More information: http://www.cs.berkeley.edu/~mdw/proj/seda/

seda.sandStorm.lib.aDisk
Class AFileTPEventHandler

java.lang.Object
  |
  +--seda.sandStorm.lib.aDisk.AFileTPEventHandler
All Implemented Interfaces:
EventHandlerIF

class AFileTPEventHandler
extends java.lang.Object
implements EventHandlerIF

The event handler used by the AFileTPImpl stage.

Author:
Matt Welsh

Field Summary
protected  SinkIF eventQ
           
 
Constructor Summary
(package private) AFileTPEventHandler()
           
 
Method Summary
 void destroy()
          Called when an event handler is destroyed.
 void handleEvent(QueueElementIF qel)
          Handle the event corresponding to the given QueueElementIF.
 void handleEvents(QueueElementIF[] qelarr)
          Handle the events corresponding to the given QueueElementIF array.
 void init(ConfigDataIF config)
          Called when an event handler is initialized.
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

eventQ

protected SinkIF eventQ
Constructor Detail

AFileTPEventHandler

AFileTPEventHandler()
Method Detail

init

public void init(ConfigDataIF config)
Description copied from interface: EventHandlerIF
Called when an event handler is initialized. This method should perform any initialization operations as required by the application.
Specified by:
init in interface EventHandlerIF
Following copied from interface: seda.sandStorm.api.EventHandlerIF
Parameters:
config - The set of configuration parameters for the stage.
Throws:
java.lang.Exception - The EventHandler can indicate an error to the runtime during initialization by throwing an Exception.

destroy

public void destroy()
Description copied from interface: EventHandlerIF
Called when an event handler is destroyed. This method should perform any cleanup or shutdown operations as required by the application before the event handler is removed from the system.
Specified by:
destroy in interface EventHandlerIF
Following copied from interface: seda.sandStorm.api.EventHandlerIF
Throws:
java.lang.Exception - The EventHandler can indicate an error to the runtime during shutdown by throwing an Exception.

handleEvent

public void handleEvent(QueueElementIF qel)
Description copied from interface: EventHandlerIF
Handle the event corresponding to the given QueueElementIF. This method is invoked by the system when a single event is pending for the event handler.
Specified by:
handleEvent in interface EventHandlerIF
Following copied from interface: seda.sandStorm.api.EventHandlerIF
Throws:
EventHandlerException - The application may throw an exception to indicate an error condition during event processing.

handleEvents

public void handleEvents(QueueElementIF[] qelarr)
Description copied from interface: EventHandlerIF
Handle the events corresponding to the given QueueElementIF array. This method is invoked when multiple events are pending for the event handler. The application may reorder, filter, or drop these events if it wishes to do so.
Specified by:
handleEvents in interface EventHandlerIF
Following copied from interface: seda.sandStorm.api.EventHandlerIF
Throws:
EventHandlerException - The application may throw an exception to indicate an error condition during event processing.

More information: http://www.cs.berkeley.edu/~mdw/proj/seda/