org.apache.nifi.processors.kafka.pubsub

Class Partitioners.RoundRobinPartitioner

java.lang.Object

org.apache.nifi.processors.kafka.pubsub.Partitioners.RoundRobinPartitioner

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.kafka.clients.producer.Partitioner, org.apache.kafka.common.Configurable

Enclosing class:

Partitioners

public static class Partitioners.RoundRobinPartitioner
extends Object
implements org.apache.kafka.clients.producer.Partitioner

Partitioner that implements 'round-robin' mechanism which evenly distributes load between all available partitions.

Field Summary

Fields

Modifier and Type	Field and Description
private int	index

Constructor Summary

Constructors

Constructor and Description
RoundRobinPartitioner()

Method Summary

Modifier and Type	Method and Description
void	close()
void	configure(Map<String,?> configs)
private int	next(int numberOfPartitions)
int	partition(String topic, Object key, byte[] keyBytes, Object value, byte[] valueBytes, org.apache.kafka.common.Cluster cluster)

Methods inherited from class java.lang.Object

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

Field Detail

index

private volatile int index

Constructor Detail

RoundRobinPartitioner

public RoundRobinPartitioner()

Method Detail

configure

public void configure(Map<String,?> configs)

Specified by:

configure in interface org.apache.kafka.common.Configurable

partition

public int partition(String topic,
                     Object key,
                     byte[] keyBytes,
                     Object value,
                     byte[] valueBytes,
                     org.apache.kafka.common.Cluster cluster)

Specified by:

partition in interface org.apache.kafka.clients.producer.Partitioner

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.kafka.clients.producer.Partitioner

next

private int next(int numberOfPartitions)