Empty values in OMM\RSSL

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Question by Paolo Parlapiano · Jun 06 at 08:25 AM · ssl MarketFeed empty_values +0 -0

Empty values in OMM\RSSL

Hi, migrating from an SFC C++ based application to an EMA application, I'm trying to clarify how things have changed on OMM\RSSL regarding the signalling of empty values.

In the Marketfeed\SSL protocol, where everything was a string, we understood from Reuters that for price fields:

"+0" means empty value
"-0" means a true zero value

Since in OMM\RSSL the transport is now binary, is there any other mechanism to signal empty values? In EMA, I see that Data::BlankEnum and DataTypeEnum::NoDataEnum could be related to this concept, could help me clarify this point?

Thanks a lot

Best Regards

Paolo

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Answer 1 · 2019-06-06T10:49:26Z

REFINITIV

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Answer by nick.zincone.1 · Jun 06 at 10:49 AM

Hi @Paolo Parlapiano,

Yes, the Data::BlankEnum you pointed out is the correct way to determine if a field is considered blank.

You can refer to the source code for the EMA Consmer - Decoding MarketPrice data tutorial Specifically, the decode() method demonstrates its usage:

ahs.png (16.9 KiB)

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Paolo Parlapiano · Jun 06 at 11:54 AM 0

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Thank you Nick

Empty values in OMM\RSSL

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