protected override void Dispose(bool disposing)
{
try
{
if (!this.disposed && disposing)
{
if (this.outputStreamAdapter != null)
{
this.outputStreamAdapter.Dispose();
this.outputStreamAdapter = null;
}
if (this.inputStreamAdapter != null)
{
this.inputStreamAdapter.Dispose();
this.inputStreamAdapter = null;
}
if (this.outputStream != null)
{
this.outputStream = null;
}
if (this.inputStream != null)
{
this.inputStream = null;
}
}
}
finally
{
base.Dispose(disposing);
this.disposed = true;
}
}
private void CheckOutputStream()
{
if (this.outputStream == null)
{
throw new InvalidOperationException("output stream unavailable");
}
if (this.outputStreamAdapter == null)
{
this.outputStreamAdapter = new SQLiteStreamAdapter(this.outputStream, base.GetFlags());
}
}
public SQLiteStreamAdapter GetAdapter(Stream stream)
{
SQLiteStreamAdapter sQLiteStreamAdapter;
this.CheckDisposed();
if (stream == null)
{
return(null);
}
if (this.streamAdapters.TryGetValue(stream, out sQLiteStreamAdapter))
{
return(sQLiteStreamAdapter);
}
sQLiteStreamAdapter = new SQLiteStreamAdapter(stream, this.flags);
this.streamAdapters.Add(stream, sQLiteStreamAdapter);
return(sQLiteStreamAdapter);
}
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 void CreatePatchSet(Stream stream)
{
this.CheckDisposed();
this.CheckHandle();
if (stream == null)
{
throw new ArgumentNullException("stream");
}
SQLiteStreamAdapter streamAdapter = this.GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException("could not get or create adapter for output stream");
}
SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3session_patchset_strm(this.session, streamAdapter.GetOutputDelegate(), IntPtr.Zero);
if (sQLiteErrorCode != SQLiteErrorCode.Ok)
{
throw new SQLiteException(sQLiteErrorCode, "sqlite3session_patchset_strm");
}
}
public void AddChangeSet(Stream stream)
{
this.CheckDisposed();
this.CheckHandle();
if (stream == null)
{
throw new ArgumentNullException("stream");
}
SQLiteStreamAdapter streamAdapter = this.GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException("could not get or create adapter for input stream");
}
SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3changegroup_add_strm(this.changeGroup, streamAdapter.GetInputDelegate(), IntPtr.Zero);
if (sQLiteErrorCode != SQLiteErrorCode.Ok)
{
throw new SQLiteException(sQLiteErrorCode, "sqlite3changegroup_add_strm");
}
}
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);
}
private SQLiteStreamChangeSetIterator(SQLiteStreamAdapter streamAdapter, IntPtr iterator, bool ownHandle) : base(iterator, ownHandle)
{
this.streamAdapter = streamAdapter;
}
