io.cdap.delta.api

Interface DeltaTarget

All Superinterfaces:

TableAssessorSupplier<StandardizedTableDetail>

public interface DeltaTarget
extends TableAssessorSupplier<StandardizedTableDetail>

A CDC target, responsible for writing data to a storage system.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PLUGIN_TYPE

Method Summary

Modifier and Type	Method and Description
void	configure(Configurer configurer) Configure the source.
EventConsumer	createConsumer(DeltaTargetContext context) Create an event consumer that applies change events to the target system.
default void	initialize(DeltaTargetContext context) Initialize the Delta Target stage.

Methods inherited from interface io.cdap.delta.api.assessment.TableAssessorSupplier

createTableAssessor, createTableAssessor

Field Detail

PLUGIN_TYPE

static final String PLUGIN_TYPE

See Also:

Constant Field Values

Method Detail

configure

void configure(Configurer configurer)

Configure the source. This is called when the application is deployed.

Parameters:

configurer - configurer used to set configuration settings

initialize

default void initialize(DeltaTargetContext context)
                 throws Exception

Initialize the Delta Target stage. This is called after the application is deployed, whenever the program is initialized.

Parameters:

context - DeltaTargetContext

Throws:

Exception - if there is any error during initialization

createConsumer

EventConsumer createConsumer(DeltaTargetContext context)
                      throws Exception

Create an event consumer that applies change events to the target system.

Parameters:

context - target context that provides access to application information and offset persistence

Returns:

an event consumer that applies change events to the target system

Throws:

Exception - if the consumer could not be created, which will result in the program failure