ConsumerRecords (clients 2.1.1.200-mapr-710 API)

java.lang.Object
- org.apache.kafka.clients.consumer.ConsumerRecords<K,V>

All Implemented Interfaces:

java.lang.Iterable<ConsumerRecord<K,V>>
```
public class ConsumerRecords<K,V>
extends java.lang.Object
implements java.lang.Iterable<ConsumerRecord<K,V>>
```
A container that holds the list ConsumerRecord per partition for a particular topic. There is one ConsumerRecord list for every topic partition returned by a Consumer.poll(java.time.Duration) operation.

Field Summary

Fields
Modifier and Type Field Description

static ConsumerRecords<java.lang.Object,java.lang.Object> EMPTY

Constructor Summary

Constructors
Constructor Description

ConsumerRecords(java.util.Map<TopicPartition,java.util.List<ConsumerRecord<K,V>>> records)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`count()`	The number of records for all topics
`static <K,V> ConsumerRecords<K,V>`	`empty()`
`boolean`	`isEmpty()`
`java.util.Iterator<ConsumerRecord<K,V>>`	`iterator()`
`java.util.Set<TopicPartition>`	`partitions()`	Get the partitions which have records contained in this record set.
`java.lang.Iterable<ConsumerRecord<K,V>>`	`records(java.lang.String topic)`	Get just the records for the given topic
`java.util.List<ConsumerRecord<K,V>>`	`records(TopicPartition partition)`	Get just the records for the given partition

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Field Detail

EMPTY

public static final ConsumerRecords<java.lang.Object,java.lang.Object> EMPTY

Constructor Detail

ConsumerRecords

public ConsumerRecords(java.util.Map<TopicPartition,java.util.List<ConsumerRecord<K,V>>> records)

Method Detail
- records
```
public java.util.List<ConsumerRecord<K,V>> records(TopicPartition partition)
```
  Get just the records for the given partition
  
  Parameters:
  
  partition - The partition to get records for
- records
```
public java.lang.Iterable<ConsumerRecord<K,V>> records(java.lang.String topic)
```
  Get just the records for the given topic
- partitions
```
public java.util.Set<TopicPartition> partitions()
```
  Get the partitions which have records contained in this record set.
  
  Returns:
  
  the set of partitions with data in this record set (may be empty if no data was returned)
- iterator
```
public java.util.Iterator<ConsumerRecord<K,V>> iterator()
```
  Specified by:
  
  iterator in interface java.lang.Iterable<K>
- count
```
public int count()
```
  The number of records for all topics
- isEmpty
```
public boolean isEmpty()
```
- empty
```
public static <K,V> ConsumerRecords<K,V> empty()
```