Package org.infinispan.client.hotrod.impl.consistenthash

Class SegmentConsistentHash

java.lang.Object

org.infinispan.client.hotrod.impl.consistenthash.SegmentConsistentHash

All Implemented Interfaces:

ConsistentHash

public final class SegmentConsistentHash
extends Object
implements ConsistentHash

Author:

Galder Zamarreño

Constructor Summary

Constructors

Constructor	Description
SegmentConsistentHash()

Method Summary

Modifier and Type	Method	Description
int	getNormalizedHash(Object object)	Computes hash code of a given object, and then normalizes it to ensure a positive value is always returned.
int	getNumSegments()
Map<SocketAddress,Set<Integer>>	getPrimarySegmentsByServer()
int	getSegment(Object key)
SocketAddress[][]	getSegmentOwners()
Map<SocketAddress,Set<Integer>>	getSegmentsByServer()
SocketAddress	getServer(Object key)
void	init(SocketAddress[][] segmentOwners, int numSegments)
void	init(Map<SocketAddress,Set<Integer>> servers2Hash, int numKeyOwners, int hashSpace)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SegmentConsistentHash

public SegmentConsistentHash()

Method Details

init

public void init(Map<SocketAddress,Set<Integer>> servers2Hash,
 int numKeyOwners,
 int hashSpace)

Specified by:

init in interface ConsistentHash

init

public void init(SocketAddress[][] segmentOwners,
 int numSegments)

getServer

public SocketAddress getServer(Object key)

Specified by:

getServer in interface ConsistentHash

getSegment

public int getSegment(Object key)

getNormalizedHash

public int getNormalizedHash(Object object)

Description copied from interface: ConsistentHash

Computes hash code of a given object, and then normalizes it to ensure a positive value is always returned.

Specified by:

getNormalizedHash in interface ConsistentHash

Parameters:

object - to hash

Returns:

a non-null, non-negative normalized hash code for a given object

getSegmentsByServer

public Map<SocketAddress,Set<Integer>> getSegmentsByServer()

Specified by:

getSegmentsByServer in interface ConsistentHash

getPrimarySegmentsByServer

public Map<SocketAddress,Set<Integer>> getPrimarySegmentsByServer()

Specified by:

getPrimarySegmentsByServer in interface ConsistentHash

getNumSegments

public int getNumSegments()

getSegmentOwners

public SocketAddress[][] getSegmentOwners()