private void dispose(Boolean disposing)
{
if (IsDisposed)
{
return;
}
if (disposing) // Do deterministic finalization of managed resources
{
if (_baseTable != null)
{
_baseTable.Dispose();
}
_baseTable = null;
if (_reader != null)
{
_reader.Dispose();
}
_reader = null;
if (_writer != null)
{
_writer.Dispose();
}
_writer = null;
}
_isOpen = false;
}
/// <summary>
/// Opens the <see cref="DbaseFile"/> on the file name
/// specified in the constructor,
/// with a value determining if the file is locked for
/// exclusive read access or not.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// Thrown when the method is called
/// and Object has been disposed.
/// </exception>
internal void Open(WriteAccess writeAccess)
{
checkState();
// TODO: implement asynchronous access
_dbaseFileStream = openDbfFileStream(writeAccess);
_isOpen = true;
syncReadHeader(DataStream);
_reader = new DbaseReader(this);
if (writeAccess != WriteAccess.ReadOnly)
{
_writer = new DbaseWriter(this);
}
// TODO: NullBinaryWriter
}
private void dispose(bool disposing)
{
if (IsDisposed)
{
return;
}
if (disposing) // Do deterministic finalization of managed resources
{
if (_baseTable != null) _baseTable.Dispose();
_baseTable = null;
if (_reader != null) _reader.Dispose();
_reader = null;
if (_writer != null) _writer.Dispose();
_writer = null;
}
_isOpen = false;
}
/// <summary>
/// Opens the <see cref="DbaseFile"/> on the file name
/// specified in the constructor,
/// with a value determining if the file is locked for
/// exclusive read access or not.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// Thrown when the method is called
/// and object has been disposed.
/// </exception>
internal void Open(bool exclusive)
{
checkState();
// TODO: implement asynchronous access
#if !CFBuild
_dbaseFileStream = new FileStream(_filename, FileMode.OpenOrCreate, FileAccess.ReadWrite,
exclusive ? FileShare.None : FileShare.Read, 4096, FileOptions.None);
#else
_dbaseFileStream = new FileStream(_filename, FileMode.OpenOrCreate, FileAccess.ReadWrite,
exclusive ? FileShare.None : FileShare.Read, 4096);
#endif
_isOpen = true;
if (!_headerIsParsed) //Don't read the header if it's already parsed
{
_header = DbaseHeader.ParseDbfHeader(new BufferingStream(DataStream));
_baseTable = DbaseSchema.GetFeatureTableForFields(_header.Columns);
_headerIsParsed = true;
}
_writer = new DbaseWriter(this);
_reader = new DbaseReader(this);
}
/// <summary>
/// Opens the <see cref="DbaseFile"/> on the file name
/// specified in the constructor,
/// with a value determining if the file is locked for
/// exclusive read access or not.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// Thrown when the method is called
/// and Object has been disposed.
/// </exception>
internal void Open(WriteAccess writeAccess)
{
checkState();
// TODO: implement asynchronous access
_dbaseFileStream = openDbfFileStream(writeAccess);
_isOpen = true;
syncReadHeader(DataStream);
_reader = new DbaseReader(this);
if (writeAccess != WriteAccess.ReadOnly)
_writer = new DbaseWriter(this);
// TODO: NullBinaryWriter
}
