kafka.common

Class AliveBrokersSnapshot

java.lang.Object

kafka.common.AliveBrokersSnapshot

public class AliveBrokersSnapshot
extends Object

A snapshot of the Kafka brokers that are online, their latest epochs and information as to whether they are excluded for replica placements.

Field Summary

Fields

Modifier and Type	Field and Description
static AliveBrokersSnapshot	EMPTY_SNAPSHOT

Constructor Summary

Constructors

Constructor and Description
AliveBrokersSnapshot(Map<Integer,Long> liveBrokerIdsAndEpochs, Set<Integer> brokerReplicaExclusions)

Method Summary

Modifier and Type	Method and Description
Optional<Long>	epochFor(int brokerId) Returns the broker epoch for the broker with ID brokerId.
boolean	equals(Object o)
int	hashCode()
Set<Integer>	replicaExclusions() Returns the active broker replica placement exclusions in the cluster
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY_SNAPSHOT

public static final AliveBrokersSnapshot EMPTY_SNAPSHOT

Constructor Detail

AliveBrokersSnapshot

public AliveBrokersSnapshot(Map<Integer,Long> liveBrokerIdsAndEpochs,
                            Set<Integer> brokerReplicaExclusions)

Parameters:

liveBrokerIdsAndEpochs - - a map, consisting of live broker ids as the key and their latest broker epoch as the value

brokerReplicaExclusions - - a set of broker ids where each broker present is excluded for replica placement

Method Detail

replicaExclusions

public Set<Integer> replicaExclusions()

Returns the active broker replica placement exclusions in the cluster

epochFor

public Optional<Long> epochFor(int brokerId)

Returns the broker epoch for the broker with ID brokerId. Empty if no such broker or epoch exists

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object