Here are some extracts of the specification to see if there is something
mis-leading or ambiguous about the intended semantics of Job Template
attributes:
The introduction to Job Template Attributes in section 3.1.2 says:
- Job Template Attributes: These attributes affect the processing of a job.
A client OPTIONALLY supplies Job Template Attributes in a create request,
and the receiving object MUST be prepared to receive all supported
attributes. The Job object can later be queried to find out what Job
Template attributes were originally requested in the create request, and
such attributes are returned in the response as Job Object Attributes. The
Printer object can be queried about its Job Template attributes to find out
what type of job processing capabilities are supported and/or what the
default job processing behaviors are, though such attributes are returned
in the response as Printer Object Attributes. The "ipp-attribute-fidelity"
operation attribute affects processing of all client supplied Job Template
attributes (see section 15 for a full description of
"ipp-attribute-fidelity" and its relationship to other attributes).
In section 3.2.1.1, Print-Job Request, the "ipp-attribute-fidelity" is
explained:
"ipp-attribute-fidelity" (boolean):
The client OPTIONALLY supplies this attribute. The Printer object MUST
support this attribute. The value 'true' indicates that total fidelity to
client supplied Job Template attributes and values is required, else the
Printer object SHALL reject the Print-Job request. The value 'false'
indicates that a reasonable attempt to print the Job object is acceptable
and the Printer object SHALL accept the Print-job request. If not supplied,
the Printer object assumes the value is 'false'. All Printer objects MUST
support both types of job processing. See section 15 for a full
description of "ipp-attribute-fidelity" and its relationship to other
attributes, especially the Printer object's "pdl-override-supported"
attribute.
In section 4.2, Job Template attributes, we have:
4.2 Job Template Attributes
Job Template attributes describe job processing behavior. Support for Job
Template attributes by a Printer object is OPTIONAL (see section 12.2.3 for
a description of support for OPTIONAL attributes). Also, clients
OPTIONALLY supply Job Template attributes in create requests.
Job Template attributes conform to the following rules. For each Job
Template attribute called "xxx":
What can we do to make it clearer?
Thanks,
Tom
At 14:15 04/02/1998 PST, Carl Kugler wrote:
>Henrik-
>
>My understanding is that the job template attributes specify requested
>processing for a job. In your example the server makes n copies.
However, the
>J.T. attributes are OPTIONAL. Also, they can be ignored if
>ipp-attribute-fidelity is false.
>
> -Carl
>
>
>
>ipp-owner@pwg.org on 04/01/98 01:59:01 AM
>Please respond to ipp-owner@pwg.org
>To: ipp@pwg.org
>cc:
>Subject: IPP> IPP: Job template attributes
>
>
>
>I am wondering, are the job template attributes only for information and
>administration?
>E.g. if an IPP Server recieves the job template attribute 'copies n' must
>the IPP Server make
>the n copies, or does the attribute only tell that the following job will
>me maked in n copies.
>
>Henrik Holst
>
>___________________________________________________________
> Henrik Holst
> Software engineer - developing embedded Printservers
> i-data International
> Vadstrupvej 35-43, 2880 Bagsvaerd, Denmark
> Voice: (+45) 44366271
> Fax: (+45) 44366111
> Email: henrik.holst@i-data.com
> WEB: www.i-data.com
>
>
>
>
>
>
>
>