org.elasticsearch.cluster.routing.operation.hash

Interface HashFunction

All Known Implementing Classes:

DjbHashFunction, SimpleHashFunction

public interface HashFunction

Simple hash function interface used for shard routing.

Method Summary

Modifier and Type	Method and Description
int	hash(String routing) Calculate a hash value for routing
int	hash(String type, String id) Calculate a hash value for routing and its type

Method Detail

hash

int hash(String routing)

Calculate a hash value for routing

Parameters:

routing - String to calculate the hash value from

Returns:

hash value of the given routing string

hash

int hash(String type,
         String id)

Calculate a hash value for routing and its type

Parameters:

type - types name

routing - String to calculate the hash value from

Returns:

hash value of the given type and routing string