protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
var orders = Order.GenerateRandomData(10);
using (var session = _documentStore.LightweightSession())
{
session.Store(orders);
await session.SaveChangesAsync();
// order.id gets assigned with new unique id
}
using (var session = _documentStore.LightweightSession())
{
var savedOrder = await session.LoadAsync <Order>(orders[0].Id);
System.Console.WriteLine($"{savedOrder.Id} {savedOrder.CustomerId} {savedOrder.Details.Count}");
foreach (var od in orders[0].Details)
{
System.Console.WriteLine($"{od}");
}
}
using (var session = _documentStore.QuerySession())
{
var orderCount = await session.QueryAsync(new GetCount());
System.Console.WriteLine($"#orders in db is {orderCount}");
}
// event store demo for order system
var orderStarted = new OrderStarted {
Id = Guid.NewGuid(), Name = "Order 1 (events demo)"
};
var addedDetails = new List <OrderDetail>();
addedDetails.Add(new OrderDetail {
PartNumber = "XX123", Number = 10
});
addedDetails.Add(new OrderDetail {
PartNumber = "YY231", Number = 20
});
addedDetails.Add(new OrderDetail {
PartNumber = "ZZ312", Number = 30
});
var addDetails = new OrderDetailsAdded {
OrderDetails = addedDetails, Id = orderStarted.Id
};
var removedDetails = new List <OrderDetail>();
removedDetails.Add(addedDetails.ElementAt(0));
var removeDetails = new OrderDetailsRemoved {
OrderDetails = removedDetails, Id = orderStarted.Id
};
using (var session = _documentStore.LightweightSession())
{
session.Events.StartStream(orderStarted.Id, orderStarted, addDetails, removeDetails);
session.SaveChanges();
}
var newDetails = new List <OrderDetail>();
newDetails.Add(new OrderDetail {
PartNumber = "AA111", Number = 99
});
var addNewDetails = new OrderDetailsAdded {
OrderDetails = newDetails, Id = orderStarted.Id
};
var submitOrder = new OrderSubmitted()
{
Id = orderStarted.Id, Name = orderStarted.Name
};
using (var session = _documentStore.LightweightSession())
{
session.Events.Append(orderStarted.Id, addNewDetails, submitOrder);
session.SaveChanges();
}
using (var session = _documentStore.LightweightSession())
{
var orderSummary = session.Events.AggregateStream <OrderSummary>(orderStarted.Id);
System.Console.WriteLine(JsonConvert.SerializeObject(orderSummary));
}
await Task.Delay(1000, stoppingToken);
}
public void Apply(OrderDetailsAdded added) => Details.AddRange(added.OrderDetails);
