Examples of LongOpenHashSet

com.carrotsearch.hppc.LongOpenHashSet
l.dsi.unimi.it/">fastutil project.
it.unimi.dsi.fastutil.longs.LongOpenHashSet

Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    public void testItemItemRecommender4() {
        List<ScoredId> recs = recommender.recommend(5, -1, null, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L, 9L));


        LongOpenHashSet candidates = new LongOpenHashSet();
        candidates.add(6);
        candidates.add(7);
        candidates.add(8);
        candidates.add(9);
        recs = recommender.recommend(5, -1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L, 9L));


        candidates.remove(6);
        recs = recommender.recommend(5, -1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(7L, 9L));


        candidates.remove(7);
        recs = recommender.recommend(5, -1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        candidates.remove(9);
        recs = recommender.recommend(5, -1, candidates, null);
        assertThat(recs, hasSize(0));


        candidates.add(9);
        candidates.add(7);
        recs = recommender.recommend(5, 1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   anyOf(contains(9L), contains(7L)));


        LongOpenHashSet exclude = new LongOpenHashSet();
        exclude.add(7);
        recs = recommender.recommend(5, 2, candidates, exclude);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        recs = recommender.recommend(5, 0, candidates, null);
        assertThat(recs, hasSize(0));


        candidates.clear();
        candidates.add(7);
        candidates.add(9);
        recs = recommender.recommend(5, -1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(7L, 9L));


        candidates.add(6);
        exclude.clear();
        exclude.add(9);
        recs = recommender.recommend(5, -1, candidates, exclude);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L));


        exclude.add(7);
        recs = recommender.recommend(5, -1, candidates, exclude);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L));


        exclude.add(6);
        recs = recommender.recommend(5, -1, candidates, exclude);
        assertThat(recs, hasSize(0));
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

     */
    private Vectors() {}


    @SuppressWarnings({"rawtypes", "unchecked"})
    public static MutableSparseVector fromScoredIds(List<ScoredId> scores) {
        LongSet ids = new LongOpenHashSet();
        for (ScoredId sid: scores) {
            ids.add(sid.getId());
        }
        MutableSparseVector vec = MutableSparseVector.create(ids);
        for (ScoredId sid: scores) {
            long id = sid.getId();
            if (!vec.containsKey(id)) {

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

        List<Rating> ratings = getEventsForItem(item, Rating.class);
        if (ratings == null) {
            return null;
        }


        LongSet users = new LongOpenHashSet(ratings.size());
        for (Rating rating: ratings) {
            users.add(rating.getUserId());
        }
        return users;
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

        List<Event> events = getEventsForItem(item);
        if (events == null) {
            return null;
        }


        LongSet users = new LongOpenHashSet();
        for (Event evt: events) {
            users.add(evt.getUserId());
        }
        return users;
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

            this.matcher = matcher;
        }


        @Override
        public LongSet select(TestUser user) {
            LongSet items = new LongOpenHashSet();
            SparseVector vec = user.getTestRatings();
            for (VectorEntry e: vec) {
                if (matcher.matches(e.getValue())) {
                    items.add(e.getKey());
                }
            }
            return items;
        }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

            this.selectorTwo = selectorTwo;
        }


        @Override
        public LongSet select(TestUser user) {
            LongSet items = new LongOpenHashSet(selectorOne.select(user));
            items.addAll(selectorTwo.select(user));
            return items;
        }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    @Test
    public void testUserUserRecommender3() {
        ItemRecommender recommender = rec.getItemRecommender();
        assert recommender != null;


        LongOpenHashSet candidates = new LongOpenHashSet();
        candidates.add(6);
        candidates.add(7);
        candidates.add(8);
        candidates.add(9);


        List<ScoredId> recs = recommender.recommend(1, candidates);
        assertTrue(recs.isEmpty());


        candidates.clear();
        candidates.add(9);
        recs = recommender.recommend(2, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        candidates.clear();
        candidates.add(6);
        candidates.add(7);
        candidates.add(8);
        recs = recommender.recommend(2, candidates);
        assertTrue(recs.isEmpty());


        candidates.add(9);
        recs = recommender.recommend(3, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L));


        recs = recommender.recommend(4, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        recs = recommender.recommend(5, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(7L));


        candidates.remove(7);
        recs = recommender.recommend(5, candidates);
        assertTrue(recs.isEmpty());


        candidates.add(7);
        recs = recommender.recommend(6, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L));


        candidates.remove(9);
        recs = recommender.recommend(6, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L));


        candidates.remove(8);
        recs = recommender.recommend(6, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L));


        candidates.remove(7);
        recs = recommender.recommend(6, candidates);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L));


        candidates.remove(6);
        recs = recommender.recommend(6, candidates);
        assertTrue(recs.isEmpty());
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    @Test
    public void testUserUserRecommender4() {
        ItemRecommender recommender = rec.getItemRecommender();
        assert recommender != null;


        LongOpenHashSet candidates = new LongOpenHashSet();
        candidates.add(9);
        List<ScoredId> recs = recommender.recommend(2, -1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        recs = recommender.recommend(2, 1, candidates, null);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(9L));


        recs = recommender.recommend(2, 0, candidates, null);
        assertTrue(recs.isEmpty());


        LongOpenHashSet exclude = new LongOpenHashSet();
        exclude.add(9);
        recs = recommender.recommend(2, -1, candidates, exclude);
        assertTrue(recs.isEmpty());


        // FIXME Add tests for default exclude set
        recs = recommender.recommend(5, -1, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L, 7L, 6L, 8L));


        recs = recommender.recommend(5, 5, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L, 7L, 6L, 8L));


        recs = recommender.recommend(5, 4, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L, 7L, 6L, 8L));


        recs = recommender.recommend(5, 3, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L, 7L, 6L));


        recs = recommender.recommend(5, 2, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L, 7L));


        recs = recommender.recommend(5, 1, null, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(9L));


        recs = recommender.recommend(5, 0, null, LongSets.EMPTY_SET);
        assertTrue(recs.isEmpty());


        candidates.clear();
        candidates.add(6);
        candidates.add(7);
        recs = recommender.recommend(6, -1, candidates, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   containsInAnyOrder(6L, 7L));


        candidates.remove(6);
        recs = recommender.recommend(6, -1, candidates, LongSets.EMPTY_SET);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(7L));


        candidates.remove(7);
        recs = recommender.recommend(6, -1, candidates, LongSets.EMPTY_SET);
        assertTrue(recs.isEmpty());


        candidates.add(6);
        candidates.add(7);
        exclude.add(6);
        recs = recommender.recommend(6, -1, candidates, exclude);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(7L));


        exclude.add(7);
        recs = recommender.recommend(6, -1, candidates, exclude);
        assertTrue(recs.isEmpty());


        exclude.remove(6);
        recs = recommender.recommend(6, -1, candidates, exclude);
        assertThat(Lists.transform(recs, ScoredIds.idFunction()),
                   contains(6L));
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

        assertEquals(3, recs.size());
        assertEquals(6, recs.get(0).getId());
        assertEquals(7, recs.get(1).getId());
        assertEquals(9, recs.get(2).getId());


        LongOpenHashSet candidates = new LongOpenHashSet();
        candidates.add(6);
        candidates.add(7);
        candidates.add(8);
        candidates.add(9);
        recs = recommender.recommend(5, candidates);
        assertEquals(3, recs.size());
        assertEquals(6, recs.get(0).getId());
        assertEquals(7, recs.get(1).getId());
        assertEquals(9, recs.get(2).getId());


        candidates.remove(8);
        recs = recommender.recommend(5, candidates);
        assertEquals(3, recs.size());
        assertEquals(6, recs.get(0).getId());
        assertEquals(7, recs.get(1).getId());
        assertEquals(9, recs.get(2).getId());


        candidates.remove(7);
        recs = recommender.recommend(5, candidates);
        assertEquals(2, recs.size());
        assertEquals(6, recs.get(0).getId());
        assertEquals(9, recs.get(1).getId());


        candidates.remove(6);
        recs = recommender.recommend(5, candidates);
        assertEquals(1, recs.size());
        assertEquals(9, recs.get(0).getId());


        candidates.remove(9);
        recs = recommender.recommend(5, candidates);
        assertTrue(recs.isEmpty());


        candidates.add(8);
        recs = recommender.recommend(5, candidates);
        assertTrue(recs.isEmpty());
    }

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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

        assertEquals(6, recs.get(0).getId());
        assertEquals(7, recs.get(1).getId());
        assertEquals(9, recs.get(2).getId());
        assertEquals(8, recs.get(3).getId());


        LongOpenHashSet exclude = new LongOpenHashSet();
        exclude.add(9);
        recs = recommender.recommend(6, -1, null, exclude);
        assertEquals(3, recs.size());
        assertEquals(6, recs.get(0).getId());
        assertEquals(7, recs.get(1).getId());
        assertEquals(8, recs.get(2).getId());


        exclude.add(6);
        recs = recommender.recommend(6, -1, null, exclude);
        assertEquals(2, recs.size());
        assertEquals(7, recs.get(0).getId());
        assertEquals(8, recs.get(1).getId());


        exclude.add(8);
        recs = recommender.recommend(6, -1, null, exclude);
        assertEquals(1, recs.size());
        assertTrue(recs.contains(7));
    }

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