public Task TransferArrived(decimal amount)
{
var evt = new TransferArrivedEvent
{
Amount = amount,
Balance = this.Snapshot.Data.Balance + amount,
};
return(this.RaiseEvent(evt));
}
public async Task EventHandle(TransferArrivedEvent evt, EventMeta eventBase)
{
using (var db = this.ServiceProvider.GetService <TransferDbContext>())
{
var entity = await db.Accounts.FirstOrDefaultAsync(x => x.Id == this.ActorId);
this.accountSnapshotHandler.EntityHandle(entity, evt);
await db.SaveChangesAsync();
}
}
public Task TransferArrived(decimal amount, EventUID uid)
{
return(ConcurrentRaiseEvent(async(snapshot, func) =>
{
var evt = new TransferArrivedEvent
{
Amount = amount,
Balance = Snapshot.State.Balance + amount
};
await func(evt, null);
}));
}
public Task TransferArrived(decimal amount, long transactionId)
{
return(ConcurrentTxRaiseEvent(transactionId, async(snapshot, func) =>
{
var evt = new TransferArrivedEvent
{
Amount = amount,
Balance = Snapshot.State.Balance + amount
};
await func(evt, null);
}));
}
public void EventHandle(AccountState state, TransferArrivedEvent evt)
{
state.Balance = evt.Balance;
}
public Task EventHandle(TransferArrivedEvent evt, EventMeta eventBase)
{
// Update database here
return(Task.CompletedTask);
}
public Task EventHandle(TransferArrivedEvent evt, EventBase eventBase)
{
//此处更新db
return(Task.CompletedTask);
}
public void EntityHandle(Account entity, TransferArrivedEvent evt)
{
entity.Balance = evt.Balance;
}
public void EventHandle(AccountSnapshot state, TransferArrivedEvent evt)
{
EntityHandle(state, evt);
}
