org.apache.flink.connector.kafka.source.reader

类 KafkaPartitionSplitReader

java.lang.Object

org.apache.flink.connector.kafka.source.reader.KafkaPartitionSplitReader

所有已实现的接口:

org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

@Internal
public class KafkaPartitionSplitReader
extends Object
implements org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

A SplitReader implementation that reads records from Kafka partitions.

构造器概要

构造器

构造器和说明
KafkaPartitionSplitReader(Properties props, org.apache.flink.api.connector.source.SourceReaderContext context, KafkaSourceReaderMetrics kafkaSourceReaderMetrics)

方法概要

限定符和类型	方法和说明
void	close()
org.apache.flink.connector.base.source.reader.RecordsWithSplitIds<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>>	fetch()
void	handleSplitsChanges(org.apache.flink.connector.base.source.reader.splitreader.SplitsChange<KafkaPartitionSplit> splitsChange)
void	notifyCheckpointComplete(Map<org.apache.kafka.common.TopicPartition,org.apache.kafka.clients.consumer.OffsetAndMetadata> offsetsToCommit, org.apache.kafka.clients.consumer.OffsetCommitCallback offsetCommitCallback)
void	pauseOrResumeSplits(Collection<KafkaPartitionSplit> splitsToPause, Collection<KafkaPartitionSplit> splitsToResume)
void	wakeUp()

从类继承的方法 java.lang.Object

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

构造器详细资料

KafkaPartitionSplitReader

public KafkaPartitionSplitReader(Properties props,
                                 org.apache.flink.api.connector.source.SourceReaderContext context,
                                 KafkaSourceReaderMetrics kafkaSourceReaderMetrics)

方法详细资料

fetch

public org.apache.flink.connector.base.source.reader.RecordsWithSplitIds<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>> fetch()
                                                                                                                                         throws IOException

指定者:

fetch 在接口中 org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

抛出:

IOException

handleSplitsChanges

public void handleSplitsChanges(org.apache.flink.connector.base.source.reader.splitreader.SplitsChange<KafkaPartitionSplit> splitsChange)

指定者:

handleSplitsChanges 在接口中 org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

wakeUp

public void wakeUp()

指定者:

wakeUp 在接口中 org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

close

public void close()
           throws Exception

指定者:

close 在接口中 org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

抛出:

Exception

pauseOrResumeSplits

public void pauseOrResumeSplits(Collection<KafkaPartitionSplit> splitsToPause,
                                Collection<KafkaPartitionSplit> splitsToResume)

指定者:

pauseOrResumeSplits 在接口中 org.apache.flink.connector.base.source.reader.splitreader.SplitReader<org.apache.kafka.clients.consumer.ConsumerRecord<byte[],byte[]>,KafkaPartitionSplit>

notifyCheckpointComplete

public void notifyCheckpointComplete(Map<org.apache.kafka.common.TopicPartition,org.apache.kafka.clients.consumer.OffsetAndMetadata> offsetsToCommit,
                                     org.apache.kafka.clients.consumer.OffsetCommitCallback offsetCommitCallback)