJDE and JDL DJDE, which cause all processing
parameters contained in the JDE to be updated except for those
listed in the “Restrictions on job parameter modification” section
of this chapter. The modified parameter remains in effect until
that parameter is encountered in a later DJDE packet, or until the
end of the report is reached.
When the next report starts, it begins with all of the parameters
that are specified in the original JDE and JDL invoked by
specifications on the user interface windows.
Many DJDEs have parameters that specify the same things as
JDL command parameters. If one of these parameters is not
specified in a DJDE but is specified in the current JDE or JDL,
the JDE or JDL value remains in effect.