/// <summary>
/// Executes this operation, sending the input of this operation
/// to all its child operations
/// </summary>
/// <param name="rows">The rows.</param>
/// <returns></returns>
public override IEnumerable <Row> Execute(IEnumerable <Row> rows)
{
var copiedRows = new CachingEnumerable <Row>(rows);
foreach (var operation in Operations)
{
var cloned = copiedRows.Select(r => r.Clone());
var enumerable = operation.Execute(cloned);
if (enumerable == null)
{
continue;
}
var enumerator = enumerable.GetEnumerator();
#pragma warning disable 642
while (enumerator.MoveNext())
{
;
}
#pragma warning restore 642
}
yield break;
}
/// <summary>
/// Executes this operation, sending the input of this operation
/// to all its child operations
/// </summary>
/// <param name="rows">The rows.</param>
/// <param name="cancellationToken">A CancellationToken to stop execution</param>
/// <returns></returns>
public override IAsyncEnumerable <Row> Execute(IAsyncEnumerable <Row> rows, CancellationToken cancellationToken = default)
{
return(new AsyncEnumerable <Row>(async yield => {
var copiedRows = new CachingEnumerable <Row>(rows, cancellationToken);
foreach (IOperation operation in Operations)
{
var cloned = copiedRows.Select(r => r.Clone());
IAsyncEnumerable <Row> enumerable = operation.Execute(cloned, cancellationToken);
if (enumerable == null)
{
continue;
}
IAsyncEnumerator <Row> enumerator = enumerable.GetAsyncEnumerator(cancellationToken);
#pragma warning disable 642
while (await enumerator.MoveNextAsync())
{
;
}
#pragma warning restore 642
}
yield.Break();
}));
}
/// <summary>
/// Executes this operation, sending the input of this operation
/// to all its child operations
/// </summary>
/// <param name="rows">The rows.</param>
/// <returns></returns>
public override IEnumerable<Row> Execute(IEnumerable<Row> rows) {
var copiedRows = new CachingEnumerable<Row>(rows);
foreach (var operation in Operations) {
var cloned = copiedRows.Select(r => r.Clone());
var enumerable = operation.Execute(cloned);
if (enumerable == null)
continue;
var enumerator = enumerable.GetEnumerator();
#pragma warning disable 642
while (enumerator.MoveNext()) ;
#pragma warning restore 642
}
yield break;
}
