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Class JavaGroups.JavaStack.Protocols.QUEUE 

java.lang.Object
   |
   +----JavaGroups.JavaStack.Protocol
           |
           +----JavaGroups.JavaStack.Protocols.QUEUE
public class QUEUE
extends Protocol
Queuing layer. Upon reception of event START_QUEUEING, all events traveling through this layer upwards/downwards (depending on direction of event) will be queued. Upon reception of a STOP_QUEUEING event, all events will be released. Finally, the queueing flag is reset. When queueing, only event STOP_QUEUEING (received up or downwards) will be allowed to release queueing.

Constructor Index

o QUEUE()

Method Index

o Down(Event)
An event is to be sent down the stack.
o GetName()
All protocol names have to be unique !
o ProvidedDownServices()
List of events that are provided to layers below (they will be handled when sent down from below).
o ProvidedUpServices()
List of events that are provided to layers above (they will be handled when sent down from above).
o SetProperties(Properties)
Configures the protocol initially.
o Up(Event)
Queues or passes up events.

Constructors

o QUEUE 
 public QUEUE()

Methods

o GetName 
 public String GetName()
All protocol names have to be unique !

Overrides:
GetName in class Protocol
o ProvidedUpServices 
 public Vector ProvidedUpServices()
List of events that are provided to layers above (they will be handled when sent down from above).

Overrides:
ProvidedUpServices in class Protocol
o ProvidedDownServices 
 public Vector ProvidedDownServices()
List of events that are provided to layers below (they will be handled when sent down from below).

Overrides:
ProvidedDownServices in class Protocol
o SetProperties 
 public boolean SetProperties(Properties props)
Configures the protocol initially.

Overrides:
SetProperties in class Protocol
o Up 
 public void Up(Event evt)
Queues or passes up events. No queue sync. necessary, as this method is never called concurrently.

Overrides:
Up in class Protocol
o Down 
 public void Down(Event evt)
An event is to be sent down the stack.

Overrides:
Down in class Protocol 
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