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| BLOB or XML for copying entire message |
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| dipankar |
 Posted: Mon Jul 09, 2007 7:19 am Post subject: BLOB or XML for copying entire message |
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Disciple
Joined: 03 Feb 2005
Posts: 171
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Hi All,
One basic question ---
if there is no need to parse the message body then which domain we should use -- BLOB or XML for consuming less memory.
I mean I just wanted to copy message from input to output by copy entiremessage procedure.
In this case, which domain should I use in MQInput node?
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| wbi_telecom |
| Posted: Mon Jul 09, 2007 7:36 am Post subject: |
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Disciple
Joined: 15 Feb 2006
Posts: 188
Location: Harrisburg, PA
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There is a physical structure of the message and then the domain provides the logical structure for the convinience of manipulating the message. Regardless of the domain you use the phyiscal bitstream of the message remains the same unless you augment it. So if you just want to copy the message without accessing any of the fields, I don't think it matters what domain you mention in the MQInput because the physical format of the message is going to be the same.
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| jefflowrey |
| Posted: Mon Jul 09, 2007 11:01 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Use the BLOB domain.
This will encourage you not to write code that would attempt to access a particular field in the message, and thus prevent any (by your requriement) unnecessary parsing.
Otherwise, wbi_telecom is correct that if you don't access anything in the last child of Root, it doesn't matter what parser has been assigned to the bitstream. No parsing will be done.
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| fjb_saper |
| Posted: Mon Jul 09, 2007 1:04 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Addendum: Make sure you parser is set to 'on demand' and not to 'full on input' or whatever the equivalent is ...
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