co.cask.cdap.metrics.process

Class KafkaConsumerMetaTable

java.lang.Object

co.cask.cdap.metrics.process.KafkaConsumerMetaTable

public final class KafkaConsumerMetaTable
extends Object

An abstraction on persistent storage of kafka consumer information.

Constructor Summary

Constructors

Constructor and Description
KafkaConsumerMetaTable(MetricsTable metaTable)

Method Summary

Methods

Modifier and Type	Method and Description
long	get(TopicPartition topicPartition) Gets the offset of a given topic partition.
void	save(Map<TopicPartition,Long> offsets)

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaConsumerMetaTable

public KafkaConsumerMetaTable(MetricsTable metaTable)

Method Detail

save

public void save(Map<TopicPartition,Long> offsets)
          throws Exception

Throws:

Exception

get

public long get(TopicPartition topicPartition)
         throws Exception

Gets the offset of a given topic partition.

Parameters:

topicPartition - The topic and partition to fetch offset.

Returns:

The offset or -1 if the offset is not found.

Throws:

Exception - If there is an error when fetching.