public TemplateConstraintResult Evaluate(string?args)
{
try
{
return(EvaluateInternal(args));
}
catch (ConfigurationException ce)
{
return(TemplateConstraintResult.CreateEvaluationFailure(this, ce.Message, LocalizableStrings.Generic_Constraint_WrongConfigurationCTA));
}
}
public TemplateConstraintResult Evaluate(string?args)
{
if (args == "yes")
{
return(TemplateConstraintResult.CreateAllowed(this));
}
else if (args == "no")
{
return(TemplateConstraintResult.CreateRestricted(this, "cannot run", "do smth"));
}
return(TemplateConstraintResult.CreateEvaluationFailure(this, "bad params"));
}
public async Task <TemplateConstraintResult> EvaluateConstraintAsync(string type, string?args, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (!_templateConstrains.TryGetValue(type, out Task <ITemplateConstraint> task))
{
_logger.LogDebug($"The constraint '{type}' is unknown.");
return(TemplateConstraintResult.CreateInitializationFailure(type, string.Format(LocalizableStrings.TemplateConstraintManager_Error_UnknownType, type)));
}
if (!task.IsCompleted)
{
try
{
_logger.LogDebug($"The constraint '{type}' is not initialized, waiting for initialization.");
await CancellableWhenAll(new[] { task }, cancellationToken).ConfigureAwait(false);
_logger.LogDebug($"The constraint '{type}' is initialized successfully.");
}
catch (TaskCanceledException)
{
throw;
}
catch (Exception)
{
//handled below
}
}
cancellationToken.ThrowIfCancellationRequested();
if (task.IsFaulted || task.IsCanceled)
{
var exception = task.Exception is AggregateException ? task.Exception.InnerException ?? task.Exception : task.Exception;
_logger.LogDebug($"The constraint '{type}' failed to be initialized, details: {exception}.");
return(TemplateConstraintResult.CreateInitializationFailure(type, string.Format(LocalizableStrings.TemplateConstraintManager_Error_FailedToInitialize, type, exception.Message)));
}
try
{
return(task.Result.Evaluate(args));
}
catch (Exception e)
{
_logger.LogDebug($"The constraint '{type}' failed to be evaluated for the args '{args}', details: {e}.");
return(TemplateConstraintResult.CreateEvaluationFailure(task.Result, string.Format(LocalizableStrings.TemplateConstraintManager_Error_FailedToEvaluate, type, args, e.Message)));
}
}
public async Task <IReadOnlyList <(ITemplateInfo Template, IReadOnlyList <TemplateConstraintResult> Result)> > EvaluateConstraintsAsync(IEnumerable <ITemplateInfo> templates, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var requiredConstraints = templates.SelectMany(t => t.Constraints).Select(c => c.Type).Distinct();
var tasksToWait = new List <Task>();
foreach (var constraintType in requiredConstraints)
{
if (!_templateConstrains.TryGetValue(constraintType, out Task <ITemplateConstraint> task))
{
//handled below
continue;
}
tasksToWait.Add(task);
}
if (tasksToWait.Any(t => !t.IsCompleted))
{
try
{
var notCompletedTasks = tasksToWait.Where(t => !t.IsCompleted);
_logger.LogDebug($"The constraint(s) are not initialized, waiting for initialization.");
await CancellableWhenAll(notCompletedTasks, cancellationToken).ConfigureAwait(false);
_logger.LogDebug($"The constraint(s) are initialized successfully.");
}
catch (TaskCanceledException)
{
throw;
}
catch (Exception)
{
//handled below
}
}
cancellationToken.ThrowIfCancellationRequested();
List <(ITemplateInfo, IReadOnlyList <TemplateConstraintResult>)> evaluationResult = new();
foreach (ITemplateInfo template in templates)
{
List <TemplateConstraintResult> constraintResults = new();
foreach (var constraint in template.Constraints)
{
if (!_templateConstrains.TryGetValue(constraint.Type, out Task <ITemplateConstraint> task))
{
_logger.LogDebug($"The constraint '{constraint.Type}' is unknown.");
constraintResults.Add(TemplateConstraintResult.CreateInitializationFailure(constraint.Type, string.Format(LocalizableStrings.TemplateConstraintManager_Error_UnknownType, constraint.Type)));
continue;
}
if (task.IsFaulted || task.IsCanceled)
{
var exception = task.Exception is AggregateException ? task.Exception.InnerException ?? task.Exception : task.Exception;
_logger.LogDebug($"The constraint '{constraint.Type}' failed to be initialized, details: {exception}.");
constraintResults.Add(TemplateConstraintResult.CreateInitializationFailure(constraint.Type, string.Format(LocalizableStrings.TemplateConstraintManager_Error_FailedToInitialize, constraint.Type, exception.Message)));
continue;
}
try
{
constraintResults.Add(task.Result.Evaluate(constraint.Args));
}
catch (Exception e)
{
_logger.LogDebug($"The constraint '{constraint.Type}' failed to be evaluated for the args '{constraint.Args}', details: {e}.");
constraintResults.Add(TemplateConstraintResult.CreateEvaluationFailure(_templateConstrains[constraint.Type].Result, string.Format(LocalizableStrings.TemplateConstraintManager_Error_FailedToEvaluate, constraint.Type, constraint.Args, e.Message)));
}
}
evaluationResult.Add((template, constraintResults));
}
return(evaluationResult);
}