public async Task <IClientLeafSubGrid> ExecuteAsync(ISurfaceElevationPatchArgument arg) => Execute(arg); // Task.Run(() => Execute(arg));
public IClientLeafSubGrid Execute(ISurfaceElevationPatchArgument arg)
{
if (arg.SurveyedSurfacePatchType > SurveyedSurfacePatchType.CompositeElevations)
{
return(null);
}
var cachingSupported = arg.SurveyedSurfacePatchType != SurveyedSurfacePatchType.CompositeElevations && _cache != null;
// Check the item is available in the cache
if (cachingSupported && _cache?.Get(arg.OTGCellBottomLeftX, arg.OTGCellBottomLeftY) is IClientLeafSubGrid cacheResult)
{
return(_cache.ExtractFromCachedItem(cacheResult, arg.ProcessingMap, arg.SurveyedSurfacePatchType));
}
SubGridTreeBitmapSubGridBits savedMap = null;
// Always request the full sub grid from the surveyed surface engine unless composite elevations are requested
if (cachingSupported)
{
savedMap = arg.ProcessingMap;
arg.ProcessingMap = SubGridTreeBitmapSubGridBits.FullMask;
}
var subGridInvalidationVersion = cachingSupported ? _cache.InvalidationVersion : 0;
var executor = new CalculateSurfaceElevationPatch();
_sitemodel ??= DIContext.ObtainRequired <ISiteModels>().GetSiteModel(arg.SiteModelID);
_designFiles ??= DIContext.ObtainRequired <IDesignFiles>();
_surveyedSurfaces ??= _sitemodel.SurveyedSurfaces;
var clientResult = executor.Execute(_sitemodel, arg.OTGCellBottomLeftX, arg.OTGCellBottomLeftY,
arg.CellSize, arg.SurveyedSurfacePatchType, arg.IncludedSurveyedSurfaces,
_designFiles, _surveyedSurfaces, arg.ProcessingMap);
if (clientResult != null)
{
// For now, only cache non-composite elevation sub grids
if (cachingSupported)
{
_cache?.Add(clientResult, subGridInvalidationVersion);
}
if (savedMap != null)
{
clientResult = _cache.ExtractFromCachedItem(clientResult, savedMap, arg.SurveyedSurfacePatchType);
}
}
return(clientResult);
}
/// <summary>
/// Invokes the surface elevation patch computation function on the server nodes the request has been sent to
/// </summary>
public ISerialisedByteArrayWrapper Invoke(ISurfaceElevationPatchArgument arg)
{
try
{
var executor = new CalculateSurfaceElevationPatch();
var siteModel = DIContext.ObtainRequired <ISiteModels>().GetSiteModel(arg.SiteModelID);
if (siteModel == null)
{
_log.LogWarning($"Failed to get site model with ID {arg.SiteModelID}");
return(new SerialisedByteArrayWrapper(null));
}
var result = executor.Execute(siteModel, arg.OTGCellBottomLeftX, arg.OTGCellBottomLeftY,
arg.CellSize, arg.SurveyedSurfacePatchType, arg.IncludedSurveyedSurfaces,
DIContext.ObtainRequired <IDesignFiles>(),
siteModel.SurveyedSurfaces,
arg.ProcessingMap);
byte[] resultAsBytes = null;
if (result != null)
{
try
{
resultAsBytes = result.ToBytes();
}
finally
{
DIContext.Obtain <IClientLeafSubGridFactory>().ReturnClientSubGrid(ref result);
}
}
return(new SerialisedByteArrayWrapper(resultAsBytes));
}
catch (Exception e)
{
_log.LogError(e, "Exception requesting surveyed surface elevation patch");
return(new SerialisedByteArrayWrapper(null));
}
}