org.apache.hivemind.service.impl
Class EventLinkerImpl

java.lang.Object
  org.apache.hivemind.impl.BaseLocatable
      org.apache.hivemind.service.impl.EventLinkerImpl

All Implemented Interfaces:

Locatable, LocationHolder, EventLinker

public class EventLinkerImpl
extends BaseLocatable
implements EventLinker

Implementation of EventLinker. Will output warnings whenever a consumer can't be registered for at least one event set (which can happen when the consumer does not implement the necessary interfaces).

Author:

Howard Lewis Ship

Constructor Summary

EventLinkerImpl(ErrorLog errorLog)

Method Summary

void	addEventListener(java.lang.Object producer, java.lang.String eventSetName, java.lang.Object consumer, Location location) Adds the consumer as a listener of events published by the producer.

Methods inherited from class org.apache.hivemind.impl.BaseLocatable

getLocation, setLocation

Methods inherited from class java.lang.Object

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

Constructor Detail

EventLinkerImpl

public EventLinkerImpl(ErrorLog errorLog)

Method Detail

addEventListener

public void addEventListener(java.lang.Object producer,
                             java.lang.String eventSetName,
                             java.lang.Object consumer,
                             Location location)

Description copied from interface: EventLinker

Adds the consumer as a listener of events published by the producer. Typically, the producer is a service, and the consumer is some other service's core implementation.

Specified by:

addEventListener in interface EventLinker

Parameters:

producer - the object which will be publishing the events.

eventSetName - the name of an event set; the consumer will only be registered for that set of events.

consumer - the object which will be added as a listener.

location - used when reporting errors, may be null