/// <summary>
/// 检测并执行<see cref="IRecyclable"/>接口的逻辑
/// </summary>
/// <typeparam name="TEntity">实体基类</typeparam>
/// <typeparam name="TKey"></typeparam>
/// <param name="entity">要检测的实体信息</param>
/// <param name="operation">回收站操作类型</param>
/// <returns></returns>
public static TEntity CheckIRecycle <TEntity, TKey>(this TEntity entity, RecycleOperation operation)
where TEntity : IEntity <TKey>
where TKey : IEquatable <TKey>
{
if (!(entity is IRecyclable))
{
return(entity);
}
IRecyclable entity1 = entity as IRecyclable;
switch (operation)
{
case RecycleOperation.LogicDelete:
entity1.IsDeleted = true;
break;
case RecycleOperation.Restore:
entity1.IsDeleted = false;
break;
case RecycleOperation.PhysicalDelete:
if (!entity1.IsDeleted)
{
throw new InvalidOperationException("数据不处于回收（IsDeleted==true）状态，不能永久删除。");
}
break;
}
return((TEntity)entity1);
}
/// <summary>
/// 检测并执行<see cref="IRecyclable"/>接口的逻辑
/// </summary>
/// <param name="entity">要检测的实体信息</param>
/// <param name="operation">回收站操作类型</param>
public static TEntity CheckIRecycle <TEntity, TKey>(this TEntity entity, RecycleOperation operation)
where TEntity : IEntity <TKey>
{
if (!(entity is IRecyclable))
{
return(entity);
}
IRecyclable entity1 = entity as IRecyclable;
switch (operation)
{
case RecycleOperation.LogicDelete:
entity1.IsDeleted = true;
break;
case RecycleOperation.Restore:
entity1.IsDeleted = false;
break;
case RecycleOperation.PhysicalDelete:
break;
}
return((TEntity)entity1);
}