/// <summary>
/// Tries the enter traded.
/// </summary>
/// <returns>true</returns>
/// <c>false</c>
/// <param name="goods">Goods.</param>
public bool TryEnterTraded(GoodsData goods)
{
if (goods == null)
{
throw new ArgumentNullException("goods");
}
_goods = goods;
return Monitor.TryEnter(_goods, _timeOut);
}
/// <summary>
/// 商品排序规则
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public virtual int SortGoods(GoodsData x, GoodsData y)
{
int result = 0;
if (x == null && y == null)
{
return 0;
}
if (x != null && y == null)
{
return 1;
}
if (x == null)
{
return -1;
}
result = x.SeqNo.CompareTo(y.SeqNo);
if (result == 0)
{
x.Id.CompareTo(y.Id);
}
return result;
}
protected override object ProduceGoods(GoodsData goods, int goodsNum)
{
//创建物品对象
}
protected override bool HasTraded(BaseUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode)
{
//检查是否可交易
}
/// <summary>
/// Trades the goods.
/// </summary>
/// <returns><c>true</c>, if goods was traded, <c>false</c> otherwise.</returns>
/// <param name="user">User.</param>
/// <param name="goods">Goods.</param>
/// <param name="goodsNum">Goods number.</param>
/// <param name="errorCode">Error code.</param>
public bool TradeGoods(IUser user, GoodsData goods, int goodsNum, out TradeErrorCode errorCode)
{
bool result = false;
if (_tradeStrategy.TryEnterTraded(goods))
{
try
{
double payAmount;
if (HasTraded(user, goods, goodsNum, out payAmount, out errorCode))
{
var items = ProduceGoods(goods, goodsNum);
if (SendGoods(user, items) && PayAmount(user, goods.TradeType, payAmount))
{
TradeSuccess(user, goods, goodsNum, payAmount, items);
errorCode = TradeErrorCode.Sucess;
result = true;
}
else
{
errorCode = TradeErrorCode.Fail;
}
}
}
finally
{
_tradeStrategy.ExitTraded();
}
}
else
{
errorCode = TradeErrorCode.TradeTimeout;
}
return result;
}
/// <summary> /// 检查是否可交易 /// </summary> /// <param name="user"></param> /// <param name="goods"></param> /// <param name="goodsNum"></param> /// <param name="amount"></param> /// <param name="errorCode"></param> /// <returns></returns> protected abstract bool HasTraded(IUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode);
/// <summary> /// 生产物品 /// </summary> /// <param name="goods"></param> /// <param name="goodsNum"></param> /// <returns></returns> protected abstract object ProduceGoods(GoodsData goods, int goodsNum);
/// <summary>
/// 交易成功
/// </summary>
/// <param name="user"></param>
/// <param name="goods"></param>
/// <param name="goodsNum"></param>
/// <param name="payAmount"></param>
/// <param name="items"></param>
protected virtual void TradeSuccess(IUser user, GoodsData goods, int goodsNum, double payAmount, object items)
{
}
