org.wso2.siddhi.core.trigger

Class StartTrigger

java.lang.Object

org.wso2.siddhi.core.trigger.StartTrigger

All Implemented Interfaces:

Trigger, EternalReferencedHolder

public class StartTrigger
extends Object
implements Trigger

Implementation of Trigger which will trigger events when siddhi app in started.

Constructor Summary

Constructors

Constructor and Description
StartTrigger()

Method Summary

Modifier and Type	Method and Description
String	getId()
org.wso2.siddhi.query.api.definition.TriggerDefinition	getTriggerDefinition()
void	init(org.wso2.siddhi.query.api.definition.TriggerDefinition triggerDefinition, SiddhiAppContext siddhiAppContext, StreamJunction streamJunction)
void	start() This will be called only once and this can be used to acquire required resources for the processing element.
void	stop() This will be called only once and this can be used to release the acquired resources for processing.

Methods inherited from class java.lang.Object

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

Constructor Detail

StartTrigger

public StartTrigger()

Method Detail

init

public void init(org.wso2.siddhi.query.api.definition.TriggerDefinition triggerDefinition,
                 SiddhiAppContext siddhiAppContext,
                 StreamJunction streamJunction)

Specified by:

init in interface Trigger

getTriggerDefinition

public org.wso2.siddhi.query.api.definition.TriggerDefinition getTriggerDefinition()

Specified by:

getTriggerDefinition in interface Trigger

getId

public String getId()

Specified by:

getId in interface Trigger

start

public void start()

This will be called only once and this can be used to acquire required resources for the processing element. This will be called after initializing the system and before starting to process the events.

Specified by:

start in interface EternalReferencedHolder

stop

public void stop()

This will be called only once and this can be used to release the acquired resources for processing. This will be called before shutting down the system.

Specified by:

stop in interface EternalReferencedHolder