[This message was posted by William Hooper of NA <[email protected]> to the
"FAST Protocol" discussion forum at http://fixprotocol.org/discuss/46. You can
reply to it on-line at http://fixprotocol.org/discuss/read/f1e7e86f - PLEASE DO
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Sorry i don't understand that answer... Specifically do I cache values of
optional fields or not? I am using EBS LIVE and some of the fields are optional
and some are not. I need to know if an optional field, eg price or size, has no
bit set in the map should i clear the value or use a cached valued. Since EBS
LIVE does not use the NULL stuff I am basically asking if there is any
difference between optional and non optional fields in terms of my code.
Here is my template:
note: i removed constant fields from this template
becuase I don't care about them
template name="MarketDataFullRefresh" id="11"
typeRef name="MarketDataFullRefresh"
*
int32 name="BodyLength" id="9"copy int32
string name="TargetCompID" id="56"copy string
uInt64 name="MsgSeqNum" id="34"increment uInt64
string name="SendingTime" id="52"copy string
string name="MdBookType" id="5466"copy string
string name="Symbol" id="55"copy string
string name="CFICode" id="461"copy string
string name="SettlType" id="5459"copy string
*
sequence name="MDEntries"
length name="NoMDEntries" id="268"copy length
string name="MDEntryType" id="269"copy string
decimal name="MDEntryPx" presence="optional" id="270"copy decimal
decimal name="MDEntrySize" presence="optional" id="271"copy decimal
uInt32 name="MDEntryDate" presence="optional" id="272"copy uInt32
string name="MDEntryTime" presence="optional" id="273"copy string
string name="QuoteCondition" presence="optional" id="276"copy string
string name="TraderCount" presence="optional" id="5453"copy string
uInt32 name="MdElementName" id="5450"copy uInt32
end sequence
*
string name="CheckSum" id="10"copy string
end template
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