static void Main(string[] args)
{
var source = new EventSource("EventSystemTest");
var ev1 = source.Event("Event1");
var ev2 = source.Event("Event2");
using var h1 = source.SubscribeTo(ev1, (@event, data) =>
{
Console.WriteLine($"(h1) {ev1} invoked with {@event} and {data}");
var ret = @event.Next(data);
Console.WriteLine($"(h1) Next returned {ret}");
}, (HandlerPriority)1);
using var h2 = source.SubscribeTo(ev2, (@event, data) =>
{
Console.WriteLine($"(h2) {ev2} invoked with {@event} and {data}");
//var ret = @event.Next(data);
@event.NextAndTryTransform((object?)data, a => a);
}, (HandlerPriority)1);
using var h3 = source.SubscribeTo(ev1, (@event, data) =>
{
Console.WriteLine($"(h3) {ev1} invoked with {@event} and {data}");
@event.Result = ev1;
}, (HandlerPriority)0);
using var h4 = source.SubscribeTo(ev2, (@event, data) =>
{
Console.WriteLine($"(h4) {ev2} invoked with {@event} and {data}");
@event.Result = ev2;
}, (HandlerPriority)0);
using var h5 = source.SubscribeTo(ev2, (@event, data) =>
{
Console.WriteLine($"(h5) {ev2} invoked with {@event} and {data}");
@event.Result = ev2;
}, (HandlerPriority)(-1));
using var h6 = source.SubscribeTo <EventName>(ev1, (@event, data) =>
{
if (data.HasValue)
{
Console.WriteLine($"(h6) Data found of type EventName: {data.Value}");
}
else
{
Console.WriteLine($"(h6) Data of unknown type: {@event.DynamicData}");
}
@event.NextAndTryTransform(data, _ => _);
}, (HandlerPriority)2);
using var h7 = source.SubscribeTo <EventName>(ev1, (@event, data) =>
{
if (data.HasValue)
{
Console.WriteLine($"(h7) Data found of type EventName: {data.Value}");
}
else
{
Console.WriteLine($"(h7) Data of unknown type: {@event.DynamicData}");
}
throw new Exception("h7");
//@event.NextAndTryTransform(data, _ => _);
}, (HandlerPriority)(-2));
using var h8 = source.SubscribeTo <EventName>(ev1, (@event, data) =>
{
if (data.HasValue)
{
Console.WriteLine($"(h8) Data found of type EventName: {data.Value}");
}
else
{
Console.WriteLine($"(h8) Data of unknown type: {@event.DynamicData}");
}
@event.NextAndTryTransform(data, _ => _);
foreach (var(origin, ldata) in @event.DataHistory)
{
Console.WriteLine($"({origin}) {ldata}");
}
throw new Exception("h8");
}, (HandlerPriority)(-4));