io.debezium.connector.common

Class BaseSourceTask

java.lang.Object

org.apache.kafka.connect.source.SourceTask

io.debezium.connector.common.BaseSourceTask

All Implemented Interfaces:

org.apache.kafka.connect.connector.Task

public abstract class BaseSourceTask
extends org.apache.kafka.connect.source.SourceTask

Base class for Debezium's CDC SourceTask implementations. Provides functionality common to all connectors, such as validation of the configuration.

Author:

Gunnar Morling

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOGGER

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

context

Constructor Summary

Constructors

Constructor and Description
BaseSourceTask()

Method Summary

Modifier and Type	Method and Description
protected abstract Iterable<Field>	getAllConfigurationFields() Returns all configuration Field supported by this source task.
protected OffsetContext	getPreviousOffset(OffsetContext.Loader loader) Loads the connector's persistent offset (if present) via the given loader.
protected abstract void	start(Configuration config) Called once when starting this source task.
void	start(Map<String,String> props)

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

commit, commitRecord, initialize, poll, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kafka.connect.connector.Task

version

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

Constructor Detail

BaseSourceTask

public BaseSourceTask()

Method Detail

start

public final void start(Map<String,String> props)

Specified by:

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

Specified by:

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

start

protected abstract void start(Configuration config)

Called once when starting this source task.

Parameters:

config - the task configuration; implementations should wrap it in a dedicated implementation of CommonConnectorConfig and work with typed access to configuration properties that way

getAllConfigurationFields

protected abstract Iterable<Field> getAllConfigurationFields()

Returns all configuration Field supported by this source task.

getPreviousOffset

protected OffsetContext getPreviousOffset(OffsetContext.Loader loader)

Loads the connector's persistent offset (if present) via the given loader.