using Workflow.Application.BuildFlow.Common.Services;

namespace BuildFlow.Workflow.Tests.Performance;

/// <summary>枚举到指定索引时触发取消的 Excel 行序列。</summary>
public sealed class CancellingExcelRows(
    IReadOnlyList<ExcelParsedRow> rows,
    int cancelAtIndex,
    Action cancel) : IEnumerable<ExcelParsedRow>
{
    public IEnumerator<ExcelParsedRow> GetEnumerator()
    {
        for (var index = 0; index < rows.Count; index++)
        {
            if (index == cancelAtIndex) cancel();
            yield return rows[index];
        }
    }

    System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
        => GetEnumerator();
}