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 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 given RequestMessage to.