Example usage for org.apache.lucene.util StringHelper murmurhash3_x86_32

Introduction

In this page you can find the example usage for org.apache.lucene.util StringHelper murmurhash3_x86_32.

Prototype

@SuppressWarnings("fallthrough")
public static int murmurhash3_x86_32(byte[] data, int offset, int len, int seed) 

Source Link

Document

Returns the MurmurHash3_x86_32 hash.

Usage

From source file:org.elasticsearch.cluster.routing.Murmur3HashFunction.java

License:Apache License

@Override
public int hash(String routing) {
    final byte[] bytesToHash = new byte[routing.length() * 2];
    for (int i = 0; i < routing.length(); ++i) {
        final char c = routing.charAt(i);
        final byte b1 = (byte) c, b2 = (byte) (c >>> 8);
        assert ((b1 & 0xFF) | ((b2 & 0xFF) << 8)) == c; // no information loss
        bytesToHash[i * 2] = b1;/*w ww . j a  va2s.com*/
        bytesToHash[i * 2 + 1] = b2;
    }
    return StringHelper.murmurhash3_x86_32(bytesToHash, 0, bytesToHash.length, 0);
}

---

From source file:org.elasticsearch.xpack.security.authc.BytesKey.java

License:Open Source License

public BytesKey(byte[] bytes) {
    this.bytes = bytes;
    this.hashCode = StringHelper.murmurhash3_x86_32(bytes, 0, bytes.length, StringHelper.GOOD_FAST_HASH_SEED);
}

---