/*!
* \brief Get value for a given date and find pattern for best matching sum
*
* \param date The date to get data for. Only month and day of month are extracted
* \param sum needed to find best match of monthly rainPattern sum.
*
* \return The values if available for requested date, else null is returned.
*/
public Double?getValue(DateTime date, Double sum)
{
if (rainPatternData == null)
{
return(null);
}
SortedDictionary <Double, RainPatternValues> rainPatternList;
rainPatternData.TryGetValue(date.Month, out rainPatternList);
if (rainPatternList == null)
{
return(null);
}
//returns 0..n for exact match
//< 0 is the negative index of last smaller
int bestMatchIndex = keys[date.Month].BinarySearch(sum);
//exact match
if (bestMatchIndex >= 0)
{
return(rainPatternList[keys[date.Month][bestMatchIndex]].pattern[date.Day - 1]);
}
else
{
RainPatternValues nextBigger = rainPatternList[keys[date.Month][~bestMatchIndex >= keys[date.Month].Count ? ~bestMatchIndex - 1 : ~bestMatchIndex]];
RainPatternValues lastSmaller = rainPatternList[keys[date.Month][~bestMatchIndex == 0 ? 0 : ~bestMatchIndex - 1]];
if (Math.Abs(nextBigger.sum - sum) < Math.Abs(lastSmaller.sum - sum))
{
return(nextBigger.pattern[date.Day - 1] * sum);
}
return(lastSmaller.pattern[date.Day - 1] * sum);
}
}
/*!
* \brief Add values for a given month and sum.
*
* \param month The when rainPattern occurs
* \param sum The sum of this particular month sample
* \param values The rainPattern values.
*
* \return number of datasets.
*/
public int addValues(int month, Double sum, RainPatternValues values)
{
if (!rainPatternData.ContainsKey(month))
{
rainPatternData[month] = new SortedDictionary <double, RainPatternValues>();
}
rainPatternData[month][sum] = values;
keys[month] = new List <Double>(rainPatternData[month].Keys);
return(rainPatternData.Count);
}
/*!
* \brief Clone Constructor.
*
* \param rainPatternValues The original rainPattern values to clone.
*/
public RainPatternValues(RainPatternValues rainPatternValues)
{
//use this for .net 4.0
//foreach (PropertyInfo pi in this.GetType().GetProperties())
//use this for .net 4.5
foreach (PropertyInfo pi in this.GetType().GetRuntimeProperties())
{
if (rainPatternValues.GetType().GetRuntimeProperty(pi.Name) == null)
{
continue;
}
pi.SetValue(this, rainPatternValues.GetType().GetRuntimeProperty(pi.Name).GetValue(rainPatternValues, null), null);
}
}
private int loadCsv(Stream stream)
{
try
{
_e = null;
CsvReader csvReader = new CsvReader(stream);
while (!csvReader.EndOfStream())
{
IDictionary <String, String> fields;
fields = csvReader.readLine();
if (fields == null || (
(!fields.ContainsKey("dataObjName") || String.IsNullOrEmpty(fields["dataObjName"])) &&
(!fields.ContainsKey("_id") || String.IsNullOrEmpty(fields["_id"]))
))
{
continue;
}
if (String.IsNullOrEmpty(_name))
{
_name = fields.ContainsKey("dataObjName") ? fields["dataObjName"] : fields["_id"];
}
if (fields.ContainsKey("dataObjId") && String.IsNullOrEmpty(_dataObjId) && !String.IsNullOrEmpty(fields["dataObjId"]))
{
_dataObjId = fields["dataObjId"];
}
RainPatternValues values = new RainPatternValues();
values.parseData(fields, _cultureInfo == null ? CultureInfo.InvariantCulture : _cultureInfo);
//month and sum are required
if (!fields.ContainsKey("month") || !fields.ContainsKey("sum"))
{
continue;
}
addValues(values.month, values.sum, values);
}
return(rainPatternData.Count);
}
catch (Exception e)
{
_e = e;
return(0);
}
}
