Package com.linkedin.venice.hadoop.input.kafka

Class KafkaInputValueGroupingComparator

java.lang.Object

com.linkedin.venice.hadoop.input.kafka.KafkaInputKeyComparator

com.linkedin.venice.hadoop.input.kafka.KafkaInputValueGroupingComparator

All Implemented Interfaces:

Serializable, Comparator<org.apache.hadoop.io.BytesWritable>, org.apache.hadoop.io.RawComparator<org.apache.hadoop.io.BytesWritable>

public class KafkaInputValueGroupingComparator
extends KafkaInputKeyComparator

This class together with KafkaInputKeyComparator supports secondary sorting of KafkaInput Repush. This class is used to group the entries with same key by ignoring the offset part.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
KafkaInputValueGroupingComparator()

Method Summary

Modifier and Type	Method	Description
protected int	compare(KafkaInputMapperKey k1, KafkaInputMapperKey k2)

Methods inherited from class com.linkedin.venice.hadoop.input.kafka.KafkaInputKeyComparator

compare, compare

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

KafkaInputValueGroupingComparator

public KafkaInputValueGroupingComparator()

Method Details

compare

protected int compare(KafkaInputMapperKey k1,
 KafkaInputMapperKey k2)

Overrides:

compare in class KafkaInputKeyComparator