Package org.apache.pulsar.broker.loadbalance.impl

Class RoundRobinBrokerSelector

java.lang.Object

org.apache.pulsar.broker.loadbalance.impl.RoundRobinBrokerSelector

All Implemented Interfaces:

ModularLoadManagerStrategy

public class RoundRobinBrokerSelector
extends Object
implements ModularLoadManagerStrategy

Simple Round Robin Broker Selection Strategy.

Constructor Summary

Constructors

Constructor	Description
RoundRobinBrokerSelector()

Method Summary

Modifier and Type	Method	Description
Optional<String>	selectBroker(Set<String> candidates, org.apache.pulsar.policies.data.loadbalancer.BundleData bundleToAssign, LoadData loadData, ServiceConfiguration conf)	Find a suitable broker to assign the given bundle to.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.broker.loadbalance.ModularLoadManagerStrategy

onActiveBrokersChange

Constructor Details

RoundRobinBrokerSelector

public RoundRobinBrokerSelector()

Method Details

selectBroker

public Optional<String> selectBroker(Set<String> candidates,
 org.apache.pulsar.policies.data.loadbalancer.BundleData bundleToAssign,
 LoadData loadData,
 ServiceConfiguration conf)

Description copied from interface: ModularLoadManagerStrategy

Find a suitable broker to assign the given bundle to.

Specified by:

selectBroker in interface ModularLoadManagerStrategy

Parameters:

candidates - The candidates for which the bundle may be assigned.

bundleToAssign - The data for the bundle to assign.

loadData - The load data from the leader broker.

conf - The service configuration.

Returns:

The name of the selected broker as it appears on ZooKeeper.