private static readonly object _locker = new object(); // 互斥锁
/// <summary>
/// 入库存操作
/// </summary>
/// <param name="db"></param>
/// <param name="item"></param>
private static void AddWareGoods(IRepository db, Sales_Contract_ItemEntity item)
{
lock (_locker)
{
POS_ProductEntity op = db.FindEntity <POS_ProductEntity>(t => t.Id.Equals(item.ProductId));
if (op != null)
{
op.Stock += item.Count;
db.Update(op);
}
else
{
throw new Exception(string.Format("系统中不存在：{0}，请先维护该产品。", item.ProductName));
}
}
}
/// <summary>
/// 出库存操作
/// </summary>
/// <param name="db"></param>
/// <param name="item"></param>
private static void MinusWareGoods(IRepository db, Sales_Contract_ItemEntity item)
{
lock (_locker)
{
POS_ProductEntity op = db.FindEntity <POS_ProductEntity>(t => t.Id.Equals(item.ProductId));
if (op != null)
{
op.Stock -= item.Count;
if (op.Stock >= 0)
{
db.Update(op);
}
else
{
throw new Exception(string.Format("仓库存货库存不足，存货信息:{0}, 存货数量：{1}， 出库数量：{2}", item.ProductName, op.Stock, item.Count));
}
}
else
{
throw new Exception(string.Format("仓库存货库存不足，存货信息:{0}, 存货数量：{1}， 出库数量：{2}", item.ProductName, op.Stock, item.Count));
}
}
}