Package org.jgroups.blocks

Class ReplCache.ConsistentHashFunction<K>

java.lang.Object

org.jgroups.blocks.ReplCache.ConsistentHashFunction<K>

All Implemented Interfaces:

ReplCache.HashFunction<K>

Enclosing class:

ReplCache<K,V>

public static class ReplCache.ConsistentHashFunction<K>
extends Object
implements ReplCache.HashFunction<K>

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	FACTOR
private static final int	HASH_SPACE
private final SortedMap<Short,Address>	nodes

Constructor Summary

Constructors

Constructor	Description
ConsistentHashFunction()

Method Summary

Modifier and Type	Method	Description
List<Address>	hash(K key, short replication_count)	Function that, given a key and a replication count, returns replication_count number of different addresses of nodes.
void	installNodes(List<Address> new_nodes)	When the topology changes, this method will be called.

Methods inherited from class java.lang.Object

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

Field Details

nodes

private final SortedMap<Short,Address> nodes

HASH_SPACE

private static final int HASH_SPACE

See Also:

• Constant Field Values

FACTOR

private static final int FACTOR

See Also:

• Constant Field Values

Constructor Details

ConsistentHashFunction

public ConsistentHashFunction()

Method Details

hash

public List<Address> hash(K key,
 short replication_count)

Description copied from interface: ReplCache.HashFunction

Function that, given a key and a replication count, returns replication_count number of different addresses of nodes.

Specified by:

hash in interface ReplCache.HashFunction<K>

Parameters:

key -

replication_count -

Returns:

installNodes

public void installNodes(List<Address> new_nodes)

Description copied from interface: ReplCache.HashFunction

When the topology changes, this method will be called. Implementations will typically cache the node list

Specified by:

installNodes in interface ReplCache.HashFunction<K>

Parameters:

new_nodes -