Package it.unimi.dsi.fastutil.longs

Examples of it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap

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    /**
     * Construct a new empty indexer.  The first interned ID will have index 0.
     */
    public Indexer() {
        indexes = new Long2IntOpenHashMap();
        indexes.defaultReturnValue(-1);
        ids = new LongArrayList();
    }
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                final Preference p = r.getPreference();

                // get the item -> index map for this user
                Long2IntMap imap = uiIndexes.get(user);
                if (imap == null) {
                    imap = new Long2IntOpenHashMap();
                    imap.defaultReturnValue(-1);
                    uiIndexes.put(user, imap);
                }

                // have we seen the item?
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     *
     * @param dao The DAO of the source file
     * @return a map of users to partition numbers. Users not in a partition will return -1.
     */
    protected Long2IntMap splitUsers(UserDAO dao) {
        Long2IntMap userMap = new Long2IntOpenHashMap();
        userMap.defaultReturnValue(-1);

        switch (method) {
        case PARTITION_USERS:
            partitionUsers(userMap, dao.getUserIds());
            break;
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  public void init() {
    init(DEFAULT_INITIAL_CAPACITY);
  }

  public void init(int count) {
    uidToArrayIndex = new Long2IntOpenHashMap(count);
    indexSize = new AtomicInteger(0);
  }
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Related Classes of it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap

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  • org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshotBuilder
  • org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
  • org.grouplens.lenskit.util.Indexer
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