public void putAll(BitSet array) {
      assert data.length == array.data.length :
          "BitArrays must be of equal length (" + data.length + "!= " + array.data.length + ")";
      for (int i = 0; i < data.length; i++) {
        data[i] |= array.data[i];
      }
    }
Combines the two BitArrays using bitwise OR.
storage-api/src/java/org/apache/hive/common/util/BloomFilter.java