This interface is used by a printing application to cancel a
print job. This interface extends
DocPrintJob. A
DocPrintJob implementation returned from a print
service implements this interface if the print job can be
cancelled. Before trying to cancel
a print job, the client needs to test if the
DocPrintJob object returned from the print service
actually implements this interface. Clients should never assume
that a
DocPrintJob implements this interface. A
print service might support cancellation only for certain types
of print data and representation class names. This means that
only some of the
DocPrintJob objects returned from
a service will implement this interface.
Service implementors are encouraged to implement this optional interface
and to deliver a javax.print.event.PrintJobEvent.JOB_CANCELLED event
to any listeners if a job is successfully cancelled with an
implementation of this interface. Services should also note that an
implementation of this method may be made from a separate client thread
than that which made the print request. Thus the implementation of
this interface must be made thread safe.
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This interface is used by a printing application to cancel a
print job.
