org.apache.pulsar.functions.worker

Class SchedulerManager

java.lang.Object

org.apache.pulsar.functions.worker.SchedulerManager

All Implemented Interfaces:

AutoCloseable

public class SchedulerManager
extends Object
implements AutoCloseable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SchedulerManager.RebalanceInProgressException

Field Summary

Fields

Modifier and Type	Field and Description
static String	HEARTBEAT_NAMESPACE
static String	HEARTBEAT_TENANT

Constructor Summary

Constructors

Constructor and Description
SchedulerManager(WorkerConfig workerConfig, org.apache.pulsar.client.api.PulsarClient pulsarClient, PulsarAdmin admin, WorkerStatsManager workerStatsManager, ErrorNotifier errorNotifier)

Method Summary

Modifier and Type	Method and Description
org.apache.pulsar.client.api.Producer<byte[]>	acquireExclusiveWrite(Supplier<Boolean> isLeader) Acquires a exclusive producer.
void	close()
void	initialize(org.apache.pulsar.client.api.Producer<byte[]> exclusiveProducer)
Future<?>	rebalanceIfNotInprogress()
Future<?>	schedule()

Methods inherited from class java.lang.Object

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

Field Detail

HEARTBEAT_TENANT

public static final String HEARTBEAT_TENANT

See Also:

Constant Field Values

HEARTBEAT_NAMESPACE

public static final String HEARTBEAT_NAMESPACE

See Also:

Constant Field Values

Constructor Detail

SchedulerManager

public SchedulerManager(WorkerConfig workerConfig,
                        org.apache.pulsar.client.api.PulsarClient pulsarClient,
                        PulsarAdmin admin,
                        WorkerStatsManager workerStatsManager,
                        ErrorNotifier errorNotifier)

Method Detail

acquireExclusiveWrite

public org.apache.pulsar.client.api.Producer<byte[]> acquireExclusiveWrite(Supplier<Boolean> isLeader)
                                                                    throws WorkerUtils.NotLeaderAnymore

Acquires a exclusive producer. This method cannot return null. It can only return a valid exclusive producer or throw NotLeaderAnymore exception.

Parameters:

isLeader - if the worker is still the leader

Returns:

A valid exclusive producer

Throws:

WorkerUtils.NotLeaderAnymore - if the worker is no longer the leader.

initialize

public void initialize(org.apache.pulsar.client.api.Producer<byte[]> exclusiveProducer)

schedule

public Future<?> schedule()

rebalanceIfNotInprogress

public Future<?> rebalanceIfNotInprogress()

close

public void close()

Specified by:

close in interface AutoCloseable