protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
_output.Dispose();
}
_disposed = true;
base.Dispose(disposing);
}
public Cursor(IChannelProvider provider, RowToRowScorerBase parent, DataViewRowCursor input, bool[] active, IEnumerable <DataViewSchema.Column> activeMapperColumns)
: base(provider, input)
{
Ch.AssertValue(parent);
Ch.AssertValue(active);
Ch.AssertValue(activeMapperColumns);
_bindings = parent.GetBindings();
Schema = parent.OutputSchema;
Ch.Assert(active.Length == _bindings.ColumnCount);
_active = active;
_output = _bindings.RowMapper.GetRow(input, activeMapperColumns);
try
{
Ch.Assert(_output.Schema == _bindings.RowMapper.OutputSchema);
_getters = parent.GetGetters(_output, iinfo => active[_bindings.MapIinfoToCol(iinfo)]);
}
catch (Exception)
{
_output.Dispose();
throw;
}
}