org.alfresco.bm.event.selector

Interface EventSelector

All Known Implementing Classes:

AbstractEventSelector, DataDependantEventSelector, RandomWeightedEventSelector

public interface EventSelector

Selects the next event from a set of configured event successors to the current event.

Since:

1.3

Author:

steveglover

Method Summary

Methods

Modifier and Type	Method and Description
String	getName() The event selector's name, may be null.
Event	nextEvent(Object input, Object response) Select next event, which may be "noop" indicating that the event processing should end.
int	size() The number of event successors registered.

Method Detail

getName

String getName()

The event selector's name, may be null.

Returns:

the event selector's name

nextEvent

Event nextEvent(Object input,
              Object response)
                throws Exception

Select next event, which may be "noop" indicating that the event processing should end. Check that the event is a valid event by looking it up in the registry (does it have a bean definition?).

Parameters:

input - the input into the previous event

response - the response from the previous event

Returns:

the next event, or null if there is no successor.

Throws:

Exception

size

int size()

The number of event successors registered.

Returns:

the number of event successors