Class PrintJobAttributeEvent encapsulates an event a PrintService
reports to let the client know that one or more printing attributes for a
PrintJob have changed.
Constructs a PrintJobAttributeEvent object.
Parameters: - source - the print job generating this event
- attributes - the attribute changes being reported
Throws: - IllegalArgumentException - if source is
null.
Determine the printing attributes that changed and their new values.
Determine the printing attributes that changed and their new values.
Returns:
Attributes containing the new values for the print job
attributes that changed. The returned set may not be modifiable.