/// <summary>
/// Add a decorator to the enumerable for additional processing
/// </summary>
/// <param name="operation">The operation.</param>
/// <param name="enumerator">The enumerator.</param>
/// <param name="cancellationToken">A <see cref="T:System.Threading.CancellationToken" /> that may be used to cancel the asynchronous iteration.</param>
protected override AsyncEnumerableTask <Row> DecorateEnumerableForExecution(
IOperation operation,
IAsyncEnumerable <Row> enumerator,
CancellationToken cancellationToken = default)
{
return(AsyncEnumerableTask <Row> .Completed(new CachingEnumerable <Row>(new EventRaisingEnumerator(operation, enumerator), cancellationToken)));
}
/// <summary>
/// Add a decorator to the enumerable for additional processing
/// </summary>
/// <param name="operation">The operation.</param>
/// <param name="enumerator">The enumerator.</param>
/// <param name="cancellationToken">A <see cref="T:System.Threading.CancellationToken" /> that may be used to cancel the asynchronous iteration.</param>
protected override AsyncEnumerableTask <Row> DecorateEnumerableForExecution(IOperation operation,
IAsyncEnumerable <Row> enumerator,
CancellationToken cancellationToken = default)
{
return(AsyncEnumerableTask <Row> .Completed(new AsyncEnumerable <Row>(async yield =>
{
await new EventRaisingEnumerator(operation, enumerator)
.ForEachAsync(async row => { await yield.ReturnAsync(row); }, cancellationToken);
})));
}