org.codehaus.wadi.impl
Class AbstractExclusiveContextualiser

java.lang.Object
  org.codehaus.wadi.impl.AbstractContextualiser
      org.codehaus.wadi.impl.AbstractChainedContextualiser
          org.codehaus.wadi.impl.AbstractMotingContextualiser
              org.codehaus.wadi.impl.AbstractExclusiveContextualiser

All Implemented Interfaces:

Config, Contextualiser, EvicterConfig, Lifecycle

Direct Known Subclasses:

ExclusiveStoreContextualiser, GiannisContextualiser, MemoryContextualiser

public abstract class AbstractExclusiveContextualiser

extends AbstractMotingContextualiser

implements EvicterConfig

Basic implementation for Contextualisers which maintain a local Map of references to Motables.

Version:

$Revision: 1430 $

Author:

Jules Gosnell

Field Summary

protected Evicter	_evicter
protected Map	_map
protected String	_stringPrefix
protected String	_stringSuffix

Fields inherited from class org.codehaus.wadi.impl.AbstractMotingContextualiser

_clean, _config, _locker

Fields inherited from class org.codehaus.wadi.impl.AbstractChainedContextualiser

_next

Fields inherited from class org.codehaus.wadi.impl.AbstractContextualiser

_log

Constructor Summary

AbstractExclusiveContextualiser(Contextualiser next, Locker locker, boolean clean, Evicter evicter, Map map)

Method Summary

void	demote(Motable emotable)
void	destroy()
void	findRelevantSessionNames(int numPartitions, Collection[] resultSet)
Motable	get(String id)
Immoter	getDemoter(String name, Motable motable) Return a Demoter to the first Contextualiser which would be happy to accept this Motable - in other words - would not evict() it.
Evicter	getEvicter()
Emoter	getEvictionEmoter()
Sync	getEvictionLock(String id, Motable motable)
int	getLocalSessionCount()
Map	getMap()
int	getMaxInactiveInterval()
int	getSize()
Timer	getTimer()
boolean	handle(InvocationContext invocationContext, String id, Immoter immoter, Sync motionLock)
void	init(ContextualiserConfig config)
void	load(Emoter emoter, Immoter immoter)
void	start()
void	stop()
String	toString()
protected void	unload()

Methods inherited from class org.codehaus.wadi.impl.AbstractMotingContextualiser

contextualise, getEmoter, getImmoter, getPromoter, getSharedDemoter, promote, promoteToExclusive

Methods inherited from class org.codehaus.wadi.impl.AbstractChainedContextualiser

setLastAccessedTime, setMaxInactiveInterval

Methods inherited from class org.codehaus.wadi.impl.AbstractContextualiser

getStartInfo, getStopInfo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.wadi.EvicterConfig

expire

Methods inherited from interface org.codehaus.wadi.Contextualiser

isExclusive

Field Detail

_map

protected final Map _map

_evicter

protected final Evicter _evicter

_stringPrefix

protected String _stringPrefix

_stringSuffix

protected String _stringSuffix

Constructor Detail

AbstractExclusiveContextualiser

public AbstractExclusiveContextualiser(Contextualiser next,
                                       Locker locker,
                                       boolean clean,
                                       Evicter evicter,
                                       Map map)

Method Detail

toString

public String toString()

get

public Motable get(String id)

Specified by:

get in class AbstractMotingContextualiser

handle

public boolean handle(InvocationContext invocationContext,
                      String id,
                      Immoter immoter,
                      Sync motionLock)
               throws InvocationException

Overrides:

handle in class AbstractMotingContextualiser

Throws:

InvocationException

getEvictionEmoter

public Emoter getEvictionEmoter()

Specified by:

getEvictionEmoter in interface EvicterConfig

unload

protected void unload()

init

public void init(ContextualiserConfig config)

Specified by:

init in interface Contextualiser

Overrides:

init in class AbstractMotingContextualiser

start

public void start()
           throws Exception

Specified by:

start in interface Lifecycle

Overrides:

start in class AbstractChainedContextualiser

Throws:

Exception

stop

public void stop()
          throws Exception

Specified by:

stop in interface Lifecycle

Overrides:

stop in class AbstractChainedContextualiser

Throws:

Exception

destroy

public void destroy()

Specified by:

destroy in interface Contextualiser

Overrides:

destroy in class AbstractMotingContextualiser

load

public void load(Emoter emoter,
                 Immoter immoter)

Specified by:

load in interface Contextualiser

getEvicter

public Evicter getEvicter()

getDemoter

public Immoter getDemoter(String name,
                          Motable motable)

Description copied from interface: Contextualiser

Return a Demoter to the first Contextualiser which would be happy to accept this Motable - in other words - would not evict() it.

Specified by:

getDemoter in interface Contextualiser

Parameters:

name - - uid of the Motable

motable - - the Motable in question

Returns:

- a Demoter - a delegate capable of arranging immotion into the correct Contextualiser

getLocalSessionCount

public int getLocalSessionCount()

Specified by:

getLocalSessionCount in interface Contextualiser

getSize

public int getSize()

getMap

public Map getMap()

Specified by:

getMap in interface EvicterConfig

getTimer

public Timer getTimer()

Specified by:

getTimer in interface EvicterConfig

getEvictionLock

public Sync getEvictionLock(String id,
                            Motable motable)

Specified by:

getEvictionLock in interface EvicterConfig

demote

public void demote(Motable emotable)

Specified by:

demote in interface EvicterConfig

getMaxInactiveInterval

public int getMaxInactiveInterval()

Specified by:

getMaxInactiveInterval in interface EvicterConfig

findRelevantSessionNames

public void findRelevantSessionNames(int numPartitions,
                                     Collection[] resultSet)

Specified by:

findRelevantSessionNames in interface Contextualiser

Overrides:

findRelevantSessionNames in class AbstractChainedContextualiser