public AbstractDataColumn(
DataColumnMetaData metadata,
Int32 columnIndex
)
{
this.MetaData = ArgumentValidator.ValidateNotNull(nameof(metadata), metadata);
this.ColumnIndex = columnIndex;
this._state = INITIAL;
this._value = null;
}
public DataRowColumnSUKSWithConnectionFunctionality(
DataColumnMetaData metadata,
Int32 thisStreamIndex,
ResizableArray <Byte> byteArray,
DataRowColumnSUKS[] allDataRowStreams,
TConnectionFunctionality connectionFunctionality,
ReservedForStatement reservedForStatement
) : base(metadata, thisStreamIndex, byteArray, allDataRowStreams)
{
this.ConnectionFunctionality = ArgumentValidator.ValidateNotNull(nameof(connectionFunctionality), connectionFunctionality);
this.ReservedForStatement = ArgumentValidator.ValidateNotNull(nameof(reservedForStatement), reservedForStatement);
}
public DataRowColumnSUKS(
DataColumnMetaData metadata,
Int32 thisStreamIndex,
ResizableArray <Byte> byteArray,
DataRowColumnSUKS[] allDataRowStreams
) : base(metadata, thisStreamIndex)
{
this.ByteArray = ArgumentValidator.ValidateNotNull(nameof(byteArray), byteArray);
this._totalBytesRead = 0;
this._byteCount = new ReadOnlyResettableAsyncLazy <Int32>(async() => await this.ReadByteCountAsync());
this._allStreams = ArgumentValidator.ValidateNotEmpty(nameof(allDataRowStreams), allDataRowStreams);
this._transitionFunc = async unused => await this.ReadByteCountAsync();
}
/// <summary>
/// Initializes a new instance of <see cref="DataColumnSUKS"/> with given parameters.
/// </summary>
/// <param name="metadata">The column <see cref="DataColumnMetaData"/>.</param>
/// <param name="columnIndex">The index of this column in <see cref="AsyncDataRow"/> it was obtained from.</param>
/// <param name="previousColumn">The previous <see cref="DataColumnSUKS"/> column of the <see cref="AsyncDataRow"/> this belongs to.</param>
/// <exception cref="ArgumentNullException">If <paramref name="metadata"/> is <c>null</c>, or if <paramref name="columnIndex"/> is greater than <c>0</c> but <paramref name="previousColumn"/> is <c>null</c>.</exception>
public DataColumnSUKS(
DataColumnMetaData metadata,
Int32 columnIndex,
AsyncDataColumn previousColumn
) : base(metadata, columnIndex)
{
if (columnIndex > 0)
{
ArgumentValidator.ValidateNotNull(nameof(previousColumn), previousColumn);
}
this._totalBytesRead = 0;
this._byteCount = new ReadOnlyResettableAsyncLazy <Int32>(async() =>
{
if (previousColumn != null)
{
await previousColumn.SkipBytesAsync(null);
}
return(await this.ReadByteCountAsync());
});
}
public TestDataColumn(DataColumnMetaData md, Int32 columnIndex, AsyncDataColumn prevColumn, Int32 value)
: base(md, columnIndex, prevColumn)
{
this._array = new Byte[sizeof(Int32)];
this._array.WriteInt32LEToBytesNoRef(0, value);
}
