org.apache.pulsar.functions.worker.scheduler

Class RoundRobinScheduler

java.lang.Object

org.apache.pulsar.functions.worker.scheduler.RoundRobinScheduler

All Implemented Interfaces:

IScheduler

public class RoundRobinScheduler
extends Object
implements IScheduler

Constructor Summary

Constructors

Constructor and Description
RoundRobinScheduler()

Method Summary

Modifier and Type	Method and Description
List<org.apache.pulsar.functions.proto.Function.Assignment>	rebalance(List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers) Rebalances function instances scheduled to workers.
List<org.apache.pulsar.functions.proto.Function.Assignment>	schedule(List<org.apache.pulsar.functions.proto.Function.Instance> unassignedFunctionInstances, List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers) Scheduler schedules assignments to appropriate workers and adds into #resultAssignments.

Methods inherited from class java.lang.Object

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

Constructor Detail

RoundRobinScheduler

public RoundRobinScheduler()

Method Detail

schedule

public List<org.apache.pulsar.functions.proto.Function.Assignment> schedule(List<org.apache.pulsar.functions.proto.Function.Instance> unassignedFunctionInstances,
                                                                            List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments,
                                                                            Set<String> workers)

Description copied from interface: IScheduler

Scheduler schedules assignments to appropriate workers and adds into #resultAssignments.

Specified by:

schedule in interface IScheduler

Parameters:

unassignedFunctionInstances - all unassigned instances

currentAssignments - current assignments

workers - current list of active workers

Returns:

A list of new assignments

rebalance

public List<org.apache.pulsar.functions.proto.Function.Assignment> rebalance(List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments,
                                                                             Set<String> workers)

Description copied from interface: IScheduler

Rebalances function instances scheduled to workers.

Specified by:

rebalance in interface IScheduler

Parameters:

currentAssignments - current assignments

workers - current list of active workers

Returns:

A list of new assignments