Package io.debezium.connector.spanner.db.stream

Class SpannerChangeStreamService

java.lang.Object

io.debezium.connector.spanner.db.stream.SpannerChangeStreamService

public class SpannerChangeStreamService
extends Object

This class queries the change stream, sends child partitions to SynchronizedPartitionManager, and updates the last commit timestamp for each partition.

Field Summary

Fields

Modifier and Type	Field	Description
private final ChangeStreamDao	changeStreamDao
private final ChangeStreamRecordMapper	changeStreamRecordMapper
private final Duration	heartbeatMillis
private static final org.slf4j.Logger	LOGGER
private final MetricsEventPublisher	metricsEventPublisher
private final String	taskUid

Constructor Summary

Constructors

Constructor	Description
SpannerChangeStreamService(String taskUid, ChangeStreamDao changeStreamDao, ChangeStreamRecordMapper changeStreamRecordMapper, Duration heartbeatMillis, MetricsEventPublisher metricsEventPublisher)

Method Summary

Modifier and Type	Method	Description
void	getEvents(Partition partition, ChangeStreamEventConsumer changeStreamEventConsumer, PartitionEventListener partitionEventListener)
private long	now()
private void	processEvents(Partition partition, List<ChangeStreamEvent> events, ChangeStreamEventConsumer changeStreamEventConsumer)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

changeStreamDao

private final ChangeStreamDao changeStreamDao

changeStreamRecordMapper

private final ChangeStreamRecordMapper changeStreamRecordMapper

heartbeatMillis

private final Duration heartbeatMillis

metricsEventPublisher

private final MetricsEventPublisher metricsEventPublisher

taskUid

private final String taskUid

Constructor Details

SpannerChangeStreamService

public SpannerChangeStreamService(String taskUid,
 ChangeStreamDao changeStreamDao,
 ChangeStreamRecordMapper changeStreamRecordMapper,
 Duration heartbeatMillis,
 MetricsEventPublisher metricsEventPublisher)

Method Details

getEvents

public void getEvents(Partition partition,
 ChangeStreamEventConsumer changeStreamEventConsumer,
 PartitionEventListener partitionEventListener)
               throws InterruptedException,
Exception

Throws:

InterruptedException

Exception

now

private long now()

processEvents

private void processEvents(Partition partition,
 List<ChangeStreamEvent> events,
 ChangeStreamEventConsumer changeStreamEventConsumer)
                    throws InterruptedException

Throws:

InterruptedException