public async Task <string> ExecuteAsync(string executionId, RecipeDescriptor recipeDescriptor, object environment)
{
await _eventBus.NotifyAsync <IRecipeEventHandler>(x => x.RecipeExecutingAsync(executionId, recipeDescriptor));
try
{
_environmentMethodProvider = new ParametersMethodProvider(environment);
var result = new RecipeResult {
ExecutionId = executionId
};
await _recipeStore.CreateAsync(result);
using (StreamReader file = File.OpenText(recipeDescriptor.RecipeFileInfo.PhysicalPath))
{
using (var reader = new JsonTextReader(file))
{
// Go to Steps, then iterate.
while (reader.Read())
{
if (reader.Path == "variables")
{
reader.Read();
var variables = JObject.Load(reader);
_variablesMethodProvider = new VariablesMethodProvider(variables);
}
if (reader.Path == "steps" && reader.TokenType == JsonToken.StartArray)
{
while (reader.Read() && reader.Depth > 1)
{
if (reader.Depth == 2)
{
var child = JObject.Load(reader);
var recipeStep = new RecipeExecutionContext
{
Name = child.Value <string>("name"),
Step = child,
ExecutionId = executionId,
Environment = environment
};
var stepResult = new RecipeStepResult {
StepName = recipeStep.Name
};
result.Steps.Add(stepResult);
await _recipeStore.UpdateAsync(result);
ExceptionDispatchInfo capturedException = null;
try
{
await ExecuteStepAsync(recipeStep);
stepResult.IsSuccessful = true;
}
catch (Exception e)
{
stepResult.IsSuccessful = false;
stepResult.ErrorMessage = e.ToString();
// Because we can't do some async processing the in catch or finally
// blocks, we store the exception to throw it later.
capturedException = ExceptionDispatchInfo.Capture(e);
}
stepResult.IsCompleted = true;
await _recipeStore.UpdateAsync(result);
if (stepResult.IsSuccessful == false)
{
capturedException.Throw();
}
}
}
}
}
}
}
await _eventBus.NotifyAsync <IRecipeEventHandler>(x => x.RecipeExecutedAsync(executionId, recipeDescriptor));
return(executionId);
}
catch (Exception)
{
await _eventBus.NotifyAsync <IRecipeEventHandler>(x => x.ExecutionFailedAsync(executionId, recipeDescriptor));
throw;
}
}
