gr.uoa.di.madgik.commons.channel.registry
Class ChannelRegistry

java.lang.Object
  gr.uoa.di.madgik.commons.channel.registry.ChannelRegistry

public class ChannelRegistry
extends Object

ChannelRegistry is a utility class that acts as a container for channels. It is the main connector point so that outlets can locate inlets

Author:

gpapanikos

Constructor Summary

ChannelRegistry()

Method Summary

protected static void	CleanUp(ChannelRegistryKey RegistryKey) Cleans up the entry of the provided registry key.
static ChannelRegistryKey	Register(ChannelState State, INozzleConfig Config, String RegisteringNozzle) Registers a channel and assigns it a referencable unique identifier.
static ChannelRegistryEntry	Retrieve(ChannelRegistryKey Key) Retrieves the associated to a registry key entry

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelRegistry

public ChannelRegistry()

Method Detail

Register

public static ChannelRegistryKey Register(ChannelState State,
                                          INozzleConfig Config,
                                          String RegisteringNozzle)

Registers a channel and assigns it a referencable unique identifier. the IChannelProxy.SetChannelRegistryKey(ChannelRegistryKey) is called so that now the inlet side of the channel has all the information needed to complete its instantiation of inlet side proxy able to identify fully the served channel. The cleanup module ChannelRegistryCleanUp is registered with events produced by the registered ChannelState so that it can cleanup the registry entries when the channel will be disposed.

Parameters:

State - the state that represents the main synchronization point

Config - the configuration of the created channel

RegisteringNozzle - the inlet nozzle

Returns:

the assigned channel registry key

Retrieve

public static ChannelRegistryEntry Retrieve(ChannelRegistryKey Key)

Retrieves the associated to a registry key entry

Parameters:

Key - The registry key of which to retrieve the entry

Returns:

The associated entry or null if the registry does not contain any record for the specific key

CleanUp

protected static void CleanUp(ChannelRegistryKey RegistryKey)

Cleans up the entry of the provided registry key. Unregisters the ChannelRegistryCleanUp module from events by the ChannelState to be cleaned up. Then calls ChannelRegistryEntry.Dispose() for the entry that is stored for the provided registry key

Parameters:

RegistryKey - the registry key