<#@ template language="C#" inherits="ActionTemplate" visibility="internal" linePragmas="false" #> <#@ output extension=".cs" #> <#@ assembly name="System.Core" #> <#@ import namespace="Microsoft.Agents.ObjectModel" #> <#@ include file="Snippets/AssignVariableTemplate.tt" once="true" #> <#@ include file="Snippets/EvaluateValueExpressionTemplate.tt" once="true" #> ///

/// Loops over a list assignign the loop variable to "<#= this.Model.Value #>" variable. ///

internal sealed class <#= this.Name #>Executor(FormulaSession session) : ActionExecutor(id: "<#= this.Id #>", session) { private int _index; private object[] _values = []; public bool HasValue { get; private set; } // protected override async ValueTask ExecuteAsync(IWorkflowContext context, CancellationToken cancellationToken) { this._index = 0;<# EvaluateValueExpression(this.Model.Items, "evaluatedValue");#> if (evaluatedValue == null) { this._values = []; this.HasValue = false; } else if (evaluatedValue is IEnumerable evaluatedList) { this._values = [.. evaluatedList]; } else { this._values = [evaluatedValue]; } await this.ResetAsync(context, cancellationToken).ConfigureAwait(false); return default; } public async ValueTask TakeNextAsync(IWorkflowContext context, object? _, CancellationToken cancellationToken) { if (this.HasValue = this._index < this._values.Length) { object value = this._values[this._index]; <# AssignVariable(this.Value, "value", tightFormat: true); if (this.Index is not null) { AssignVariable(this.Index, "this._index", tightFormat: true); } #> this._index++; } } public async ValueTask CompleteAsync(IWorkflowContext context, object? _, CancellationToken cancellationToken) { await this.ResetAsync(context, cancellationToken).ConfigureAwait(false); } private async ValueTask ResetAsync(IWorkflowContext context, CancellationToken cancellationToken) {<# AssignVariable(this.Value, "UnassignedValue.Instance", tightFormat: true); if (this.Index is not null) { AssignVariable(this.Index, "UnassignedValue.Instance", tightFormat: true); } #> } }