/// <summary>
/// Executes child nodes of the current node.
/// </summary>
/// <param name="context">Current ExecutionContext.</param>
/// <returns>NodeResultStatus representing the current node result.</returns>
protected sealed override async Task <NodeResultStatus> PerformExecuteAsync(IExecutionContext <TSource> context)
{
if (ChildNode == null)
{
Logger.LogWarning("Child node of TransitionNode doesn't exist, node will be skipped.");
return(NodeResultStatus.NotRun);
}
Logger.LogDebug("Creating the TransitionNode destination subject.");
TDestination destSubject = await TransitionSourceAsync(context).ConfigureAwait(false);
var destContext = new ExecutionContext <TDestination>(destSubject, context.GlobalOptions);
Logger.LogDebug("Preparing to execute TransitionNode child.");
NodeResult destResult = await ChildNode.ExecuteAsync(destContext).ConfigureAwait(false);
var exceptions = destResult.GetFailExceptions().ToList();
if (exceptions.Count > 0)
{
Logger.LogInformation("TransitionNode child returned {0} exceptions.", exceptions.Count);
context.ParentResult.Exception = exceptions.Count == 1 ? exceptions[0] : new AggregateException(exceptions);
}
Logger.LogDebug("Creating the TransitionNode destination result.");
var resultSubject = await TransitionResultAsync(context, destResult).ConfigureAwait(false);
if (!context.Subject.Equals(resultSubject))
{
Logger.LogDebug("Source subject has changed, calling ChangeSubject.");
context.ChangeSubject(resultSubject);
}
return(destResult.Status);
}
protected override Task <NodeResultStatus> PerformExecuteAsync(IExecutionContext <TestObjectA> context)
{
context.ChangeSubject(new TestObjectA()
{
TestValueString = "New Instance"
});
return(Task.FromResult(NodeResultStatus.Succeeded));
}