Merge "Sorting search results with TreeSet instead of Collection.sort"

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.TreeSet;

public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder>

        implements SearchResultsRankerCallback {

        int appSize = installedAppResults.size();

        final List<SearchResult> asyncRankingResults = new ArrayList<>(dbSize + appSize);

        List<SearchResult> databaseResultsSortedByScores = new ArrayList<>(databaseResults);

        Collections.sort(databaseResultsSortedByScores, new Comparator<SearchResult>() {

        TreeSet<SearchResult> dbResultsSortedByScores = new TreeSet<>(

                new Comparator<SearchResult>() {

                    @Override

                    public int compare(SearchResult o1, SearchResult o2) {

                        float score1 = getRankingScoreByStableId(o1.stableId);

                        }

                    }

                });

        asyncRankingResults.addAll(databaseResultsSortedByScores);

        dbResultsSortedByScores.addAll(databaseResults);

        asyncRankingResults.addAll(dbResultsSortedByScores);

        // App results are not ranked by async ranking and appended at the end of the list.

        asyncRankingResults.addAll(installedAppResults);

        return asyncRankingResults;