public RampingStrategySummary(
IPriceImpactSummary priceImpact,
ITimeSeriesTrendClassification trendClassification,
RampingStrategy rampingStrategy,
TimeSegment timeSegment)
{
this.PriceImpact = priceImpact ?? throw new ArgumentNullException(nameof(priceImpact));
this.TrendClassification =
trendClassification ?? throw new ArgumentNullException(nameof(trendClassification));
this.RampingStrategy = rampingStrategy;
this.TimeSegment = timeSegment;
}
public TimeSeriesTrendClassification(
IFinancialInstrument instrument,
TimeSeriesTrend trend,
DateTime commencementUtc,
DateTime terminationUtc,
TimeSegment timeSegment)
{
this.Instrument = instrument ?? throw new ArgumentNullException(nameof(instrument));
this.Trend = trend;
this.CommencementUtc = commencementUtc;
this.TerminationUtc = terminationUtc;
this.TimeSegment = timeSegment;
}
public void CanFormatTimeSegment()
{
var segment = new TimeSegment
{
Start = new DateTime(2016, 8, 30, 23, 44, 08),
End = new DateTime(2016, 8, 30, 23, 59, 59)
};
var json = new BsonDocument
{
{ "start", segment.Start.ToString("HH:mm:ss") },
{ "end", segment.End.ToString("HH:mm:ss") },
{ "diration", segment.Span.Hours + "h " + segment.Span.Minutes + "m " + segment.Span.Seconds + "s" },
{ "minutes", segment.Span.TotalMinutes.Round(2) },
{ "hours", segment.Span.TotalHours.Round(2) },
{ "task_id", segment.Id },
{ "task_comment", segment.Comment }
};
Console.WriteLine(json);
}
void timer1_Tick(object sender, EventArgs e)
{
if (Status == TimerStatus.Running)
{
int h = NowTimerValue.Hours;
int m = NowTimerValue.Minutes;
int s = NowTimerValue.Seconds;
if (s > 0)
{
s--;
}
else if (m > 0)
{
m--;
s = 59;
}
else if (h > 0)
{
h--;
m = 59;
s = 59;
}
else
{
OnTimeIsOver();
}
if (h <= 0 && m <= 0 && s <= 0)
{
OnTimeIsOver();
}
else
{
NowTimerValue = new TimeSegment(h, m, s);
}
}
else
{
timer1.Enabled = false;
}
}
// POST api/customers
public HttpResponseMessage Post([FromBody] TimeSegment timeSegmentDto)
{
return(ActionWarpper.Process(timeSegmentDto, OperationCodes.ATMSGM, () =>
{
var repo = RepositoryManager.GetRepository <ITimeSegmentRepository>();
if (repo.Query(new Hashtable()
{
{ "TimeSegmentCode", timeSegmentDto.TimeSegmentCode }
}).Any())
{
return new HttpResponseMessage(HttpStatusCode.BadRequest)
{
Content = new StringContent(string.Format("系统中已经存在编号为{0}的时间段", timeSegmentDto.TimeSegmentCode)),
ReasonPhrase = ConstStrings.BusinessLogicError,
};
}
var timeSegment = repo.Insert(timeSegmentDto);
return Request.CreateResponse(HttpStatusCode.OK, timeSegment);
}, this));
}
public void StartNewSegment(string key)
{
if (!Enabled)
{
return;
}
if (m_stopwatch.IsRunning)
{
CloseSegment();
}
if (!m_segments.Contains(key))
{
m_segments.Add(key, new TimeSegment(key));
}
m_lastSegmentRef = m_segments[key] as TimeSegment;
m_stopwatch.Restart();
}
public void DeleteTimeSegment(TimeSegment ts)
{
_context.Remove(ts);
_context.SaveChanges();
}
public void AddTimeSgment(TimeSegment ts)
{
_context.Add(ts);
}
public IPriceImpactSummary ClassifyByWeightedVolume(IReadOnlyCollection <Order> orders, TimeSegment segment)
{
if (!orders.Any())
{
return(new PriceImpactSummary(PriceImpactClassification.Unknown, segment));
}
var buySide = orders
.Where(_ => _.OrderDirection == OrderDirections.BUY || _.OrderDirection == OrderDirections.COVER)
.Sum(_ => _.OrderFilledVolume ?? 0);
var sellSide = orders
.Where(_ => _.OrderDirection == OrderDirections.SELL || _.OrderDirection == OrderDirections.SHORT)
.Sum(_ => _.OrderFilledVolume ?? 0);
if (buySide == 0)
{
var impact = sellSide == 0 ? PriceImpactClassification.Unknown : PriceImpactClassification.Negative;
return(new PriceImpactSummary(impact, segment));
}
var totalVolume = orders.Sum(_ => _.OrderFilledVolume ?? 0);
if (totalVolume == 0)
{
return(new PriceImpactSummary(PriceImpactClassification.Unknown, segment));
}
var proportionBuySide = buySide / totalVolume;
if (proportionBuySide >= 0.66m)
{
return(new PriceImpactSummary(PriceImpactClassification.Positive, segment));
}
if (proportionBuySide <= 0.33m)
{
return(new PriceImpactSummary(PriceImpactClassification.Negative, segment));
}
return(new PriceImpactSummary(PriceImpactClassification.Unknown, segment));
}
public TimerDialog(int hour, int minute, int second)
: this()
{
TimerValue = new TimeSegment(hour, minute, second);
Status = TimerStatus.Paused;
}
public void Add(TimeSegment segment)
{
if (segment != null && segment.BeginTime <= segment.EndTime)
{
if (TimeSegments.Count == 0)
{
TimeSegments.Add(segment);
}
else
{
int leftIndex = -1;
int rightIndex = -1;
bool handled = false;
for (int i = 0; i < TimeSegments.Count; i++)
{
if (TimeSegments[i].Equals(segment))
{
handled = true;
break;
}
if (IsSurrounding(TimeSegments[i], segment))
{
TimeSegments[i].BeginTime = segment.BeginTime;
TimeSegments[i].EndTime = segment.EndTime;
CollapseLeft(i);
CollapseRight(i);
handled = true;
break;
}
if (IsWithin(TimeSegments[i], segment.BeginTime))
{
if (segment.EndTime > TimeSegments[i].EndTime)
{
TimeSegments[i].EndTime = segment.EndTime;
CollapseRight(i);
}
handled = true;
break;
}
if (IsWithin(TimeSegments[i], segment.EndTime))
{
if (segment.BeginTime < TimeSegments[i].BeginTime)
{
TimeSegments[i].BeginTime = segment.BeginTime;
CollapseLeft(i);
}
handled = true;
break;
}
if (IsLeftOf(segment, TimeSegments[i].BeginTime))
{
leftIndex = i;
break;
}
else if (IsRightOf(segment, TimeSegments[i].EndTime))
{
rightIndex = i;
}
}
if (!handled)
{
if (rightIndex + 1 is int newIndex && newIndex >= 1)
{
if (TimeSegments.Count > newIndex)
{
TimeSegments.Insert(newIndex, segment);
}
else
{
TimeSegments.Add(segment);
}
}
else if (leftIndex >= 0)
{
TimeSegments.Insert(leftIndex, segment);
}
}
}
}
public TimeRange(TimeSegment segment)
{
TimeSegments.Add(segment);
}
public PriceImpactSummary(PriceImpactClassification classification, TimeSegment timeSegment)
{
this.Classification = classification;
this.TimeSegment = timeSegment;
}
public ITimeSeriesTrendClassification Classify(
List <EquityInstrumentIntraDayTimeBar> timeBars,
IFinancialInstrument financialInstrument,
DateTime commencement,
DateTime termination,
TimeSegment timeSegment)
{
if (timeBars == null || !timeBars.Any())
{
this._logger?.LogWarning("Received an empty or null time bars collection");
return(new TimeSeriesTrendClassification(
financialInstrument,
TimeSeriesTrend.Unclassified,
commencement,
termination,
timeSegment));
}
var orderedTimeBars = timeBars.OrderBy(_ => _.TimeStamp).ToList();
// basic implementation for initial work - we will make this more sophisticated in response to tests
var initial = orderedTimeBars.FirstOrDefault();
var final = orderedTimeBars.LastOrDefault();
if (initial == null || final == null)
{
return(new TimeSeriesTrendClassification(
financialInstrument,
TimeSeriesTrend.Unclassified,
commencement,
termination,
timeSegment));
}
// TODO take a volatiltiy measure and return chaotic if volatiltiy is high
if (final.SpreadTimeBar.Price.Value > initial.SpreadTimeBar.Price.Value)
{
return(new TimeSeriesTrendClassification(
financialInstrument,
TimeSeriesTrend.Increasing,
commencement,
termination,
timeSegment));
}
if (final.SpreadTimeBar.Price.Value < initial.SpreadTimeBar.Price.Value)
{
return(new TimeSeriesTrendClassification(
financialInstrument,
TimeSeriesTrend.Decreasing,
commencement,
termination,
timeSegment));
}
return(new TimeSeriesTrendClassification(
financialInstrument,
TimeSeriesTrend.Unclassified,
commencement,
termination,
timeSegment));
}
public TimerDialog(TimeSegment timerValue)
: this()
{
TimerValue = new TimeSegment(timerValue.Hours, timerValue.Minutes, timerValue.Seconds);
Status = TimerStatus.Paused;
}
public Trun(Stream fs, ulong maximumLength)
{
Samples = new List <TimeSegment>();
if (maximumLength <= 4)
{
return;
}
Buffer = new byte[maximumLength - 4];
var readCount = fs.Read(Buffer, 0, Buffer.Length);
if (readCount < (int)maximumLength - 4)
{
return;
}
var versionAndFlags = GetUInt(0);
var version = versionAndFlags >> 24;
var flags = versionAndFlags & 0xFFFFFF;
var sampleCount = GetUInt(4);
int pos = 8;
if ((flags & 0x000001) > 0)
{
pos += 4;
}
// skip "first_sample_flags" if present
if ((flags & 0x000004) > 0)
{
pos += 4;
}
for (var sampleIndex = 0; sampleIndex < sampleCount; sampleIndex++)
{
var sample = new TimeSegment();
if (pos > Buffer.Length - 4)
{
return;
}
// read "sample duration" if present
if ((flags & 0x000100) > 0)
{
sample.Duration = GetUInt(pos);
pos += 4;
}
if (pos > Buffer.Length - 4)
{
return;
}
// skip "sample_size" if present
if ((flags & 0x000200) > 0)
{
pos += 4;
}
if (pos > Buffer.Length - 4)
{
return;
}
// skip "sample_flags" if present
if ((flags & 0x000400) > 0)
{
pos += 4;
}
if (pos > Buffer.Length - 4)
{
return;
}
// read "sample_time_offset" if present
if ((flags & 0x000800) > 0)
{
sample.TimeOffset = version == 0 ? GetUInt(pos) : (uint)GetUInt(pos);
pos += 4;
}
Samples.Add(sample);
}
}
public IPriceImpactSummary ClassifyByTradeCount(IReadOnlyCollection <Order> orders, TimeSegment segment)
{
if (!orders.Any())
{
return(new PriceImpactSummary(PriceImpactClassification.Unknown, segment));
}
var buySide = orders.Count(
_ => _.OrderDirection == OrderDirections.BUY || _.OrderDirection == OrderDirections.COVER);
if (buySide == 0)
{
return(new PriceImpactSummary(PriceImpactClassification.Negative, segment));
}
var proportionBuySide = buySide / (decimal)orders.Count;
if (proportionBuySide >= 0.66m)
{
return(new PriceImpactSummary(PriceImpactClassification.Positive, segment));
}
if (proportionBuySide <= 0.33m)
{
return(new PriceImpactSummary(PriceImpactClassification.Negative, segment));
}
return(new PriceImpactSummary(PriceImpactClassification.Unknown, segment));
}