[This message was posted by deepak nayak of home <[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/78e6b440 - PLEASE DO NOT REPLY BY MAIL.]
Thanks david, you just cleared my doubt. But as you see there is no optional fields in template definition. So, in this case this NULL corresponds to which field. Thanks once again, -deepak > You can really never run out of bits in the pmap since the pmap is > implicitly extended with an infinite number of zero bits. > > If I count the bits required by the template instructions you posted, I > get it to four. So you should proceed as if your pmap was 1100. > > NULL means that a value is not present and is used for fields that > are specified as optional (the attribute presence="optional" in the > XML syntax) > > /David > > > > Hi, I had a datastream for FAST, i started decoding and reached > > succesfully upto this point, but after this I got confused. After > > using other pmap bits I have left with three bits '110' and this data > > stream '01 0c f5 19 39 93 00 7d f6 92 84'. And these are the fields > > which I have yet to decode. - <uInt32 name="SecurityID" id="48"> > > <copy/> </uInt32> − <uInt32 name="RptSeq" id="83"> <increment/> > > </uInt32> − <decimal name="MDEntryPx" id="270"> − <exponent> > > <default value="0"/> </exponent> − <mantissa> <delta/> </mantissa> > > </decimal> − <int32 name="MDEntrySize" id="271"> <delta/> </int32> > > − <string name="TradingSessionID" id="336"> <default value="2"/> > > </string> − <uInt32 name="NumberOfOrders" id="346"> <delta/> > > </uInt32> </sequence> > > > > When I tried, I couldn't match all fields with pmap. I got short of > > one pmap bit. Also, there is one NULL in datastream, what is the > > significance of this. > > > > will anyone help me out. Thanks, -deepak. [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 FIX-Protocol@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---