public ActionResultFaultlessExecutionService(FaultlessExecution.Abstractions.IFaultlessExecutionService faultlessExecutionService,
Microsoft.Extensions.Logging.ILogger <ActionResultFaultlessExecutionService> logger)
{
_faultlessExecutionService = faultlessExecutionService;
_faultlessExecutionService.LogErrors = false;//bypass the built in error log, we'll log the errors ourself
_logger = logger;
}
public void Load()
{
this.PeopleList = new ObservableCollection <DemoServices.Person>();
this.CityList = new ObservableCollection <DemoServices.City>();
this.AnswerList = new ObservableCollection <DemoServices.Answer>();
this.ErrorList = new ObservableCollection <string>();
if (UseGenericExceptionHandler)
{
_faultlessExecutionService = new ShowMessageBoxFaultlesExecutionService(); //this demonstrates how you might write a generic handler so that you don't need to worry about writing .onexeption handlers for all your calls
}
else
{
_faultlessExecutionService = new FaultlessExecution.FaultlessExecutionService();
}
//simple example of testing that something did not error
var peopleResult = _faultlessExecutionService.TryExecute(() => _database.GetAllThePeopleInTheWorld());
if (peopleResult.WasSuccessful)
{
LoadPersonList(peopleResult.ReturnValue);
}
else
{
HandleException(peopleResult.Exception);
}
//example of using OnException and/or OnSuccess to perform actions based on whether the call was successful or not
_faultlessExecutionService.TryExecute(() => _webApi.GetSomeCities())
.OnException((r) => this.HandleException(r.Exception))
.OnSuccess((r) => this.LoadCityList(r.ReturnValue));
//example of using the retry logic to rerun the action if it failed
var cloudResult = _faultlessExecutionService.TryExecute(() => _cloud.GetAllTheAnswers())
.Retry(numberOfRetries: 3)
.OnException((r) => this.HandleException(r.Exception));
if (cloudResult.WasSuccessful)
{
this.LoadAnswerList(cloudResult.ReturnValue);
}
//example of using the retryIf logic to rerun the action if some condition is met
_faultlessExecutionService.TryExecute(() => _fileSystem.CheckAllOfYourFiles())
.RetryOnceIf((result) => result.Exception is TimeoutException)
.OnException((r) => this.HandleException(r.Exception));
}