org.hudsonci.utils.event
Class EventProcessorSupport<ContextType,HandlerType extends EventHandler>

java.lang.Object
  org.hudsonci.utils.event.EventProcessorSupport<ContextType,HandlerType>

All Implemented Interfaces:

EventProcessor<ContextType>

public class EventProcessorSupport<ContextType,HandlerType extends EventHandler>
extends Object
implements EventProcessor<ContextType>

Support for event processing.

Since:

2.1.0

Author:

Jason Dillon

Field Summary

protected org.slf4j.Logger

log

Constructor Summary

EventProcessorSupport(List<HandlerType> handlers, HandlerType defaultHandler)

Method Summary

HandlerType	getDefaultHandler() Get the default handler.
protected HandlerType	getEventHandler(Object event) Get the event handler for the given event.
List<HandlerType>	getHandlers() Get installed handlers.
void	init(ContextType context) Initialize event handlers and their event type mapping.
protected void	onFailure(Exception cause)
void	process(Object event) Process an event.
void	setDefaultHandler(HandlerType defaultHandler) Set the default handler.
void	setHandlers(List<HandlerType> handlers) Set installed handlers.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected final org.slf4j.Logger log

Constructor Detail

EventProcessorSupport

public EventProcessorSupport(List<HandlerType> handlers,
                             HandlerType defaultHandler)

Method Detail

getHandlers

public List<HandlerType> getHandlers()

Get installed handlers.

setHandlers

public void setHandlers(List<HandlerType> handlers)

Set installed handlers.

getDefaultHandler

public HandlerType getDefaultHandler()

Get the default handler.

setDefaultHandler

public void setDefaultHandler(HandlerType defaultHandler)

Set the default handler.

init

public void init(ContextType context)

Initialize event handlers and their event type mapping.

Specified by:

init in interface EventProcessor<ContextType>

process

public void process(Object event)
             throws Exception

Process an event. Selects the event handler and delegates.

Specified by:

process in interface EventProcessor<ContextType>

Throws:

Exception

onFailure

protected void onFailure(Exception cause)
                  throws Exception

Throws:

Exception

getEventHandler

protected HandlerType getEventHandler(Object event)

Get the event handler for the given event. If no handlers can accept use default.

Returns:

A handler, never null.