public static int computeHash(byte[] key,int offset,int length,int mask){
  return Math.abs(MurmurHash3.murmurhash3x8632(key,offset,length,666) & mask);
}

public static int computeHash ( byte [ ] key , int offset , int length , int mask ) { return Math . abs ( MurmurHash3 . murmurhash3x8632 ( key , offset , length , 666 ) & mask ) ; }
compute the hash value for a given key
