io.debezium.connector.postgresql

Class PostgresConnectorTask

java.lang.Object

org.apache.kafka.connect.source.SourceTask

io.debezium.connector.common.BaseSourceTask

io.debezium.connector.postgresql.PostgresConnectorTask

All Implemented Interfaces:

org.apache.kafka.connect.connector.Task

public class PostgresConnectorTask
extends BaseSourceTask

Kafka connect source task which uses Postgres logical decoding over a streaming replication connection to process DB changes.

Author:

Horia Chiorean (hchiorea@redhat.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	PostgresConnectorTask.State

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CONTEXT_NAME
private ChangeEventSourceCoordinator	coordinator
private ErrorHandler	errorHandler
private PostgresConnection	jdbcConnection
private Map<String,?>	lastOffset
private static org.slf4j.Logger	LOGGER
private ChangeEventQueue<DataChangeEvent>	queue
private PostgresSchema	schema
private AtomicReference<PostgresConnectorTask.State>	state
private PostgresTaskContext	taskContext

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

context

Constructor Summary

Constructors

Constructor and Description
PostgresConnectorTask()

Method Summary

Modifier and Type	Method and Description
private void	cleanupResources()
void	commit()
ReplicationConnection	createReplicationConnection(PostgresTaskContext taskContext, boolean shouldExport, int maxRetries, Duration retryDelay)
protected Iterable<Field>	getAllConfigurationFields()
PostgresTaskContext	getTaskContext()
List<org.apache.kafka.connect.source.SourceRecord>	poll()
void	start(Configuration config)
void	stop()
String	version()

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

getPreviousOffset, start

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

commitRecord, 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

state

private final AtomicReference<PostgresConnectorTask.State> state

taskContext

private volatile PostgresTaskContext taskContext

queue

private volatile ChangeEventQueue<DataChangeEvent> queue

jdbcConnection

private volatile PostgresConnection jdbcConnection

coordinator

private volatile ChangeEventSourceCoordinator coordinator

errorHandler

private volatile ErrorHandler errorHandler

schema

private volatile PostgresSchema schema

lastOffset

private volatile Map<String,?> lastOffset

Constructor Detail

PostgresConnectorTask

public PostgresConnectorTask()

Method Detail

start

public void start(Configuration config)

Specified by:

start in class BaseSourceTask

createReplicationConnection

public ReplicationConnection createReplicationConnection(PostgresTaskContext taskContext,
                                                         boolean shouldExport,
                                                         int maxRetries,
                                                         Duration retryDelay)
                                                  throws org.apache.kafka.connect.errors.ConnectException

Throws:

org.apache.kafka.connect.errors.ConnectException

commit

public void commit()
            throws InterruptedException

Overrides:

commit in class org.apache.kafka.connect.source.SourceTask

Throws:

InterruptedException

poll

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

Specified by:

poll in class org.apache.kafka.connect.source.SourceTask

Throws:

InterruptedException

stop

public void stop()

Specified by:

stop in interface org.apache.kafka.connect.connector.Task

Specified by:

stop in class org.apache.kafka.connect.source.SourceTask

cleanupResources

private void cleanupResources()

version

public String version()

getAllConfigurationFields

protected Iterable<Field> getAllConfigurationFields()

Specified by:

getAllConfigurationFields in class BaseSourceTask

getTaskContext

public PostgresTaskContext getTaskContext()