protected override void Dispose(bool disposing)
{
if (_headers != null)
{
foreach (LocalStreamHeader header in _headers.Values)
{
if (header.Stream != null)
{
try
{
header.Stream.Reset();
#if UNMANAGEDSTREAM
FSourceStreamManager.Close(header.StreamID);
#else
header.Stream.Close();
#endif
}
catch
{
// ignore exceptions here, the stream is disposed and we don't care
}
header.Stream = null;
}
}
_headers.Dispose();
_headers = null;
}
base.Dispose(disposing);
}
public void Deallocate(StreamID streamID)
{
// Deallocates the given stream in the source stream manager, and removes the header and local cache for it locally, without flushing
LocalStreamHeader header;
if (_headers.TryGetValue(streamID, out header))
{
if (header.Stream != null)
{
header.Stream.Reset();
#if UNMANAGEDSTREAM
FSourceStreamManager.Close(header.StreamID);
#else
header.Stream.Close();
#endif
header.Stream = null;
}
_sourceStreamManager.Deallocate(header.StreamID);
_headers.Remove(header.StreamID);
header.Dispose();
}
else
{
_sourceStreamManager.Deallocate(streamID);
}
}
public void Release(StreamID streamID)
{
// Ensures that the given local cache is flushed and closes the stream obtained from the source stream manager
LocalStreamHeader header;
if (_headers.TryGetValue(streamID, out header))
{
if (header.Stream != null)
{
header.Stream.Flush();
#if UNMANAGEDSTREAM
FSourceStreamManager.Close(AStreamID);
#else
header.Stream.Close();
#endif
header.Stream = null;
}
_headers.Remove(header.StreamID);
header.Dispose();
}
}