org.apache.beam.sdk.io.kafka

Class KafkaCheckpointMark

java.lang.Object

org.apache.beam.sdk.io.kafka.KafkaCheckpointMark

All Implemented Interfaces:

org.apache.beam.sdk.io.UnboundedSource.CheckpointMark

@DefaultCoder(value=org.apache.beam.sdk.extensions.avro.coders.AvroCoder.class)
public class KafkaCheckpointMark
extends java.lang.Object
implements org.apache.beam.sdk.io.UnboundedSource.CheckpointMark

Checkpoint for a KafkaUnboundedReader. Consists of Kafka topic name, partition id, and the latest offset consumed so far.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KafkaCheckpointMark.PartitionMark A tuple to hold topic, partition, and offset that comprise the checkpoint for a single partition.

Nested classes/interfaces inherited from interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark

org.apache.beam.sdk.io.UnboundedSource.CheckpointMark.NoopCheckpointMark

Field Summary

Fields inherited from interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark

NOOP_CHECKPOINT_MARK

Constructor Summary

Constructors

Constructor and Description
KafkaCheckpointMark(java.util.List<KafkaCheckpointMark.PartitionMark> partitions, java.util.Optional<org.apache.beam.sdk.io.kafka.KafkaUnboundedReader<?,?>> reader)

Method Summary

Modifier and Type	Method and Description
void	finalizeCheckpoint()
java.util.List<KafkaCheckpointMark.PartitionMark>	getPartitions()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaCheckpointMark

public KafkaCheckpointMark(java.util.List<KafkaCheckpointMark.PartitionMark> partitions,
                           java.util.Optional<org.apache.beam.sdk.io.kafka.KafkaUnboundedReader<?,?>> reader)

Method Detail

getPartitions

public java.util.List<KafkaCheckpointMark.PartitionMark> getPartitions()

finalizeCheckpoint

public void finalizeCheckpoint()

Specified by:

finalizeCheckpoint in interface org.apache.beam.sdk.io.UnboundedSource.CheckpointMark

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object