org.scale7.cassandra.pelops.pool
Class LeastLoadedNodeSelectionStrategy

java.lang.Object
  org.scale7.cassandra.pelops.pool.LeastLoadedNodeSelectionStrategy

All Implemented Interfaces:

CommonsBackedPool.INodeSelectionStrategy

public class LeastLoadedNodeSelectionStrategy
extends Object
implements CommonsBackedPool.INodeSelectionStrategy

Selects a node based on the number of connections a node currently has in use. The node that has the least active connections will be chosen.

Nested Class Summary

class

LeastLoadedNodeSelectionStrategy.Candidate

Constructor Summary

LeastLoadedNodeSelectionStrategy()

Method Summary

org.scale7.cassandra.pelops.pool.PooledNode

select(CommonsBackedPool pool, Set<String> nodeAddresses, String notNodeHint) Called when a node need to be selected.

Methods inherited from class java.lang.Object

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

Constructor Detail

LeastLoadedNodeSelectionStrategy

public LeastLoadedNodeSelectionStrategy()

Method Detail

select

public org.scale7.cassandra.pelops.pool.PooledNode select(CommonsBackedPool pool,
                                                          Set<String> nodeAddresses,
                                                          String notNodeHint)

Description copied from interface: CommonsBackedPool.INodeSelectionStrategy

Called when a node need to be selected.

Specified by:

select in interface CommonsBackedPool.INodeSelectionStrategy

Parameters:

pool - the pool (just in case you need it)

nodeAddresses - the node addresses to select from

notNodeHint - a hint of the node address that the selection strategy should avoid (possible null)

Returns:

the selected node (null if none are available)