[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/af90e212 - PLEASE DO NOT REPLY BY MAIL.]
I have a template with seven things in it and the first time I get it I get the presence map in one byte. There is no space for the template id to be in the pmap and the template id is sent. Yet I am told that the template id is optional and may be in the first bit. Sometimes I am getting funny looking pmaps and no template id. How does this work... I can see this in the document: A segment has a header consisting of a Presence Map followed by an optional Template Identifier. The segment has a template identifier either if it is a message segment, or if the segment appears as the result of a dynamic template reference instruction. A template identifier is encoded as if a copy operator was specified. The operator uses the global dictionary and has an internal key common to all template identifier fields. This means that a segment with a template identifier does not always contain the template identifier physically. However, the first bit in the presence map is allocated by its copy operator. But I have no idea what it means... Sorry please help... [You can unsubscribe from this discussion group by sending a message to mailto:[email protected]] --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Financial Information eXchange" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/FIX-Protocol?hl=en -~----------~----~----~----~------~----~------~--~---
