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C# MamaMsg.tryPrice方法代码示例

本文整理汇总了C#中Wombat.MamaMsg.tryPrice方法的典型用法代码示例。如果您正苦于以下问题:C# MamaMsg.tryPrice方法的具体用法?C# MamaMsg.tryPrice怎么用?C# MamaMsg.tryPrice使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Wombat.MamaMsg的用法示例。


在下文中一共展示了MamaMsg.tryPrice方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: getLevelInfoAndEntries

        private void getLevelInfoAndEntries(
                                MamdaSubscription subscription,
                                MamaMsg msg,
                                MamaMsg plMsg,
                                bool isRecap)
        {
            double priceLevelSizeChange = 0.0;
            int priceLevelActionInt = 0;
            int priceLevelSideInt = 0;
            MamaMsg entMsg = null;

            plMsg.tryPrice(MamdaOrderBookFields.PL_PRICE, ref mPriceLevelPrice);

            plMsg.tryF64(MamdaOrderBookFields.PL_SIZE, ref mPriceLevelSize);

            plMsg.tryF64(MamdaOrderBookFields.PL_NUM_ENTRIES, ref mPriceLevelNumEntries);

            if (plMsg.tryI32(MamdaOrderBookFields.PL_ACTION, ref priceLevelActionInt))
            {
                mPriceLevelAction = (sbyte) priceLevelActionInt;
            }

            if (plMsg.tryI32(MamdaOrderBookFields.PL_SIDE, ref priceLevelSideInt))
            {
                mPriceLevelSide = (sbyte) priceLevelSideInt;
            }

            // Optional order book fields:

            mPriceLevelTime = plMsg.getDateTime (MamdaOrderBookFields.PL_TIME, mEventTime);

            if ( plMsg.tryF64(MamdaOrderBookFields.PL_SIZE_CHANGE, ref priceLevelSizeChange) )
            {
                mPriceLevelSizeChange = (long) priceLevelSizeChange;
            }

            // Call the Price Level Handler if set
            if (mLevelHandler!=null)
            {
                if (isRecap)
                {
                    mLevelHandler.onBookAtomicLevelRecap (
                                    subscription, this, msg, this);
                }
                else
                {
                    mLevelHandler.onBookAtomicLevelDelta (
                                    subscription, this, msg, this);
                }
            }

            // Handle entries.
            //
            // Note: the number of entries actually present may well
            // not add up to the PL_NUM_ENTRIES; it may be more than,
            // less than or equal to PL_NUM_ENTRIES.  For example, if
            // the delta is a price level update then PL_NUM_ENTRIES
            // indicates the total number of remaining entries whereas
            // the array of entries in the message will only contain
            // those that are being added/deleted/updated. Only if the
            // price level action is an add should the number of
            // entries match.
            //

            if (mLevelEntryHandler!=null)
            {
                // clear entry cache
                clearLevelEntryFields();

                // First try a single vector.
                int  numEntriesInMsg = 0;
                MamaMsg[] msgEntries = null;

                /* We won't have PL_ENTRIES if FieldAttrsOrderBookWombatMsg
                * is not specified in the data dictionary */
                if (MamdaOrderBookFields.PL_ENTRIES != null)
                {
                    /* null is passed as default value otherwise
                    * getVectorMsg throws an exception if not found */
                    msgEntries = plMsg.getVectorMsg(MamdaOrderBookFields.PL_ENTRIES, null);
                    if (msgEntries != null)
                    {
                        numEntriesInMsg = msgEntries.Length;
                    }
                }

                if (numEntriesInMsg > 0)
                {
                    mPriceLevelActNumEntries = numEntriesInMsg;

                    for (int j = 0; j < numEntriesInMsg; j++)
                    {
                        entMsg = msgEntries[j];

                        getEntriesInfo(entMsg);
                        if (isRecap)
                        {
                            mLevelEntryHandler.onBookAtomicLevelEntryRecap (
                                        subscription, this, msg, this);
                        }
//.........这里部分代码省略.........
开发者ID:jacobraj,项目名称:MAMA,代码行数:101,代码来源:MamdaBookAtomicListener.cs


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