private void readFromBytes(BytesRef bytes) {
    // Read pruned flag
    this.setIsPruned(bytes.bytes[bytes.offset++] == 1 ? true : false);

    // Read size fo the set
    int size = Bytes.readInt(bytes);

    // Read terms
    bytesUsed = Counter.newCounter();
    pool = new ByteBlockPool(new ByteBlockPool.DirectTrackingAllocator(bytesUsed));
    set = new BytesRefHash(pool);

    BytesRef reusable = new BytesRef();
    for (int i = 0; i < size; i++) {
      Bytes.readBytesRef(bytes, reusable);
      set.add(reusable);
    }
  }