public SearchResult GetSeriesCatalogInPolygon(IList <IFeature> polygons, string[] keywords, double tileWidth, double tileHeight,
DateTime startDate, DateTime endDate, WebServiceNode[] serviceIDs, BusinessObjects.Models.IProgressHandler bgWorker)
{
if (polygons == null)
{
throw new ArgumentNullException("polygons");
}
if (bgWorker == null)
{
throw new ArgumentNullException("bgWorker");
}
if (polygons.Count == 0)
{
throw new ArgumentException("The number of polygons must be greater than zero.");
}
if (keywords == null || keywords.Length == 0)
{
keywords = new[] { String.Empty };
}
var fullSeriesList = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
for (int index = 0; index < polygons.Count; index++)
{
if (polygons.Count > 1)
{
bgWorker.ReportMessage(string.Format("Processing polygons: {0} of {1}", index + 1, polygons.Count));
}
bgWorker.CheckForCancel();
var polygon = polygons[index];
var extentBox = new Extent(polygon.Envelope);
var seriesForPolygon = GetSeriesListForExtent(extentBox, keywords, tileWidth, tileHeight, startDate,
endDate,
serviceIDs, bgWorker,
item => polygon.Intersects(new Coordinate(item.Longitude, item.Latitude)));
fullSeriesList.AddRange(seriesForPolygon);
}
SearchResult resultFs = null;
if (fullSeriesList.Count > 0)
{
bgWorker.ReportMessage("Calculating Points...");
resultFs = SearchHelper.ToFeatureSetsByDataSource(fullSeriesList);
}
bgWorker.CheckForCancel();
var message = string.Format("{0} Series found.", totalSeriesCount);
bgWorker.ReportProgress(100, "Search Finished. " + message);
return(resultFs);
}
public SearchResult GetSeriesCatalogInRectangle(Box extentBox, string[] keywords, double tileWidth, double tileHeight,
DateTime startDate, DateTime endDate, WebServiceNode[] serviceIDs, BusinessObjects.Models.IProgressHandler bgWorker)
{
if (extentBox == null)
{
throw new ArgumentNullException("extentBox");
}
if (serviceIDs == null)
{
throw new ArgumentNullException("serviceIDs");
}
if (bgWorker == null)
{
throw new ArgumentNullException("bgWorker");
}
if (keywords == null || keywords.Length == 0)
{
keywords = new[] { String.Empty };
}
bgWorker.CheckForCancel();
var extent = new Extent(extentBox.XMin, extentBox.YMin, extentBox.XMax, extentBox.YMax);
var fullSeriesList = GetSeriesListForExtent(extent, keywords, tileWidth, tileHeight, startDate, endDate,
serviceIDs, bgWorker, series => true);
SearchResult resultFs = null;
if (fullSeriesList.Count > 0)
{
bgWorker.ReportMessage("Calculating Points...");
resultFs = SearchHelper.ToFeatureSetsByDataSource(fullSeriesList);
}
bgWorker.CheckForCancel();
var message = string.Format("{0} Series found.", totalSeriesCount);
bgWorker.ReportProgress(100, "Search Finished. " + message);
return(resultFs);
}
/// <summary>
/// Gets all data series within the geographic bounding box that match the
/// specified criteria
/// </summary>
/// <param name="xMin">minimum x (longitude)</param>
/// <param name="xMax">maximum x (longitude)</param>
/// <param name="yMin">minimum y (latitude)</param>
/// <param name="yMax">maximum y (latitude)</param>
/// <param name="keyword">the concept keyword. If set to null,
/// results will not be filtered by concept keyword</param>
/// <param name="startDate">start date. If set to null, results will not be filtered by start date.</param>
/// <param name="endDate">end date. If set to null, results will not be filtered by end date.</param>
/// <param name="networkIDs">array of serviceIDs provided by GetServicesInBox.
/// If set to null, results will not be filtered by web service.</param>
/// <param name="bgWorker">Progress handler </param>
/// <param name="currentTile">Current tile index </param>
/// <param name="totalTilesCount">Total tiles number </param>
/// <returns>A list of data series matching the specified criteria</returns>
protected abstract IEnumerable <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart> GetSeriesCatalogForBox(double xMin, double xMax, double yMin, double yMax,
string keyword, DateTime startDate, DateTime endDate,
int[] networkIDs, BusinessObjects.Models.IProgressHandler bgWorker, long currentTile, long totalTilesCount);
private List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart> GetSeriesListForExtent(Extent extent, IEnumerable <string> keywords, double tileWidth, double tileHeight,
DateTime startDate, DateTime endDate, ICollection <WebServiceNode> serviceIDs,
BusinessObjects.Models.IProgressHandler bgWorker, Func <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart, bool> seriesFilter)
{
var servicesToSearch = new List <Tuple <WebServiceNode[], Extent> >();
if (serviceIDs.Count > 0)
{
foreach (var webService in serviceIDs)
{
if (webService.ServiceBoundingBox == null)
{
servicesToSearch.Add(new Tuple <WebServiceNode[], Extent>(new[] { webService }, extent));
continue;
}
const double eps = 0.05; //tolerance (0.05 deg) used for services whose bounding box is one point
var wsBox = webService.ServiceBoundingBox;
var wsExtent = new Extent(wsBox.XMin - eps, wsBox.YMin - eps, wsBox.XMax + eps, wsBox.YMax + eps);
if (wsExtent.Intersects(extent))
{
servicesToSearch.Add(new Tuple <WebServiceNode[], Extent>(new[] { webService }, wsExtent.Intersection(extent)));
}
}
}
else
{
servicesToSearch.Add(new Tuple <WebServiceNode[], Extent>(new WebServiceNode[] { }, extent));
}
var servicesWithExtents = new List <Tuple <WebServiceNode[], List <Extent> > >(servicesToSearch.Count);
int totalTilesCount = 0;
foreach (var wsInfo in servicesToSearch)
{
var tiles = SearchHelper.CreateTiles(wsInfo.Item2, tileWidth, tileHeight);
servicesWithExtents.Add(new Tuple <WebServiceNode[], List <Extent> >(wsInfo.Item1, tiles));
totalTilesCount += tiles.Count;
}
var fullSeriesList = new List <List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart> >();
long currentTileIndex = 0;
int tilesFinished = 0;
totalSeriesCount = 0;
bgWorker.ReportProgress(0, "0 Series found");
var serviceLoopOptions = new ParallelOptions
{
CancellationToken = bgWorker.CancellationToken,
MaxDegreeOfParallelism = 2,
};
var tileLoopOptions = new ParallelOptions
{
CancellationToken = bgWorker.CancellationToken,
// Note: currently HIS Central returns timeout if many requests are sent in the same time.
// To test set MaxDegreeOfParallelism = -1
MaxDegreeOfParallelism = 4,
};
Parallel.ForEach(servicesWithExtents, serviceLoopOptions, wsInfo =>
{
bgWorker.CheckForCancel();
var ids = wsInfo.Item1.Select(item => item.ServiceID).ToArray();
var tiles = wsInfo.Item2;
Parallel.ForEach(tiles, tileLoopOptions, tile =>
{
var current = Interlocked.Add(ref currentTileIndex, 1);
bgWorker.CheckForCancel();
// Do the web service call
var tileSeriesList = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
if (SearchSettings.AndSearch == true)
{
//CHANGES FOR "AND" SEARCH
var totalTileSeriesList = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList2 = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList3 = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
var tileSeriesList4 = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
SeriesComparer sc = new SeriesComparer();
for (int i = 0; i < keywords.Count(); i++)
{
String keyword = keywords.ElementAt(i);
bgWorker.CheckForCancel();
var series = GetSeriesCatalogForBox(tile.MinX, tile.MaxX, tile.MinY, tile.MaxY, keyword, startDate, endDate, ids, bgWorker, current, totalTilesCount);
totalTileSeriesList.AddRange(series);
if (tileSeriesList.Count() == 0)
{
if (i == 0)
{
tileSeriesList.AddRange(series);
}
else
{
break;
}
}
else
{
tileSeriesList2.AddRange(tileSeriesList.Intersect(series, sc));
tileSeriesList.Clear();
tileSeriesList.AddRange(tileSeriesList2);
tileSeriesList2.Clear();
}
}
for (int i = 0; i < tileSeriesList.Count(); i++)
{
tileSeriesList4 = totalTileSeriesList.Where(item => (item.SiteName.Equals(tileSeriesList.ElementAt(i).SiteName))).ToList();
tileSeriesList3.AddRange(tileSeriesList4);
}
tileSeriesList = tileSeriesList3;
}
else
{
tileSeriesList = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>();
foreach (var keyword in keywords)
{
bgWorker.CheckForCancel();
var series = GetSeriesCatalogForBox(tile.MinX, tile.MaxX, tile.MinY, tile.MaxY, keyword, startDate, endDate, ids, bgWorker, current, totalTilesCount);
tileSeriesList.AddRange(series);
}
}
//END CHANGES FOR "AND" SEARCH
bgWorker.CheckForCancel();
if (tileSeriesList.Count > 0)
{
var filtered = tileSeriesList.Where(seriesFilter).ToList();
if (filtered.Count > 0)
{
lock (_lockGetSeries)
{
totalSeriesCount += filtered.Count;
fullSeriesList.Add(filtered);
}
}
}
// Report progress
var currentFinished = Interlocked.Add(ref tilesFinished, 1);
var message = string.Format("{0} Series found", totalSeriesCount);
var percentProgress = (currentFinished * 100) / totalTilesCount;
bgWorker.ReportProgress(percentProgress, message);
});
});
// Collect all series into result list
var result = new List <BusinessObjects.Models.SeriesDataCartModel.SeriesDataCart>(totalSeriesCount);
fullSeriesList.ForEach(result.AddRange);
return(result);
}
