Java Long to longToBucket(long key, int buckets)

Description

long To Bucket

License

Open Source License

Declaration

public static final int longToBucket(long key, int buckets) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static final int longToBucket(long key, int buckets) {
        key = (~key) + (key << 18); // key = (key << 18) - key - 1;
        key ^= (key >>> 31);/*from   ww  w.j  a  va 2s  . c o  m*/
        key *= 21; // key = (key + (key << 2)) + (key << 4);
        key ^= (key >>> 11);
        key += (key << 6);
        key ^= (key >>> 22);
        int result = ((int) key) % buckets;
        return result < 0 ? result + buckets : result;
    }
}

Related

1. longToBcd(long src, int len, int flag)
2. longToBigEndian(long value, byte[] in, int offset)
3. longToBinary(long num)
4. longtobinarystring(long wert, int bits)
5. longToBinaryStringUnsigned(long value)
6. LongToBuf4(long val, byte[] buf, int offset)
7. longToBuffer(long l, byte[] ioBuffer)
8. longToCharArray(long seat, int length)
9. longToCharBounds(long value)