Package com.here.platform.data.client.flink.impl

Class StreamLayerRowRichSourceReader

java.lang.Object

com.here.platform.data.client.flink.impl.StreamLayerRowRichSourceReader

All Implemented Interfaces:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

public class StreamLayerRowRichSourceReader
extends Object
implements org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>, org.apache.flink.api.common.state.CheckpointListener

SourceReader for stream layer rows with checkpoint-aware offset commit.

Constructor Summary

Constructors

Constructor	Description
StreamLayerRowRichSourceReader(HRN hrn, Settings settings, String layer, PartitionConverter partitionConverter, ConsumerSettings consumerSettings, ReadEngineFactory readEngineFactory, QueryApiFactory queryApiFactory, org.apache.flink.api.connector.source.SourceReaderContext readerContext)

Method Summary

Modifier and Type	Method	Description
void	addSplits(List<StreamLayerRowSplit> splits)
void	close()
CompletableFuture<Void>	isAvailable()
void	notifyCheckpointComplete(long checkpointId)
void	notifyNoMoreSplits()
org.apache.flink.core.io.InputStatus	pollNext(org.apache.flink.api.connector.source.ReaderOutput<org.apache.flink.types.Row> output)
List<StreamLayerRowSplit>	snapshotState(long checkpointId)
void	start()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted

Methods inherited from interface org.apache.flink.api.connector.source.SourceReader

handleSourceEvents, pauseOrResumeSplits

Constructor Details

StreamLayerRowRichSourceReader

public StreamLayerRowRichSourceReader(HRN hrn,
 Settings settings,
 String layer,
 PartitionConverter partitionConverter,
 ConsumerSettings consumerSettings,
 ReadEngineFactory readEngineFactory,
 QueryApiFactory queryApiFactory,
 org.apache.flink.api.connector.source.SourceReaderContext readerContext)

Method Details

addSplits

public void addSplits(List<StreamLayerRowSplit> splits)

Specified by:

addSplits in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

close

public void close()

Specified by:

close in interface AutoCloseable

isAvailable

public CompletableFuture<Void> isAvailable()

Specified by:

isAvailable in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

notifyCheckpointComplete

public void notifyCheckpointComplete(long checkpointId)

Specified by:

notifyCheckpointComplete in interface org.apache.flink.api.common.state.CheckpointListener

Specified by:

notifyCheckpointComplete in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

notifyNoMoreSplits

public void notifyNoMoreSplits()

Specified by:

notifyNoMoreSplits in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

pollNext

public org.apache.flink.core.io.InputStatus pollNext(org.apache.flink.api.connector.source.ReaderOutput<org.apache.flink.types.Row> output)

Specified by:

pollNext in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

snapshotState

public List<StreamLayerRowSplit> snapshotState(long checkpointId)

Specified by:

snapshotState in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>

start

public void start()

Specified by:

start in interface org.apache.flink.api.connector.source.SourceReader<org.apache.flink.types.Row,StreamLayerRowSplit>