public void OnPerforming(PerformingContext filterContext)
{
var resource = String.Format(
"{0}.{1}",
filterContext.Job.Type.FullName,
filterContext.Job.Method.Name);
var timeout = TimeSpan.FromSeconds(_timeoutInSeconds);
var distributedLock = filterContext.Connection.AcquireDistributedLock(resource, timeout);
filterContext.Items["DistributedLock"] = distributedLock;
}
private static void PerformJobWithFilters(
PerformContext context,
IJobPerformer performer,
IEnumerable <IServerFilter> filters)
{
var preContext = new PerformingContext(context);
Func <PerformedContext> continuation = () =>
{
performer.Perform(context.Activator, context.CancellationToken);
return(new PerformedContext(context, false, null));
};
var thunk = filters.Reverse().Aggregate(continuation,
(next, filter) => () => InvokePerformFilter(filter, preContext, next));
thunk();
}
private static void PerformJobWithFilters(
PerformContext context,
IJobPerformer performer,
IEnumerable<IServerFilter> filters)
{
var preContext = new PerformingContext(context);
Func<PerformedContext> continuation = () =>
{
performer.Perform(context.Activator, context.CancellationToken);
return new PerformedContext(context, false, null);
};
var thunk = filters.Reverse().Aggregate(continuation,
(next, filter) => () => InvokePerformFilter(filter, preContext, next));
thunk();
}
public void OnPerforming(PerformingContext filterContext)
{
var cultureName = filterContext.GetJobParameter<string>("CurrentCulture");
var uiCultureName = filterContext.GetJobParameter<string>("CurrentUICulture");
var thread = Thread.CurrentThread;
if (!String.IsNullOrEmpty(cultureName))
{
filterContext.Items["PreviousCulture"] = thread.CurrentCulture;
thread.CurrentCulture = CultureInfo.GetCultureInfo(cultureName);
}
if (!String.IsNullOrEmpty(uiCultureName))
{
filterContext.Items["PreviousUICulture"] = thread.CurrentUICulture;
thread.CurrentUICulture = CultureInfo.GetCultureInfo(uiCultureName);
}
}
public PreserveCultureAttributeFacts()
{
_connection = new Mock<IStorageConnection>();
var job = Job.FromExpression(() => Sample());
var state = new Mock<IState>();
var stateMachineFactory = new Mock<IStateMachineFactory>();
var createContext = new CreateContext(
_connection.Object, stateMachineFactory.Object, job, state.Object);
_creatingContext = new CreatingContext(createContext);
_createdContext = new CreatedContext(createContext, false, null);
var workerContext = new WorkerContextMock();
var performContext = new PerformContext(
workerContext.Object, _connection.Object, JobId, job, DateTime.UtcNow, new Mock<IJobCancellationToken>().Object);
_performingContext = new PerformingContext(performContext);
_performedContext = new PerformedContext(performContext, false, null);
}
private static PerformedContext InvokePerformFilter(
IServerFilter filter,
PerformingContext preContext,
Func <PerformedContext> continuation)
{
try
{
filter.OnPerforming(preContext);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
if (preContext.Canceled)
{
return(new PerformedContext(
preContext, true, null));
}
var wasError = false;
PerformedContext postContext;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new PerformedContext(
preContext, false, ex);
try
{
filter.OnPerformed(postContext);
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
try
{
filter.OnPerformed(postContext);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
}
return(postContext);
}
private static PerformedContext InvokePerformFilter(
IServerFilter filter,
PerformingContext preContext,
Func<PerformedContext> continuation)
{
try
{
filter.OnPerforming(preContext);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
if (preContext.Canceled)
{
return new PerformedContext(
preContext, true, null);
}
var wasError = false;
PerformedContext postContext;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new PerformedContext(
preContext, false, ex);
try
{
filter.OnPerformed(postContext);
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
try
{
filter.OnPerformed(postContext);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception filterException)
{
throw new JobPerformanceException(
"An exception occurred during execution of one of the filters",
filterException);
}
}
return postContext;
}
