Package io.debezium.connector.mysql

Class MySqlConnectorTask

java.lang.Object

org.apache.kafka.connect.source.SourceTask

io.debezium.connector.common.BaseSourceTask<MySqlPartition,MySqlOffsetContext>

io.debezium.connector.mysql.MySqlConnectorTask

All Implemented Interfaces:

org.apache.kafka.connect.connector.Task

public class MySqlConnectorTask
extends BaseSourceTask<MySqlPartition,MySqlOffsetContext>

The main task executing streaming from MySQL. Responsible for lifecycle management of the streaming code.

Author:

Jiri Pechanec

Nested Class Summary

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

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 AbstractConnectorConnection	beanRegistryJdbcConnection
private AbstractConnectorConnection	connection
private static final String	CONTEXT_NAME
private ErrorHandler	errorHandler
private static final org.slf4j.Logger	LOGGER
private ChangeEventQueue<DataChangeEvent>	queue
private MySqlDatabaseSchema	schema
private MySqlTaskContext	taskContext

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

coordinator

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

context, TRANSACTION_BOUNDARY_CONFIG

Constructor Summary

Constructors

Constructor	Description
MySqlConnectorTask()

Method Summary

Modifier and Type	Method	Description
List<org.apache.kafka.connect.source.SourceRecord>	doPoll()
protected void	doStop()
protected Iterable<Field>	getAllConfigurationFields()
private MySqlFieldReader	getFieldReader(MySqlConnectorConfig configuration)
private MySqlValueConverters	getValueConverters(MySqlConnectorConfig configuration)
private void	resetOffset(MySqlConnectorConfig connectorConfig, MySqlOffsetContext previousOffset, SignalProcessor<MySqlPartition,MySqlOffsetContext> signalProcessor)
ChangeEventSourceCoordinator<MySqlPartition,MySqlOffsetContext>	start(Configuration configuration)
private void	validateBinlogConfiguration(io.debezium.spi.snapshot.Snapshotter snapshotter)
private boolean	validateSnapshotFeasibility(io.debezium.spi.snapshot.Snapshotter snapshotter, OffsetContext offset)
String	version()

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

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

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

commitRecord, 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

taskContext

private volatile MySqlTaskContext taskContext

queue

private volatile ChangeEventQueue<DataChangeEvent> queue

connection

private volatile AbstractConnectorConnection connection

beanRegistryJdbcConnection

private volatile AbstractConnectorConnection beanRegistryJdbcConnection

errorHandler

private volatile ErrorHandler errorHandler

schema

private volatile MySqlDatabaseSchema schema

Constructor Details

MySqlConnectorTask

public MySqlConnectorTask()

Method Details

version

public String version()

start

public ChangeEventSourceCoordinator<MySqlPartition,MySqlOffsetContext> start(Configuration configuration)

Specified by:

start in class BaseSourceTask<MySqlPartition,MySqlOffsetContext>

validateSnapshotFeasibility

private boolean validateSnapshotFeasibility(io.debezium.spi.snapshot.Snapshotter snapshotter,
 OffsetContext offset)

getValueConverters

private MySqlValueConverters getValueConverters(MySqlConnectorConfig configuration)

getFieldReader

private MySqlFieldReader getFieldReader(MySqlConnectorConfig configuration)

doPoll

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

Specified by:

doPoll in class BaseSourceTask<MySqlPartition,MySqlOffsetContext>

Throws:

InterruptedException

doStop

protected void doStop()

Specified by:

doStop in class BaseSourceTask<MySqlPartition,MySqlOffsetContext>

getAllConfigurationFields

protected Iterable<Field> getAllConfigurationFields()

Specified by:

getAllConfigurationFields in class BaseSourceTask<MySqlPartition,MySqlOffsetContext>

validateBinlogConfiguration

private void validateBinlogConfiguration(io.debezium.spi.snapshot.Snapshotter snapshotter)

resetOffset

private void resetOffset(MySqlConnectorConfig connectorConfig,
 MySqlOffsetContext previousOffset,
 SignalProcessor<MySqlPartition,MySqlOffsetContext> signalProcessor)