public MetricSearchResponseDTO GetMeterList(MetricSearchRequestDTO dto)
{
List <MetricMeter> meterList = dal.GetMeterList(dto);
if (meterList == null || meterList.Count < 1)
{
return(null);
}
MetricSearchResponseDTO responseDTO = new MetricSearchResponseDTO();
responseDTO.MetricUnit = meterList[0].MetricUnit;
#region 分别求 responseDTO.XAxisValueList 和 responseDTO.SerieList
// 分别求 responseDTO.XAxisValueList 和 responseDTO.SerieList：
DateTime xAxisDateTime = CommonHelper.GetDateByUnit(dto.IntervalUnit, dto.StartTime);
DateTime endTimeSearchCondtion = CommonHelper.GetDateByUnit(dto.IntervalUnit, dto.EndTime);
List <MetricMeter> selectResult = null;
List <string> seriesNameList = meterList.Select(x => x.SeriesName).Distinct().ToList <string>();
// value表示Series Name，key表示yAxisValueList：
Dictionary <string, Series> dictionary = new Dictionary <string, Series>();
if (xAxisDateTime == endTimeSearchCondtion) // start: if-else
{
responseDTO.XAxisValueList.Add(CommonHelper.ConvertDateToStringByUnit(dto.IntervalUnit, xAxisDateTime));
DateTime endTime = CommonHelper.GetNextTime(xAxisDateTime, dto.Interval, dto.IntervalUnit);
selectResult = meterList.Where(m => m.XAxisValue >= xAxisDateTime && m.XAxisValue < endTime).ToList <MetricMeter>();
GetYAxisValueDictionary(seriesNameList, selectResult, dto.AggregationWay, dictionary);
}
else
{
while (xAxisDateTime < endTimeSearchCondtion)
{ // start: while
responseDTO.XAxisValueList.Add(CommonHelper.ConvertDateToStringByUnit(dto.IntervalUnit, xAxisDateTime));
DateTime endTime = CommonHelper.GetNextTime(xAxisDateTime, dto.Interval, dto.IntervalUnit);
selectResult = meterList.Where(m => m.XAxisValue >= xAxisDateTime && m.XAxisValue < endTime).ToList <MetricMeter>();
xAxisDateTime = endTime;
// 每次外循环结束后，就能为每个series获得一个YAxisValue：
GetYAxisValueDictionary(seriesNameList, selectResult, dto.AggregationWay, dictionary);
} // end: while
} // end: if-else
responseDTO.SerieList = dictionary.Values.ToList <Series>();
#endregion
return(responseDTO);
}
MetricSearchResponseDTO GetResponseResult(MetricSearchArgs searchCondition)
{
MetricSearchResponseDTO result = null;
switch (searchCondition.MetricType)
{
case MetricType.Meters:
result = logic.GetMeterList(searchCondition.ToDTO());
break;
case MetricType.Histograms:
result = logic.GetHistogramList(searchCondition.ToDTO());
break;
}
return(result);
}
public JsonResult Search(MetricSearchArgs searchCondition)
{
MetricSearchResponseDTO result = null;
switch (searchCondition.MetricType)
{
case MetricType.Meters:
result = logic.GetMeterList(searchCondition.ToDTO());
break;
case MetricType.Histograms:
result = logic.GetHistogramList(searchCondition.ToDTO());
break;
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
public MetricSearchResponseDTO GetHistogramList(MetricSearchRequestDTO dto)
{
MetricSearchResponseDTO responseDTO = null;
List <MetricHistogram> selectResult = null;
Dictionary <string, Series> dic = new Dictionary <string, Series>();
List <MetricHistogram> list = dal.GetHistogramList(dto);
if (list != null && list.Count > 0)
{
responseDTO = new MetricSearchResponseDTO();
responseDTO.MetricUnit = list[0].MetricUnit;
//所有数据列名称
List <string> seriesName = list.Select(x => x.SeriesName).Distinct().ToList <string>();
//DateTime xAxisDateTime = dto.StartTime;
DateTime xAxisDateTime = CommonHelper.GetDateByUnit(dto.IntervalUnit, dto.StartTime);
DateTime endTimeSearchCondtion = CommonHelper.GetDateByUnit(dto.IntervalUnit, dto.EndTime);
bool firstTime = true;
//获取所有间隔时间的数据
//while (xAxisDateTime < dto.EndTime || firstTime)
while (xAxisDateTime < endTimeSearchCondtion || firstTime)
{
firstTime = false;
responseDTO.XAxisValueList.Add(CommonHelper.ConvertDateToStringByUnit(dto.IntervalUnit, xAxisDateTime));
DateTime endTime = CommonHelper.GetNextTime(xAxisDateTime, dto.Interval, dto.IntervalUnit);
selectResult = list.Where(c => c.AddTime >= xAxisDateTime && c.AddTime < endTime).ToList <MetricHistogram>();
for (int index = 0; index < seriesName.Count; index++)
{
if (!dic.ContainsKey(seriesName[index]))
{
dic.Add(seriesName[index], new Series()
{
Name = seriesName[index]
});
}
dic[seriesName[index]].YAxisValueList.Add(Math.Round(GetSeriesValue(selectResult, seriesName[index], dto.AggregationWay), 2));
}
xAxisDateTime = endTime;
}
responseDTO.SerieList = dic.Values.ToList <Series>();
}
return(responseDTO);
}
// GET api/<controller>/5
public HttpResponseMessage Get([FromUri] MetricSearchArgs searchCondition, string callback = "callback")
{
MetricSearchResponseDTO result = GetResponseResult(searchCondition);
if (result != null)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
string content = string.Format("{0}({1})", callback, serializer.Serialize(result));
return(new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(content, System.Text.Encoding.UTF8, "text/javascript")
});
}
else
{
return(new HttpResponseMessage(HttpStatusCode.OK));
}
}