public Task <bool> InsertAsync(PlayerShopItem shopItem, ITransaction transaction = null)
{
var trans = transaction ?? _db.CreateTransaction();
var buff = new byte[18];
Buffer.BlockCopy(BitConverter.GetBytes(shopItem.Id), 0, buff, 0, 4);
Buffer.BlockCopy(BitConverter.GetBytes(shopItem.ItemId), 0, buff, 4, 2);
Buffer.BlockCopy(BitConverter.GetBytes(shopItem.Price), 0, buff, 6, 4);
Buffer.BlockCopy(BitConverter.GetBytes(shopItem.InsertTime), 0, buff, 10, 4);
Buffer.BlockCopy(BitConverter.GetBytes(shopItem.AccountId), 0, buff, 14, 4);
trans.AddCondition(Condition.HashNotExists(_key, shopItem.Id));
var task = trans.HashSetAsync(_key, shopItem.Id, buff)
.ContinueWith(t => Item2List(shopItem, t, true));
task.ContinueWith(e =>
Log.Error(e.Exception.InnerException.ToString()),
TaskContinuationOptions.OnlyOnFaulted);
if (transaction == null)
{
trans.ExecuteAsync();
}
return(task);
}
public Task <bool> RemoveAsync(PlayerShopItem shopItem, ITransaction transaction = null)
{
var trans = transaction ?? _db.CreateTransaction();
trans.AddCondition(Condition.HashExists(_key, shopItem.Id));
var task = trans.HashDeleteAsync(_key, shopItem.Id)
.ContinueWith(t => Item2List(shopItem, t, false));
task.ContinueWith(e =>
Log.Error(e.Exception.InnerException.ToString()),
TaskContinuationOptions.OnlyOnFaulted);
if (transaction == null)
{
trans.ExecuteAsync();
}
return(task);
}
private bool Item2List(PlayerShopItem shopItem, Task <bool> t, bool add)
{
var success = !t.IsCanceled && t.Result;
if (success)
{
using (TimedLock.Lock(ListLock))
{
if (add)
{
_entries.Add(shopItem);
}
else
{
_entries.Remove(shopItem);
}
}
}
return(success);
}