Wombat.MamaMsg.getI64 C# (CSharp) Method

        public long getI64(
			MamaFieldDescriptor descriptor)
        {
            return getI64 (null, (ushort)descriptor.getFid());
        }

        private void handleStandardFields(MamdaSubscription subscription,
                                           MamaMsg msg,
                                           bool checkSeqNum)
        {
            if (mSymbol == null)
                msg.tryString (MamdaCommonFields.SYMBOL, ref mSymbol);

            if (mPartId == null)
            {
                if ((!msg.tryString (MamdaOrderBookFields.PART_ID, ref mPartId)) && (mSymbol != null))
                {
                    // No explicit part ID in message, but maybe in symbol.
                    int lastDot = mSymbol.IndexOf (".");
                    if (lastDot != -1)
                    {
                        lastDot++;
                        int lastChar = mSymbol.Length;
                        if (lastDot != lastChar)
                        {
                            mPartId = mSymbol.Substring (lastDot, (lastChar-lastDot));
                        }
                    }
                }
            }

            msg.tryDateTime (MamdaOrderBookFields.SRC_TIME, ref mSrcTime);
            msg.tryDateTime (MamdaOrderBookFields.ACTIVITY_TIME, ref mActivityTime);
            msg.tryDateTime (MamdaOrderBookFields.LINE_TIME, ref mLineTime);
            msg.tryDateTime (MamaReservedFields.SendTime, ref mSendTime);

            mEventTime = msg.getDateTime (MamdaOrderBookFields.BOOK_TIME, mSrcTime);

            long seqNum = msg.getI64(MamaReservedFields.SeqNum);
            if (checkSeqNum && (seqNum != (mEventSeqNum + 1)))
            {
                mGapBegin    = mEventSeqNum + 1;
                mGapEnd      = seqNum - 1;
                mEventSeqNum = seqNum;
                invokeGapHandlers (subscription, msg);
            }
            else
            {
                mEventSeqNum = seqNum;
            }
        }