Code to check if the Dimension exist for the item AX 2012

The following code is used to check if the Dimension exist for item.
while select inventTable where inventTable.DefaultDimension == 0
    {
       
         if(EcoResStorageDimensionGroupItem::findByItem(inventTable.DataAreaId, inventTable.ItemId).StorageDimensionGroup
            && EcoResTrackingDimensionGroupItem::findByItem(inventTable.DataAreaId, inventTable.ItemId).TrackingDimensionGroup)
        {
            continue; // exist
        }
        else
        {
             // not exist do some thing.
        }
}