private void setHashLoc(int hash1, int hash2) {
    for (int i = 0; i < this.hashCount; i++) {
      long hashLoc = Math.abs((hash1 + i * hash2) % (this.byteSize * 8));
      set(hashLoc);
    }

    ++this.keyCount;
  }
Creates another similar Bloom filter. Does not copy the actual bits, and sets the new filter's
key count to zero.
@return a Bloom filter with the same configuration as this
hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java