Sure. You'll have to do away with the List abstraction in favor of the
SortedSet abstraction which in your case is probably ok for the
following reasons:
1.) List does not ensure the elements are unique (you probably don't
want to have duplicate results), while Set and by extension SortedSet do
2.) List implies an ordered set however does not do the sorting
automatically for you, while SortedSet handles this automatically.
There are two ways of telling TreeSet about how you want to compare your
elements:
1.) Construct your SortedSet implementation with a comparator:
SortedSet<ResultBean> results = new TreeSet<ResultBean>(new
ResultBeanComparator());
2.) Have your ResultBean implement Comparable<ResultBean>
In this case I find #2 a little better from a code maintenance
standpoint but functionally they are equivalent.
Cheers,
-Zach
anorman wrote:
Hmmmm.
Right now my search results are contained in an ArrayList object like so:
List searchResult = new ArrayList();
I am adding my "resultBean" objects (with it's data, i.e. title, author,
score, etc) into the searchResult (ArrayList).
Would this be possible with a SortedSet?
Thanks,
Albert
Zach Bailey wrote:
You could use a SortedSet, which automatically inserts an object into
its sorted position when calling add()?
Cheers,
-Zach
anorman wrote:
I have set up a search result made up of a resultBean object containing
the
information that I am fetching. Currently it is sorted by score
(relevance)
which is great and what I want. However, I have created a loop which
continues to add results from several indexes to the search result (e.g.
articles, books, chapters). This works fine, but each specific section
is
sorted by score so that the articles are listed first (lets say 200 of
them
return) then the books are listed and sorted based on relevance and so
on.
I need some way to again sort by score on my compiled search result.
Any thoughts?
Thanks,
Albert
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