private static IObGroup ObGroup_Create(ObProperty[] obPropertys)
{
#if DEBUG
if (obPropertys.Length == 0)
{
throw new Exception("至少要有一个ObProperty参数");
}
#endif
IObGroup obGroup = null;
foreach (var obProperty in obPropertys)
{
if (obGroup == null)
{
obGroup = ObGroup_Create(obProperty);
}
else
{
obGroup.AddGroupBy(obProperty);
}
}
return(obGroup);
}
private static IObGroup <TSource> ObGroup_Create <TSource>(TSource source, ObProperty[] obPropertys)
where TSource : ObTermBase
{
#if DEBUG
if (obPropertys.Length == 0)
{
throw new Exception("至少要有一个ObProperty参数");
}
#endif
IObGroup <TSource> obGroup = null;
foreach (var obProperty in obPropertys)
{
if (obGroup == null)
{
obGroup = ObGroup_Create(source, obProperty);
}
else
{
obGroup.AddGroupBy(obProperty);
}
}
return(obGroup);
}