public StateMachine()
{
Event(() => OrderMade, x => x.CorrelateById(c => c.Message.CorrelationId));
Event(() => BurgerMade, x => x.CorrelateById(c => c.Message.CorrelationId));
Event(() => DrinkMade, x => x.CorrelateById(c => c.Message.CorrelationId));
Event(() => FriesMade, x => x.CorrelateById(c => c.Message.CorrelationId));
InstanceState(x => x.CurrentState);
Initially(When(OrderMade)
.Then(c =>
{
Console.WriteLine($"Order {c.Data.CorrelationId} received");
c.Instance.Burger = c.Data.Burger;
c.Instance.Drink = c.Data.Drink;
c.Instance.Fries = c.Data.Fries;
})
.Then(async c =>
{
var command = new BurgerToMake
{
Cheese = c.Instance.Burger.Cheese,
CheeseQuantity = c.Instance.Burger.CheeseQuantity,
CorrelationId = c.Instance.CorrelationId,
MeatQuantity = c.Instance.Burger.MeatQuantity
};
await c.Publish(command);
}).TransitionTo(Burger));
During(Burger,
When(BurgerMade)
.Then(c =>
{
Console.WriteLine($"Burger {c.Data.BurgerId} from order {c.Data.CorrelationId} received");
c.Instance.Burger.Id = c.Data.BurgerId;
})
.Then(c =>
{
var command = new FriesToMake
{
Type = c.Instance.Fries.Type,
CorrelationId = c.Instance.CorrelationId
};
c.Publish(command);
})
.TransitionTo(Fries));
During(Fries,
When(FriesMade)
.Then(c =>
{
Console.WriteLine($"Fries {c.Data.FriesId} from order {c.Data.CorrelationId} received");
c.Instance.Fries.Id = c.Data.FriesId;
})
.Then(c =>
{
var command = new DrinkToMake
{
CorrelationId = c.Instance.CorrelationId,
Flavor = c.Instance.Drink.Flavor,
Size = c.Instance.Drink.Size,
Type = c.Instance.Drink.Type
};
c.Publish(command);
})
.TransitionTo(Drink));
During(Drink,
When(DrinkMade)
.Then(c =>
{
Console.WriteLine($"Drink {c.Data.DrinkId} from order {c.Data.CorrelationId} received");
c.Instance.Drink.Id = c.Data.DrinkId;
})
.Then(c =>
{
Console.WriteLine($"Order {c.Instance.CorrelationId} finalized");
}).TransitionTo(Delivery)
.Finalize());;
SetCompletedWhenFinalized();
}
public StateMachine()
{
Event(() => OrderMade, x =>
{
x.CorrelateById(c => c.Message.CorrelationId);
x.SetSagaFactory(c => new OrderState
{
Burger = c.Message.Burger,
Drink = c.Message.Drink,
Fries = c.Message.Fries,
ResponseAddress = c.ResponseAddress.ToString(),
CorrelationId = c.Message.CorrelationId
});
});
Event(() => BurgerMade, x => x.CorrelateById(c => c.Message.CorrelationId));
Event(() => DrinkMade, x => x.CorrelateById(c => c.Message.CorrelationId));
Event(() => FriesMade, x => x.CorrelateById(c => c.Message.CorrelationId));
InstanceState(x => x.CurrentState);
Initially(When(OrderMade)
.Then(c =>
{
Console.WriteLine($"Order {c.Data.CorrelationId} received");
})
.ThenAsync(async c =>
{
var command = new BurgerToMake
{
Cheese = c.Instance.Burger.Cheese,
CheeseQuantity = c.Instance.Burger.CheeseQuantity,
CorrelationId = c.Instance.CorrelationId,
MeatQuantity = c.Instance.Burger.MeatQuantity
};
await c.Publish(command);
}).TransitionTo(Burger));
During(Burger,
When(BurgerMade)
.Then(c =>
{
Console.WriteLine($"Burger {c.Data.BurgerId} from order {c.Data.CorrelationId} received");
c.Instance.Burger.Id = c.Data.BurgerId;
})
.Then(c =>
{
var command = new FriesToMake
{
Type = c.Instance.Fries.Type,
CorrelationId = c.Instance.CorrelationId
};
c.Publish(command);
})
.TransitionTo(Fries));
During(Fries,
When(FriesMade)
.Then(c =>
{
Console.WriteLine($"Fries {c.Data.FriesId} from order {c.Data.CorrelationId} received");
c.Instance.Fries.Id = c.Data.FriesId;
})
.Then(c =>
{
var command = new DrinkToMake
{
CorrelationId = c.Instance.CorrelationId,
Flavor = c.Instance.Drink.Flavor,
Size = c.Instance.Drink.Size,
Type = c.Instance.Drink.Type
};
c.Publish(command);
})
.TransitionTo(Drink));
During(Drink,
When(DrinkMade)
.Then(c =>
{
Console.WriteLine($"Drink {c.Data.DrinkId} from order {c.Data.CorrelationId} received");
c.Instance.Drink.Id = c.Data.DrinkId;
})
.Then(c =>
{
Console.WriteLine($"Order {c.Instance.CorrelationId} finalized");
}).TransitionTo(Delivery)
.ThenAsync(async c =>
{
var responseEndpoint = await c.GetSendEndpoint(new Uri(c.Instance.ResponseAddress));
await responseEndpoint.Send(new OrderDelivery()
{
CorrelationId = c.Instance.CorrelationId
});
})
.Finalize());;
SetCompletedWhenFinalized();
}