private float?OnePoint() { _block.Clear(); int length = _collector.CollectPoints(_block, _n); //how to handle? if (length < _n) { return(null); } return(Average()); }
private void TaskSpecificProcess() { _collector.Start(); _realBlock.Clear(); _baseBlock.Clear(); _preBaseBlock.Clear(); _source.LoadBlock(_baseBlock); _source.LoadBlock(_preBaseBlock); _listRenderTask.Begin(_realBlock, _baseBlock, _preBaseBlock); if (_viewRenderTask != null) { _viewRenderTask.Begin(_realBlock, _baseBlock, _preBaseBlock); } if (_statisticTask != null) { _statisticTask.Start(); } if (_startedCallback != null) { _startedCallback(); } while (_rendering) { int index = _realBlock.Length; int length = Math.Min(_realBlock.Capacity, CollectStep); length = _collector.CollectPoints(_realBlock, length); if (length == 0) { _rendering = false; break; } bool needNewList, needNewView = false; needNewList = _listRenderTask.RenderRealPoints(length); if (_viewRenderTask != null) { needNewView = _viewRenderTask.RenderRealPoints(length); } if (_statisticTask != null) { _statisticTask.Statistics(_baseBlock, _realBlock, index, length); } if (_scrollTask != null && _scrollTask.IsEnable) { _scrollTask.Scroll(_statisticTask.StatisticResult.Count); } Debug.Assert(!_realBlock.IsFull || needNewList); if (_realBlock.IsFull) { _file.WriteBlock(_realBlock); _realBlock.Clear(); var tb = _baseBlock; _baseBlock = _preBaseBlock; _preBaseBlock = tb; _preBaseBlock.Clear(); _source.LoadBlock(_preBaseBlock); _listRenderTask.RenderBasePointsBlock(_preBaseBlock); if (_viewRenderTask != null) { _viewRenderTask.RenderBasePointsBlock(_preBaseBlock); } } if (needNewList) { _listRenderTask.PrepareRenderItem(_realBlock); } if (_viewRenderTask != null && needNewView) { _viewRenderTask.PrepareRenderItem(_realBlock); } } _collector.Stop(); _listRenderTask.Finish(); if (_viewRenderTask != null) { _viewRenderTask.Finish(); } if (_statisticTask != null) { _statisticTask.Stop(); } _file.WriteBlock(_realBlock); if (_stopedCallback != null) { _stopedCallback(); } }