/// <summary>
///
/// </summary>
/// <param name="visitor"></param>
public void RetrieveData(ReportVisitor visitor)
{
reportingContext.TraceLogger.LogInformation("Start Retrieving Data For Report {0}", this.reportType.Name);
QueryFilter queryFilter = new QueryFilter();
queryFilter.QueryRange.StartDate = this.reportingContext.FromDateTime;
queryFilter.QueryRange.EndDate = this.reportingContext.ToDateTime;
queryFilter.CustomFilter = this.reportingContext.DataFilter;
StreamProgress progress = new StreamProgress(this.progressFilePath, this.streamIdentifier);
progress = progress.GetProgress();
DateTime progressTimestamp = progress.TimeStamp;
if (queryFilter.QueryRange.StartDate < progressTimestamp)
{
queryFilter.QueryRange.StartDate = progressTimestamp;
}
queryFilter.ExcludeStartItem = progress.ExcludeStartItem;
int totalCount = RetrieveData(visitor, queryFilter);
reportingContext.TraceLogger.LogInformation("Retrieve Data Completed. Totally [{0}] of Data Retrieved.", totalCount);
}
/// <summary>
///
/// </summary>
/// <typeparam name="TReport"></typeparam>
/// <param name="nodes"></param>
/// <param name="visitor"></param>
/// <returns></returns>
private List <ReportObject> VisitXmlNodes(List <XmlNode> nodes, ReportVisitor visitor)
{
List <ReportObject> list = new List <ReportObject>();
DateTime lastTimeStamp = DateTime.MinValue;
visitor.Reset();
foreach (XmlNode node in nodes)
{
ReportObject report = (ReportObject)Activator.CreateInstance(this.reportType);
report.LoadFromXml(node);
list.Add(report);
visitor.AddReportToBatch(report);
lastTimeStamp = (lastTimeStamp < report.Date) ? report.Date : lastTimeStamp;
}
visitor.VisitBatchReport();
StreamProgress progress = new StreamProgress(this.progressFilePath, streamIdentifier, lastTimeStamp, true);
progress.SaveProgress();
return(list);
}
/// <summary>
///
/// </summary>
/// <param name="visitor"></param>
/// <returns>The count of data returned</returns>
private int RetrieveData(ReportVisitor visitor, QueryFilter filter)
{
int totalResultCount = 0;
//If the TopCount is 0, then it was not specified, hence we take the constant value
if (filter.TopCount == 0)
{
filter.TopCount = ResultPageSize;
}
List <XmlNode> resultNodes = reportProvider.GetResponseXml(this.reportType, filter);
if (resultNodes.Count >= ResultPageSize && filter.SkipCount == 0)
{
reportingContext.TraceLogger.LogInformation("Result is exceeding limit, dividing the range.");
List <QueryRange> subRangeList = filter.QueryRange.GetDividedRanges();
if (subRangeList != null && subRangeList.Count > 0)
{
foreach (QueryRange range in subRangeList)
{
filter.QueryRange = range;
totalResultCount += RetrieveData(visitor, filter);
}
}
else
{
VisitXmlNodes(resultNodes, visitor);
totalResultCount = resultNodes.Count;
reportingContext.TraceLogger.LogInformation(string.Format("Retrieved [{0}] rows of data...", totalResultCount));
reportingContext.TraceLogger.LogInformation("Divided range is null, using Skips.");
int subResult;
filter.SkipCount = 0;
do
{
filter.SkipCount += ResultPageSize;
subResult = RetrieveData(visitor, filter);
totalResultCount += subResult;
} while (subResult >= ResultPageSize);
filter.SkipCount = 0;
}
}
else
{
VisitXmlNodes(resultNodes, visitor);
totalResultCount = resultNodes.Count;
reportingContext.TraceLogger.LogInformation(string.Format("Retrieved [{0}] rows of data...", resultNodes.Count));
}
StreamProgress progress = new StreamProgress(this.progressFilePath, streamIdentifier, filter.QueryRange.EndDate, false);
progress.SaveProgress();
return(totalResultCount);
}
/// <summary>
///
/// </summary>
public void ClearProgress()
{
StreamProgress progress = new StreamProgress(this.progressFilePath, this.streamIdentifier);
progress.ClearProgress();
}
