org.alfresco.bm.driver.event.selector

Class AbstractEventSelector

java.lang.Object

org.alfresco.bm.driver.event.selector.AbstractEventSelector

All Implemented Interfaces:

EventSelector

Direct Known Subclasses:

RandomWeightedEventSelector

public abstract class AbstractEventSelector
extends Object
implements EventSelector

Abstract base class for event selectors.

Since:

1.3

Author:

Steve Glover

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	logger Logging
protected String	name
protected EventProcessorRegistry	registry

Constructor Summary

Constructors

Constructor and Description
AbstractEventSelector(EventProcessorRegistry registry)
AbstractEventSelector(String name, EventProcessorRegistry registry)

Method Summary

Modifier and Type	Method and Description
String	getName() The event selector's name, may be null.
protected abstract EventSuccessor	next(Object input, Object response) Implemented by subclasses to select a successor event.
Event	nextEvent(Object input, Object response) Select next event, which may be "noop" indicating that the event processing should end.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.alfresco.bm.driver.event.selector.EventSelector

size

Field Detail

name

protected String name

registry

protected EventProcessorRegistry registry

logger

protected org.apache.commons.logging.Log logger

Logging

Constructor Detail

AbstractEventSelector

public AbstractEventSelector(String name,
                             EventProcessorRegistry registry)

AbstractEventSelector

public AbstractEventSelector(EventProcessorRegistry registry)

Method Detail

getName

public String getName()

Description copied from interface: EventSelector

The event selector's name, may be null.

Specified by:

getName in interface EventSelector

Returns:

the event selector's name

next

protected abstract EventSuccessor next(Object input,
                                       Object response)

Implemented by subclasses to select a successor event.

Parameters:

input - the input to the previous event

response - the response from the previous event

Returns:

the successor event details

nextEvent

public Event nextEvent(Object input,
                       Object response)
                throws Exception

Description copied from interface: EventSelector

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?).

Specified by:

nextEvent in interface EventSelector

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