Package org.apache.pulsar.io.batchdiscovery

Class CronTriggerer

java.lang.Object

org.apache.pulsar.io.batchdiscovery.CronTriggerer

All Implemented Interfaces:

org.apache.pulsar.io.core.BatchSourceTriggerer

public class CronTriggerer
extends Object
implements org.apache.pulsar.io.core.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	Description
static final String	CRON_KEY

Constructor Summary

Constructors

Constructor	Description
CronTriggerer()

Method Summary

Modifier and Type	Method	Description
void	init(Map<String,Object> config, org.apache.pulsar.io.core.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 Details

CRON_KEY

public static final String CRON_KEY

See Also:

• Constant Field Values

Constructor Details

CronTriggerer

public CronTriggerer()

Method Details

init

public void init(Map<String,Object> config,
 org.apache.pulsar.io.core.SourceContext sourceContext)

Specified by:

init in interface org.apache.pulsar.io.core.BatchSourceTriggerer

start

public void start(Consumer<String> trigger)

Specified by:

start in interface org.apache.pulsar.io.core.BatchSourceTriggerer

stop

public void stop()

Specified by:

stop in interface org.apache.pulsar.io.core.BatchSourceTriggerer