org.hawkular.alerts.api.services

Interface ExtensionsService

public interface ExtensionsService

An interface used to register engine extensions into the system. Engine extensions are listeners that can operate on Data or Events received before the engine process them. Extensions can implement use cases where transformation or filtering of incoming Data or Events might be necessary. Engine extensions are executed in a pipeline ordered by registration time.

Author:

Jay Shaughnessy, Lucas Ponce

Method Summary

Modifier and Type	Method and Description
void	addExtension(DataExtension listener) Register an extension that will process Data.
void	addExtension(EventExtension extension) Register an extension that will process Events.
Set<DataExtension>	getDataExtensions()
Set<EventExtension>	getEventExtensions()

Method Detail

addExtension

void addExtension(DataExtension listener)

Register an extension that will process Data.

Parameters:

listener - the data listener

addExtension

void addExtension(EventExtension extension)

Register an extension that will process Events.

Parameters:

extension - the events extension

getDataExtensions

Set<DataExtension> getDataExtensions()

Returns:

the set of data listeners registered

getEventExtensions

Set<EventExtension> getEventExtensions()

Returns:

the set of events listeners registered