org.apache.pulsar.io.batchdiscovery

Class CronTriggerer

java.lang.Object

org.apache.pulsar.io.batchdiscovery.CronTriggerer

All Implemented Interfaces:

BatchSourceTriggerer

public class CronTriggerer
extends Object
implements BatchSourceTriggerer

This is an implementation of BatchSourceTriggerer that triggers based on a cron expression. BatchSource developers using this should pass the json string of a map that contains "__CRON__" key with the appropriate cron expression. The triggerer will trigger based on this expression.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CRON_KEY

Constructor Summary

Constructors

Constructor and Description
CronTriggerer()

Method Summary

Modifier and Type	Method and Description
void	init(Map<String,Object> config, SourceContext sourceContext)
void	start(Consumer<String> trigger)
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

CRON_KEY

public static final String CRON_KEY

See Also:

Constant Field Values

Constructor Detail

CronTriggerer

public CronTriggerer()

Method Detail

init

public void init(Map<String,Object> config,
                 SourceContext sourceContext)

Specified by:

init in interface BatchSourceTriggerer

start

public void start(Consumer<String> trigger)

Specified by:

start in interface BatchSourceTriggerer

stop

public void stop()

Specified by:

stop in interface BatchSourceTriggerer