/// <summary>
/// 获取单个实体
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="cmd">选择语句</param>
/// <param name="table">数据库表格</param>
/// <param name="args">创建实体时的额外参数</param>
/// <exception cref="ArgumentNullException">选择语句或数据库表格不能为空</exception>
/// <returns>数据实体</returns>
/// <example>
/// <code lang="C#">
/// <![CDATA[
/// public class UserRepository : AbstractDatabaseTable<User>
/// {
/// //other necessary code
///
/// public User GetEntity(Int32 userID)
/// {
/// return this.Select()
/// .Where(c => c.Equal(UserIDColumn, userID))
/// .ToEntityWithArgs<User>(this, "argument");
/// }
/// }
/// ]]>
/// </code>
/// </example>
public static T ToEntityWithArgs <T>(this SelectCommand cmd, AbstractDatabaseTable <T> table, Object args) where T : class
{
if (cmd == null)
{
throw new ArgumentNullException("cmd");
}
if (table == null)
{
throw new ArgumentNullException("table");
}
cmd.Top(1);
return(table.InternalGetEntity(cmd, cmd.ToDataTable(), args));
}
