Package io.debezium.connector.spanner

Class SpannerConnectorTask

java.lang.Object

org.apache.kafka.connect.source.SourceTask

io.debezium.connector.common.BaseSourceTask<SpannerPartition,SpannerOffsetContext>

io.debezium.connector.spanner.SpannerBaseSourceTask

io.debezium.connector.spanner.SpannerConnectorTask

All Implemented Interfaces:

org.apache.kafka.connect.connector.Task

public class SpannerConnectorTask
extends SpannerBaseSourceTask

Spanner implementation for Debezium's CDC SourceTask

Nested Class Summary

Nested classes/interfaces inherited from class io.debezium.connector.common.BaseSourceTask

io.debezium.connector.common.BaseSourceTask.State

Nested classes/interfaces inherited from class org.apache.kafka.connect.source.SourceTask

org.apache.kafka.connect.source.SourceTask.TransactionBoundary

Field Summary

Fields

Modifier and Type	Field	Description
private KafkaAdminClientFactory	adminClientFactory
private boolean	beganPolling
private ChangeStream	changeStream
private static final String	CONTEXT_NAME
private SpannerEventDispatcher	dispatcher
private static final org.slf4j.Logger	LOGGER
private LowWatermarkHolder	lowWatermarkHolder
private io.debezium.connector.base.ChangeEventQueue<io.debezium.pipeline.DataChangeEvent>	queue
private KafkaSpannerSchema	schema
private SpannerMeter	spannerMeter
private SynchronizationTaskContext	synchronizationTaskContext
private String	taskUid

Fields inherited from class io.debezium.connector.spanner.SpannerBaseSourceTask

coordinator

Fields inherited from class org.apache.kafka.connect.source.SourceTask

context, TRANSACTION_BOUNDARY_CONFIG

Constructor Summary

Constructors

Constructor	Description
SpannerConnectorTask()

Method Summary

Modifier and Type	Method	Description
protected List<org.apache.kafka.connect.source.SourceRecord>	doPoll()
protected void	doStop()
void	finish()
(package private) DatabaseClientFactory	getDatabaseClientFactory(SpannerConnectorConfig connectorConfig)
String	getTaskUid()
protected void	onRecordSent(org.apache.kafka.connect.source.SourceRecord sourceRecord)
protected void	registerServiceProviders(io.debezium.service.spi.ServiceRegistry serviceRegistry)
void	restart()
protected SpannerChangeEventSourceCoordinator	start(io.debezium.config.Configuration configuration)

Methods inherited from class io.debezium.connector.spanner.SpannerBaseSourceTask

commit, commitRecord, getAllConfigurationFields, getInitialOffsets, version

Methods inherited from class io.debezium.connector.common.BaseSourceTask

commitRecord, getAvailableSignalChannels, getNotificationChannels, getPreviousOffsets, getTaskState, logStatistics, poll, resetErrorHandlerRetriesIfNeeded, start, stop, validateAndLoadSchemaHistory, withMaskedSensitiveOptions

Methods inherited from class org.apache.kafka.connect.source.SourceTask

initialize

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

CONTEXT_NAME

private static final String CONTEXT_NAME

See Also:

• Constant Field Values

queue

private volatile io.debezium.connector.base.ChangeEventQueue<io.debezium.pipeline.DataChangeEvent> queue

synchronizationTaskContext

private volatile SynchronizationTaskContext synchronizationTaskContext

taskUid

private volatile String taskUid

spannerMeter

private volatile SpannerMeter spannerMeter

lowWatermarkHolder

private volatile LowWatermarkHolder lowWatermarkHolder

adminClientFactory

private volatile KafkaAdminClientFactory adminClientFactory

changeStream

private volatile ChangeStream changeStream

dispatcher

private volatile SpannerEventDispatcher dispatcher

schema

private volatile KafkaSpannerSchema schema

beganPolling

private volatile boolean beganPolling

Constructor Details

SpannerConnectorTask

public SpannerConnectorTask()

Method Details

start

protected SpannerChangeEventSourceCoordinator start(io.debezium.config.Configuration configuration)

Specified by:

start in class io.debezium.connector.common.BaseSourceTask<SpannerPartition,SpannerOffsetContext>

getDatabaseClientFactory

DatabaseClientFactory getDatabaseClientFactory(SpannerConnectorConfig connectorConfig)

doPoll

protected List<org.apache.kafka.connect.source.SourceRecord> doPoll()
                                                             throws InterruptedException

Specified by:

doPoll in class io.debezium.connector.common.BaseSourceTask<SpannerPartition,SpannerOffsetContext>

Throws:

InterruptedException

onRecordSent

protected void onRecordSent(org.apache.kafka.connect.source.SourceRecord sourceRecord)

Specified by:

onRecordSent in class SpannerBaseSourceTask

doStop

protected void doStop()

Specified by:

doStop in class io.debezium.connector.common.BaseSourceTask<SpannerPartition,SpannerOffsetContext>

finish

public void finish()

restart

public void restart()

getTaskUid

public String getTaskUid()

registerServiceProviders

protected void registerServiceProviders(io.debezium.service.spi.ServiceRegistry serviceRegistry)

Overrides:

registerServiceProviders in class io.debezium.connector.common.BaseSourceTask<SpannerPartition,SpannerOffsetContext>