io.debezium.connector.mysql

Class MySqlConnectorTask

java.lang.Object

org.apache.kafka.connect.source.SourceTask

io.debezium.connector.common.BaseSourceTask

io.debezium.connector.mysql.MySqlConnectorTask

All Implemented Interfaces:

org.apache.kafka.connect.connector.Task

public class MySqlConnectorTask
extends BaseSourceTask

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

Field Summary

Fields

Modifier and Type	Field and Description
private MySqlConnection	connection
private static String	CONTEXT_NAME
private ErrorHandler	errorHandler
private static org.slf4j.Logger	LOGGER
private ChangeEventQueue<DataChangeEvent>	queue
private MySqlDatabaseSchema	schema
private MySqlTaskContext	taskContext

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

context

Constructor Summary

Constructors

Constructor and Description
MySqlConnectorTask()

Method Summary

Modifier and Type	Method and Description
List<org.apache.kafka.connect.source.SourceRecord>	doPoll()
protected void	doStop()
protected Iterable<Field>	getAllConfigurationFields()
private MySqlValueConverters	getValueConverters(MySqlConnectorConfig configuration)
protected boolean	isBinlogAvailable(MySqlConnectorConfig config, MySqlOffsetContext offset) Determine whether the binlog position as set on the SourceInfo is available in the server.
ChangeEventSourceCoordinator	start(Configuration config)
private boolean	validateAndLoadDatabaseHistory(MySqlConnectorConfig config, MySqlOffsetContext offset, MySqlDatabaseSchema schema)
private void	validateBinlogConfiguration(MySqlConnectorConfig config)
private boolean	validateSnapshotFeasibility(MySqlConnectorConfig config, MySqlOffsetContext offset)
String	version()

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

commit, commitRecord, getPreviousOffset, poll, start, stop

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 Detail

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 MySqlConnection connection

errorHandler

private volatile ErrorHandler errorHandler

schema

private volatile MySqlDatabaseSchema schema

Constructor Detail

MySqlConnectorTask

public MySqlConnectorTask()

Method Detail

version

public String version()

start

public ChangeEventSourceCoordinator start(Configuration config)

Specified by:

start in class BaseSourceTask

getValueConverters

private MySqlValueConverters getValueConverters(MySqlConnectorConfig configuration)

doPoll

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

Specified by:

doPoll in class BaseSourceTask

Throws:

InterruptedException

doStop

protected void doStop()

Specified by:

doStop in class BaseSourceTask

getAllConfigurationFields

protected Iterable<Field> getAllConfigurationFields()

Specified by:

getAllConfigurationFields in class BaseSourceTask

validateBinlogConfiguration

private void validateBinlogConfiguration(MySqlConnectorConfig config)

isBinlogAvailable

protected boolean isBinlogAvailable(MySqlConnectorConfig config,
                                    MySqlOffsetContext offset)

Determine whether the binlog position as set on the SourceInfo is available in the server.

Returns:

true if the server has the binlog coordinates, or false otherwise

validateAndLoadDatabaseHistory

private boolean validateAndLoadDatabaseHistory(MySqlConnectorConfig config,
                                               MySqlOffsetContext offset,
                                               MySqlDatabaseSchema schema)

validateSnapshotFeasibility

private boolean validateSnapshotFeasibility(MySqlConnectorConfig config,
                                            MySqlOffsetContext offset)