Package com.hazelcast.client.util

Class RoundRobinLB

java.lang.Object

com.hazelcast.client.util.AbstractLoadBalancer

com.hazelcast.client.util.RoundRobinLB

All Implemented Interfaces:

LoadBalancer, InitialMembershipListener, MembershipListener, EventListener

public class RoundRobinLB
extends AbstractLoadBalancer

A LoadBalancer implementation that relies on using round robin to a next member to send a request to.

Round robin is done based on best effort basis, the order of members for concurrent calls to the next() is not guaranteed.

Constructor Summary

Constructors

Constructor	Description
RoundRobinLB()
RoundRobinLB(int seed)

Method Summary

Modifier and Type	Method	Description
boolean	canGetNextDataMember()	Returns whether this instance supports getting data members through a call to LoadBalancer.nextDataMember().
Member	next()	Returns the next member to route to.
Member	nextDataMember()	Returns the next data member to route to.

Methods inherited from class com.hazelcast.client.util.AbstractLoadBalancer

getDataMembers, getMembers, init, init, memberAdded, memberRemoved

Methods inherited from class java.lang.Object

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

Constructor Details

RoundRobinLB

public RoundRobinLB()

RoundRobinLB

public RoundRobinLB(int seed)

Method Details

next

public Member next()

Description copied from interface: LoadBalancer

Returns the next member to route to.

Returns:

Returns the next member or null if no member is available

nextDataMember

public Member nextDataMember()

Description copied from interface: LoadBalancer

Returns the next data member to route to.

Returns:

Returns the next data member or null if no data member is available

canGetNextDataMember

public boolean canGetNextDataMember()

Description copied from interface: LoadBalancer

Returns whether this instance supports getting data members through a call to LoadBalancer.nextDataMember().

This method is used by components that require communication with data members only, such as the SQL engine.

Returns:

true if this instance supports getting data members through a call to LoadBalancer.nextDataMember()

See Also:

LoadBalancer.nextDataMember()