net.sf.appia.protocols.loopBack
Class LoopBackLayer

java.lang.Object
  net.sf.appia.core.Layer
      net.sf.appia.protocols.loopBack.LoopBackLayer

public class LoopBackLayer
extends Layer

LoopBackLayer is the Layer that sends back a copy of the GroupSendableEvents received from the upper Layers. This is intedende to simulate Broadcast funcionality and it's useful for implementing Atomic Broadcast protocols.

This Layer should be placed above the group communication layers and doesn't provide uniform guarantees. This protocol accepts the following events:

• GroupSendableEvent
• ChannelInit

See Also:

GroupSendableEvent, ChannelInit

Field Summary

Fields inherited from class net.sf.appia.core.Layer

evAccept, evProvide, evRequire

Constructor Summary

LoopBackLayer()
A simple constructor.

Method Summary

Session

createSession() Standard session instantiation

Methods inherited from class net.sf.appia.core.Layer

channelDispose, getAcceptedEvents, getProvidedEvents, getRequiredEvents

Methods inherited from class java.lang.Object

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

Constructor Detail

LoopBackLayer

public LoopBackLayer()

A simple constructor.

Method Detail

createSession

public Session createSession()

Standard session instantiation

Specified by:

createSession in class Layer