public bool LoadPayloadFromStream(BinaryReader reader,
bool loadLatestData,
bool loadAllPasses)
{
// Read the stream offset where the cell pass stacks start
int CellStacksOffset = reader.ReadInt32();
if (HasLatestData && loadLatestData)
{
if (reader.ReadBoolean())
{
LatestPasses.Read(reader);
}
else
{
LatestPasses = null;
}
}
if (!HasAllPasses && loadAllPasses)
{
Log.LogError("LoadPayloadFromStream asked to load all passes but segment does not have all passes store allocated");
}
if (HasAllPasses && loadAllPasses)
{
reader.BaseStream.Seek(CellStacksOffset, SeekOrigin.Begin);
PassesData.Read(reader);
}
return(true);
}
public bool SavePayloadToStream(BinaryWriter writer)
{
if (!HasAllPasses)
{
throw new TRexSubGridIOException("Leaf sub grids being written to persistent store must be fully populated with pass stacks");
}
int CellStacksOffset = -1;
// Write the cell pass information (latest and historic cell pass stacks)
long CellStacksOffsetOffset = writer.BaseStream.Position;
writer.Write(CellStacksOffset);
// Segments may not have any defined latest pass information
writer.Write(LatestPasses != null);
LatestPasses?.Write(writer);
CellStacksOffset = (int)writer.BaseStream.Position;
PassesData.Write(writer);
int EndPosition = (int)writer.BaseStream.Position;
// Write out the offset to the cell pass stacks in the file
writer.BaseStream.Seek(CellStacksOffsetOffset, SeekOrigin.Begin);
writer.Write(CellStacksOffset);
writer.BaseStream.Seek(EndPosition, SeekOrigin.Begin);
return(true);
}
/// <summary>
/// Determines if this segment violates either the maximum number of cell passes within a
/// segment limit, or the maximum number of cell passes within a single cell within a
/// segment limit.
/// If either limit is breached, this segment requires cleaving
/// </summary>
public bool RequiresCleaving(out int TotalPasses, out int MaxPassCount)
{
const int cleaveSegmentPassCountDeadBand = 100;
PassesData.CalculateTotalPasses(out TotalPasses, out _, out MaxPassCount);
return(TotalPasses > _subGridSegmentPassCountLimit + cleaveSegmentPassCountDeadBand ||
MaxPassCount > _subGridMaxSegmentCellPassesLimit);
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
LatestPasses?.Dispose();
LatestPasses = null;
PassesData?.Dispose();
PassesData = null;
}
disposedValue = true;
}
}
public void DeAllocateFullPassStacks()
{
PassesData?.Dispose();
PassesData = null;
}
