org.jwall.audit
Interface EventProcessorPipeline<E extends Event>

Type Parameters:

E -

All Known Implementing Classes:

AuditEventProcessorPipeline, LogMessageProcessorPipeline

public interface EventProcessorPipeline<E extends Event>

This interface defines an abstract event processor pipeline. Processors can subscribe to this pipeline to act upon an event.

Author:

Christian Bockermann <chris@jwall.org>

Method Summary

Double	getPriority(EventProcessor<E> proc)
void	process(E event)
void	register(Double priority, EventProcessor<E> proc) Register a new event processor in this pipeline.
void	unregister(EventProcessor<E> proc) Unregister the given processor from this pipeline.

Method Detail

process

void process(E event)
             throws EventProcessorException

Parameters:

event -

Throws:

EventProcessorException

register

void register(Double priority,
              EventProcessor<E> proc)

Register a new event processor in this pipeline. The processor may specify a priority, signaling at which position it wants to be inserted. Processing is done from low numbers to high numbers. Priorities smaller than 1 and larger than 10 are reserved to internal processors. Registering a non-internal processor with invalid priority will register that processor with the nearest valid priority value.

Parameters:

priority - The priority with which this processor is inserted into the pipeline.

proc - The new processor to be added to the pipeline.

unregister

void unregister(EventProcessor<E> proc)

Unregister the given processor from this pipeline.

Parameters:

proc - The processor to remove from the pipeline.

getPriority

Double getPriority(EventProcessor<E> proc)