KafkaInputValueGroupingComparator (venice API)

java.lang.Object
- com.linkedin.venice.hadoop.input.kafka.KafkaInputKeyComparator
- - com.linkedin.venice.hadoop.input.kafka.KafkaInputValueGroupingComparator

All Implemented Interfaces:

java.io.Serializable, java.util.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
  
  All Methods Instance Methods Concrete Methods
  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 Detail
- KafkaInputValueGroupingComparator
```
public KafkaInputValueGroupingComparator()
```

Method Detail

compare

protected int compare(KafkaInputMapperKey k1,
                      KafkaInputMapperKey k2)

Overrides:: compare in class KafkaInputKeyComparator