public DeferredHandlingSettings([NotNull] IEventHandlingSettings origin, DelayUntil delayUntil)
: base(origin.Type, origin.Priority)
{
deferredAction = ev =>
{
if (ev == null)
{
throw new ArgumentNullException("ev");
}
if (Type.IsInstanceOfType(ev))
{
var context = InternalEnvironment.DataContextSupervisor.CurrentContext;
if (context != null)
{
EventHandler<FinishedEventArgs> action = null;
action = (sender, e) =>
{
try
{
// ReSharper disable AccessToModifiedClosure
switch (delayUntil)
{
case DelayUntil.PreCompleted:
context.BeforeCompleted -= action;
break;
case DelayUntil.Completed:
context.AfterCompleted -= action;
break;
case DelayUntil.Finished:
context.Finished -= action;
break;
}
if (e.Completed)
{
// ReSharper restore AccessToModifiedClosure
origin.Action(ev);
}
}
finally
{
context = null;
action = null;
}
};
switch (delayUntil)
{
case DelayUntil.PreCompleted:
context.BeforeCompleted += action;
break;
case DelayUntil.Completed:
context.AfterCompleted += action;
break;
case DelayUntil.Finished:
context.Finished += action;
break;
}
}
else
{
Trace.TraceWarning("Taijutsu: Source of event is outside of unit of work, event is skipped.");
}
}
};
}
public BatchedHandlingSettings([NotNull] Type type, DelayUntil delayUntil, int priority)
: base(type, priority)
{
this.delayUntil = delayUntil;
Unique = true;
batchedAction = ev =>
{
if (ev == null)
{
throw new ArgumentNullException("ev");
}
if (Type.IsInstanceOfType(ev))
{
var context = InternalEnvironment.DataContextSupervisor.CurrentContext;
if (context != null)
{
var extension = InitializeExtension(context);
if (!extension.ContainsKey(this))
{
extension[this] = new List<object>();
EventHandler<FinishedEventArgs> action = null;
action = (sender, e) =>
{
try
{
// ReSharper disable AccessToModifiedClosure
switch (delayUntil)
{
case DelayUntil.PreCompleted:
context.BeforeCompleted -= action;
break;
case DelayUntil.Completed:
context.AfterCompleted -= action;
break;
case DelayUntil.Finished:
context.Finished -= action;
break;
}
var events = (List<object>)extension[this];
extension.Remove(this);
// ReSharper restore AccessToModifiedClosure
if (events.Count > 0 && e.Completed)
{
Events.Publish(ResolveConstructor()(events));
}
}
finally
{
context = null;
action = null;
extension = null;
}
};
switch (delayUntil)
{
case DelayUntil.PreCompleted:
context.BeforeCompleted += action;
break;
case DelayUntil.Completed:
context.AfterCompleted += action;
break;
case DelayUntil.Finished:
context.Finished += action;
break;
}
}
((List<object>)extension[this]).Add(ev);
}
else
{
Trace.TraceWarning("Taijutsu: Source of event is outside of unit of work, event is skipped.");
}
}
};
}
