Package org.apache.avalon.excalibur.event

Interface Summary

EventHandler	An EventHandler takes care of processing specific events in an Event Based architecture.
Message	A Source implements the side of an event queue where QueueElements are dequeued operations only.
PreparedEnqueue	A PreparedEnqueue is an object returned from a prepareEnqueue method that allows you to either commit or abort the enqueue operation.
Queue	A Source implements the side of an event queue where QueueElements are dequeued operations only.
QueueElement	A QueueElement is a type of class that can be passed through the Queues.
Signal	A Signal is a specific type of QueueElement that denotes a Control code for the Queue system.
Sink	A Sink implements the side of an event queue where QueueElements are dequeued operations only.
Source	A Source implements the end of a finite-length event queue where QueueElements are enqueued.

Class Summary

AbstractQueue	The default queue implementation is a variable size queue.
DefaultQueue	The default queue implementation is a variable size queue.
FixedSizeQueue	The default queue implementation is a variabl size queue.

Exception Summary

SourceClosedException	A SourceException is thrown when an enqueue operation fails.
SourceException	A SourceException is thrown when an enqueue operation fails.
SourceFullException	A SourceException is thrown when an enqueue operation fails.