private void DisposeStreamAdapters()
{
if (this.streamAdapters == null)
{
return;
}
foreach (KeyValuePair <Stream, SQLiteStreamAdapter> streamAdapter in this.streamAdapters)
{
SQLiteStreamAdapter value = streamAdapter.Value;
if (value == null)
{
continue;
}
value.Dispose();
}
this.streamAdapters.Clear();
this.streamAdapters = null;
}
public static SQLiteStreamChangeSetIterator Create(Stream stream, SQLiteConnectionFlags flags)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
SQLiteStreamAdapter sQLiteStreamAdapter = null;
SQLiteStreamChangeSetIterator sQLiteStreamChangeSetIterator = null;
IntPtr zero = IntPtr.Zero;
try
{
sQLiteStreamAdapter = new SQLiteStreamAdapter(stream, flags);
SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3changeset_start_strm(ref zero, sQLiteStreamAdapter.GetInputDelegate(), IntPtr.Zero);
if (sQLiteErrorCode != SQLiteErrorCode.Ok)
{
throw new SQLiteException(sQLiteErrorCode, "sqlite3changeset_start_strm");
}
sQLiteStreamChangeSetIterator = new SQLiteStreamChangeSetIterator(sQLiteStreamAdapter, zero, true);
}
finally
{
if (sQLiteStreamChangeSetIterator == null)
{
if (zero != IntPtr.Zero)
{
UnsafeNativeMethods.sqlite3changeset_finalize(zero);
zero = IntPtr.Zero;
}
if (sQLiteStreamAdapter != null)
{
sQLiteStreamAdapter.Dispose();
sQLiteStreamAdapter = null;
}
}
}
return(sQLiteStreamChangeSetIterator);
}