org.axonframework.eventhandling
Class EventListenerOrderComparator

java.lang.Object
  org.axonframework.eventhandling.EventListenerOrderComparator

All Implemented Interfaces:

Comparator<EventListener>

public class EventListenerOrderComparator
extends Object
implements Comparator<EventListener>

Comparator implementation that uses an OrderResolver instance to define the expected order of two candidates. When two values have identical order, but the instances are not equal, this Comparator will use the classes hashCode or their Identity HashCode (see System.identityHashCode(Object)) to order the instances.

Since:

2.1

Author:

Allard Buijze

Constructor Summary

EventListenerOrderComparator(OrderResolver orderResolver)
Creates a comparator using given orderResolver to resolve the "order" value.

Method Summary

int	compare(EventListener o1, EventListener o2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

EventListenerOrderComparator

public EventListenerOrderComparator(OrderResolver orderResolver)

Creates a comparator using given orderResolver to resolve the "order" value.

Parameters:

orderResolver - resolver that provides the "order" value of a given EventListener

Method Detail

compare

public int compare(EventListener o1,
                   EventListener o2)

Specified by:

compare in interface Comparator<EventListener>