/// <summary>
/// Get the data values for the specific site, variable and time range as a XML document
/// in the WaterML format
/// </summary>
/// <param name="siteCode">the full site code (networkPrefix:siteCode)</param>
/// <param name="variableCode">the full variable code (vocabularyPrefix:variableCode)</param>
/// <param name="startTime">the start date/time</param>
/// <param name="endTime">the end date/time</param>
/// <param name="estimatedValuesCount">Estimated values count.
/// If this value less then zero, the result collection will necessarily contains only 1 file,
/// otherwise number of file depends from this value.</param>
/// <param name="progressHandler">Progress handler, may be null.</param>
/// <returns>Collection of the downloaded xml file names</returns>
public IEnumerable<string> GetValuesXML(string siteCode, string variableCode,
DateTime startTime, DateTime endTime,
int estimatedValuesCount, IGetValuesProgressHandler progressHandler = null)
{
if (allInOneRequest == true)
{
valuesPerReq = estimatedValuesCount;
}
int intervalsCount;
if (estimatedValuesCount <= 0 || estimatedValuesCount <= valuesPerReq)
intervalsCount = 1;
else
intervalsCount = estimatedValuesCount%valuesPerReq == 0
? estimatedValuesCount/valuesPerReq
: estimatedValuesCount/valuesPerReq + 1;
var datesDiff = endTime.Subtract(startTime);
var daysPerInteval = datesDiff.Days/intervalsCount;
var loopStartDate = startTime;
var loopEndDate = loopStartDate.AddDays(daysPerInteval);
var savedFiles = new List<string>(intervalsCount);
for(int i = 0; i< intervalsCount; i++)
{
if (progressHandler != null &&
progressHandler.CancellationPending) break;
if (i == intervalsCount - 1)
{
loopEndDate = endTime;
}
var startGetTime = DateTime.Now;
try
{
var xmlFile = GetAndSavesValuesXML(siteCode, variableCode, loopStartDate, loopEndDate);
savedFiles.Add(xmlFile);
}finally
{
var endGetTime = DateTime.Now;
var timeTaken = endGetTime.Subtract(startGetTime).TotalSeconds;
if (progressHandler != null)
{
progressHandler.Progress(i, intervalsCount, timeTaken);
}
}
// Set loop dates to next interval
loopStartDate = loopEndDate.AddMinutes(1); //AddDays(1);
loopEndDate = loopStartDate.AddDays(daysPerInteval);
}
return savedFiles.AsEnumerable();
}
/// <summary>
/// This function is used to get the Values in XML Format based on the selected sites in the layer
/// </summary>
/// <param name="info">DownloadInfo</param>
/// <param name="getValueProgressHandler">Progress handler</param>
/// <returns>Collection of of the xml files with values</returns>
/// <exception cref="DownloadXmlException">Some exception during get values from web service</exception>
public IEnumerable <string> DownloadXmlDataValues(OneSeriesDownloadInfo info, IGetValuesProgressHandler getValueProgressHandler)
{
try
{
return(GetWsClientInstance(info.Wsdl).GetValuesXML(info.FullSiteCode, info.FullVariableCode,
info.StartDate, info.EndDate,
info.EstimatedValuesCount,
getValueProgressHandler));
}
catch (Exception ex)
{
Exception exToWrap;
if (ex is TargetInvocationException &&
ex.InnerException != null)
{
exToWrap = ex.InnerException;
}
else
{
exToWrap = ex;
}
throw new DownloadXmlException(exToWrap.Message, exToWrap);
}
}
/// <summary>
/// Get the data values for the specific site, variable and time range as a XML document
/// in the WaterML format
/// </summary>
/// <param name="siteCode">the full site code (networkPrefix:siteCode)</param>
/// <param name="variableCode">the full variable code (vocabularyPrefix:variableCode)</param>
/// <param name="startTime">the start date/time</param>
/// <param name="endTime">the end date/time</param>
/// <param name="estimatedValuesCount">Estimated values count.
/// If this value less then zero, the result collection will necessarily contains only 1 file,
/// otherwise number of file depends from this value.</param>
/// <param name="progressHandler">Progress handler, may be null.</param>
/// <returns>Collection of the downloaded xml file names</returns>
public IEnumerable <string> GetValuesXML(string siteCode, string variableCode,
DateTime startTime, DateTime endTime,
int estimatedValuesCount, IGetValuesProgressHandler progressHandler = null)
{
const int valuesPerReq = 5000;
int intervalsCount;
if (estimatedValuesCount <= 0 || estimatedValuesCount <= valuesPerReq)
{
intervalsCount = 1;
}
else
{
intervalsCount = estimatedValuesCount % valuesPerReq == 0
? estimatedValuesCount / valuesPerReq
: estimatedValuesCount / valuesPerReq + 1;
}
var datesDiff = endTime.Subtract(startTime);
var daysPerInteval = datesDiff.Days / intervalsCount;
var loopStartDate = startTime;
var loopEndDate = loopStartDate.AddDays(daysPerInteval);
var savedFiles = new List <string>(intervalsCount);
for (int i = 0; i < intervalsCount; i++)
{
if (progressHandler != null &&
progressHandler.CancellationPending)
{
break;
}
if (i == intervalsCount - 1)
{
loopEndDate = endTime;
}
var startGetTime = DateTime.Now;
try
{
var xmlFile = GetAndSavesValuesXML(siteCode, variableCode, loopStartDate, loopEndDate);
savedFiles.Add(xmlFile);
}finally
{
var endGetTime = DateTime.Now;
var timeTaken = endGetTime.Subtract(startGetTime).TotalSeconds;
if (progressHandler != null)
{
progressHandler.Progress(i, intervalsCount, timeTaken);
}
}
// Set loop dates to next interval
loopStartDate = loopEndDate.AddDays(1);
loopEndDate = loopStartDate.AddDays(daysPerInteval);
}
return(savedFiles.AsEnumerable());
}