org.ikasan.framework.component.routing
Class AbstractFilteringRouter

java.lang.Object
  org.ikasan.framework.component.routing.SingleResultRouter
      org.ikasan.framework.component.routing.AbstractFilteringRouter

All Implemented Interfaces:

Router, FlowComponent

public abstract class AbstractFilteringRouter
extends SingleResultRouter

Field Summary

static String	EXCLUSION_TRANSITION Transition for exclusion of the event
static String	INCLUSION_TRANSITION Default Transition for letting an even pass

Fields inherited from interface org.ikasan.framework.component.routing.Router

DEFAULT_RESULT

Constructor Summary

AbstractFilteringRouter()

Method Summary

protected String	evaluate(Event event) Returns a single value as a result of evaluating the Event
protected abstract boolean	filter(Event event) Should this Event be caught by the filter?

Methods inherited from class org.ikasan.framework.component.routing.SingleResultRouter

onEvent

Methods inherited from class java.lang.Object

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

Field Detail

EXCLUSION_TRANSITION

public static final String EXCLUSION_TRANSITION

Transition for exclusion of the event

See Also:

Constant Field Values

INCLUSION_TRANSITION

public static final String INCLUSION_TRANSITION

Default Transition for letting an even pass

See Also:

Constant Field Values

Constructor Detail

AbstractFilteringRouter

public AbstractFilteringRouter()

Method Detail

evaluate

protected String evaluate(Event event)
                   throws RouterException

Description copied from class: SingleResultRouter

Returns a single value as a result of evaluating the Event

Specified by:

evaluate in class SingleResultRouter

Parameters:

event - to evaluate

Returns:

result

Throws:

RouterException - Exception if we could not route the event

filter

protected abstract boolean filter(Event event)

Should this Event be caught by the filter?

Parameters:

event -

Returns:

true if this event should be filtered out