Thank you for answering my question. The answer was almost what I want.
2012/6/7 Jens Grivolla <[email protected]> > It looks like you don't actually want input order, but rather the order in > which preferences are expressed, i.e. chronological order. Some data models > allow you to have timestamps associated with preferences. > > HTH, > Jens > > > On 06/07/2012 11:01 AM, chanju Jeon wrote: > >> When input-data have [1,101,3 / 1,105,2 / 1,103,5 / 1,104,1 / 1,102,4], >> I want to get item-list which order-list is written like [101, 105, 103, >> 104, 102]. >> >> I can not get a result because getItemIDs() of DataModel return the >> FastIDSet. >> >> I am trying to consider a preference of [Item 105] when I evaluate a >> preference of [Item 103] >> >> 2012/6/7 Sean Owen<[email protected]> >> >> Define "previous item"? >>> Data points have no ordering in the framework. >>> It sounds like something you will have to track yourself. >>> >>> On Thu, Jun 7, 2012 at 8:27 AM, chanju Jeon<[email protected]> >>> wrote: >>> >>>> How can I get ItemIDs in order of input from DataModel? >>>> >>>> I want to know previous item when estimate preference for item. >>>> >>> >>> >> >> >> > > -- *Do what I love*
