org.apache.tinkerpop.gremlin.driver

Interface LoadBalancingStrategy

All Superinterfaces:

Host.Listener

All Known Implementing Classes:

LoadBalancingStrategy.RoundRobin

public interface LoadBalancingStrategy
extends Host.Listener

Provides a method for selecting the host from a Cluster.

Author:

Stephen Mallette (http://stephen.genoprime.com)

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	LoadBalancingStrategy.RoundRobin A simple round-robin strategy that simply selects the next host in the Cluster to send the RequestMessage to.

Method Summary

Modifier and Type	Method and Description
void	initialize(Cluster cluster, Collection<Host> hosts) Initialize the strategy with the Cluster instance and the expected host list.
Iterator<Host>	select(org.apache.tinkerpop.gremlin.driver.message.RequestMessage msg) Provide an ordered list of hosts to send the the given RequestMessage to.

Methods inherited from interface org.apache.tinkerpop.gremlin.driver.Host.Listener

onAvailable, onNew, onRemove, onUnavailable

Method Detail

initialize

void initialize(Cluster cluster,
                Collection<Host> hosts)

Initialize the strategy with the Cluster instance and the expected host list.

select

Iterator<Host> select(org.apache.tinkerpop.gremlin.driver.message.RequestMessage msg)

Provide an ordered list of hosts to send the the given RequestMessage to.