Пример #1
0
 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;
 }
Пример #2
0
        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);
        }