Examples of LongOpenHashSet


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

      return _delDocs;
    }
   
    public void clearDeletes()
    {
      _delDocs = new LongOpenHashSet();
    }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    }
  }

  @Override
  public void initialize(int capacity) {
    neighbors = new LongOpenHashSet(capacity);
  }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    neighbors = new LongOpenHashSet(capacity);
  }

  @Override
  public void initialize() {
    neighbors = new LongOpenHashSet();
  }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

        LongCollection qset = items;
        if (vector.size() < qset.size()) {
            qset = vector.keySet();
        }
        final LongSet candidates = new LongOpenHashSet();
        for (LongIterator iter = qset.iterator(); iter.hasNext();) {
            final long item = iter.nextLong();
            LongSet users = snapshot.getItemUsers(item);
            if (users != null) {
                candidates.addAll(users);
            }
        }
        candidates.remove(uid);
        logger.debug("Found {} candidate neighbors for user {}", candidates.size(), uid);
        return new Iterable<Neighbor>() {
            @Override
            public Iterator<Neighbor> iterator() {
                return new NeighborIterator(uid, vector, candidates);
            }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

     * @param uvec The user's normalized preference vector.
     * @param itemSet The set of target items.
     * @return The set of IDs of candidate neighbors.
     */
    private LongSet findCandidateNeighbors(long user, SparseVector uvec, LongCollection itemSet) {
        LongSet users = new LongOpenHashSet(100);
        LongSet userItems = uvec.keySet();

        LongIterator items;
        if (userItems.size() < itemSet.size()) {
            items = userItems.iterator();
        } else {
            items = itemSet.iterator();
        }
        while (items.hasNext()) {
            LongSet iusers = itemDAO.getUsersForItem(items.nextLong());
            if (iusers != null) {
                users.addAll(iusers);
            }
        }
        users.remove(user);

        return users;
    }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    }

    protected LongSet getIdSet(PreparedStatement s) throws SQLException {
        ResultSet results = s.executeQuery();
        try {
            LongSet ids = new LongOpenHashSet();
            while (results.next()) {
                ids.add(results.getLong(1));
            }
            return ids;
        } finally {
            results.close();
        }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    public LongSet finishSet() {
        if (scores == null) {
            return LongSets.EMPTY_SET;
        }

        LongSet set = new LongOpenHashSet(scores.size());
        for (ScoredId id: finish()) {
            set.add(id.getId());
        }
        return set;
    }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    }

    private class ItemScanner implements Supplier<LongSet> {
        @Override
        public LongSet get() {
            LongSet items = new LongOpenHashSet();
            Cursor<Event> events = eventDAO.streamEvents();
            try {
                for (Event e: events) {
                    items.add(e.getItemId());
                }
            } finally {
                events.close();
            }
            return items;
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    @Override
    public LongSet finishSet() {
        assert size == heap.size();

        LongSet longs = new LongOpenHashSet(size);
        while (!heap.isEmpty()) {
            longs.add(items.get(heap.dequeue()));
        }
        clear();

        return longs;
    }
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Examples of it.unimi.dsi.fastutil.longs.LongOpenHashSet

    }

    private class UserScanner implements Supplier<LongSet> {
        @Override
        public LongSet get() {
            LongSet us = new LongOpenHashSet();
            Cursor<Event> events = eventDAO.streamEvents();
            try {
                for (Event e: events) {
                    us.add(e.getUserId());
                }
            } finally {
                events.close();
            }
            return us;
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