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Nizam
PostPosted: Mon Oct 04, 2004 4:19 pm    Post subject: unresolved element mrm Reply with quote

Disciple

Joined: 10 Feb 2004
Posts: 160

Hi,
I read the incoming message from a queue as blob. At one point in the flow the message is transformed into a mrm(copy book) message using a reset content descriptor.
I was unable to read certain fields of the message. I put a trace and found that part of the message was under the field 'unresolved choice' .
Trace Output:
(0x01000021):MRM = (
(0x0300000B):aaa = 'xxxxxxxx'
(0x01000013):bbb = (
(0x01000013):ccc = (
(0x0300000B):ddd = 'yyyyyyyy'
(0x0300000B):fill_0 = ''
(0x0300000B):eee = 'yyyyyyyyyyyyyyyy'
)
UNRESOLVED CHOICE = X'5456494341303131202d204455504c4943415445205449434b4554204e554d4245525320202020202020202020202020202020202020202020202020202020202020202020202020'
)

I need to read the message in unresolved choice. Can anyone help me find a solution.
Thanks
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jefflowrey
PostPosted: Mon Oct 04, 2004 4:36 pm    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

You need to force the choice to be resolved one way or another before you can access the data inside the choice.

This is done by accessing fields by name.

So if for instance, your choice type contained either RecordA or RecordB, and you knew that a value of 'yyyyyyyyyyyyyyyy' for field eee meant that the choice type should be RecordA, then you would either set or access RecordA by name.
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kirani
PostPosted: Mon Oct 04, 2004 10:44 pm    Post subject: Reply with quote

Jedi Knight

Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA

You can resolve the choice by referring to an element within your choice in a trace node. For example,
Code:

${Root.MRM.<your_choice_element_name>.<inner_element_name>}

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kimbert
PostPosted: Tue Oct 05, 2004 12:28 am    Post subject: Reply with quote

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

Quote:
You can resolve the choice by referring to an element within your choice in a trace node
That will only work if your message flow always uses the same branch of the choice. The correct solution is to write some ESQL in the Compute node which accesses the branch which you want. The parser will automatically parse the unsesolved buffer in the way your ESQL requires.

e.g.
Code:
SET myInteger = InputRoot.MRM.ParentField.Choice.IntegerElement;

or
Code:
SET myChar = InputRoot.MRM.ParentField.Choice.StringElement;
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