@Override
    public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
        final int num = in.readInt();
        mapTable = new Entry[num];
        listTable = new Entry[num];
        threshold = (int) (num * LOAD_FACTOR);
        final int size = in.readInt();
        for (int i = 0; i < size; i++) {
            final K key = (K) in.readObject();
            final V value = (V) in.readObject();

    }

    @Test
    public void testCreateBulkLine() {
        // Test creating bulk line for indexing
        SuggestItem item = new SuggestItem(new String[] { "test text" }, new String[][] { { "reading1" }, { "reading2" } },
                new String[] { "field1", "field2" }, 10, // queryFreq
                5, // docFreq
                2.0f, // userBoost