org.objectweb.jonas_ejb.container
Class JStatefulFactory

java.lang.Object
  org.objectweb.jonas_ejb.container.JFactory
      org.objectweb.jonas_ejb.container.JSessionFactory
          org.objectweb.jonas_ejb.container.JStatefulFactory

All Implemented Interfaces:

BeanFactory

public class JStatefulFactory

extends JSessionFactory

This class is a factory for a Session Stateful Bean.

Author:

Philippe Durieux

Field Summary

protected int	cacheSize Current Cache Size
protected java.util.HashMap	statefulList List of JStatefulSwitch objects (pool of session instances) Key is the sessionId

Fields inherited from class org.objectweb.jonas_ejb.container.JSessionFactory

home, isStateful, isSynchro, localhome, sessionList, singleswitch, uniqueSession

Fields inherited from class org.objectweb.jonas_ejb.container.JFactory

beanclass, cont, dd, ejb10Env, ejbname, ejbTimeoutSignature, isClusterReplicated, JNDICtx, maxCacheSize, minPoolSize, myTimerService, naming, passivationDir, stopped, timerTxAttr, tm, txbeanmanaged, wm

Constructor Summary

JStatefulFactory(SessionStatefulDesc dd, JContainer cont)
constructor

Method Summary

JStatefulContext	activateStateful(JStatefulSwitch jss)
void	checkSecurity(EJBInvocation ejbInv) Check if the access to the bean is authorized
JSessionSwitch	createNewSession() Creates a new Session Stateful called back from createEJB
int	getCacheSize()
JSessionContext	getJContext(JSessionSwitch ss) get a new session context must call newInstance (EJB specs) => no pool should be used.
int	getNewSessionId(JStatefulSwitch jss)
int	getPoolSize() No pool for stateful session beans
javax.ejb.TimerService	getTimerService() Obtains the TimerService associated for this Bean
void	initInstancePool() No pool of instances for stateful session beans
boolean	passivateStateful(JStatefulSwitch jss)
void	postInvoke(RequestCtx rctx) postinvoke
RequestCtx	preInvoke(int txa) preInvoke for Session beans stateful
void	reduceCache() Reduce number of instances in memory
void	removeStateful(int sid)
void	storeInstances(javax.transaction.Transaction tx) Store intances modified (used before finder ou select methods)

Methods inherited from class org.objectweb.jonas_ejb.container.JSessionFactory

checkTransaction, createEJB, getHome, getLocalHome, getTimeout, isSessionSynchro, isStateful, removeEJB, setTimeout, singleSwitchOn, stop, syncDirty

Methods inherited from class org.objectweb.jonas_ejb.container.JFactory

checkJonasVersion, checkTransactionContainer, getContainer, getDeploymentDescriptor, getEjb10Environment, getEJBName, getEjbTimeoutSignature, getEnv, getInitialContext, getMaxCacheSize, getMinPoolSize, getPassivationDir, getTimerTxAttribute, getTransactionManager, getWorkManager, init, isClassAvailable, isStopped, isTxBeanManaged, myClassLoader, postInvokeRemote, preInvokeRemote, resetComponentContext, restartTimers, setComponentContext, stopContainer

Methods inherited from class java.lang.Object

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

Field Detail

statefulList

protected java.util.HashMap statefulList

List of JStatefulSwitch objects (pool of session instances) Key is the sessionId

cacheSize

protected int cacheSize

Current Cache Size

Constructor Detail

JStatefulFactory

public JStatefulFactory(SessionStatefulDesc dd,
                        JContainer cont)

constructor

Parameters:

dd - Bean Deployment Descriptor

cont - Container where the bean is defined

Method Detail

getCacheSize

public int getCacheSize()

Overrides:

getCacheSize in class JFactory

Returns:

the Instance cache size for this Ejb

getPoolSize

public int getPoolSize()

No pool for stateful session beans

Specified by:

getPoolSize in interface BeanFactory

Specified by:

getPoolSize in class JFactory

Returns:

0

reduceCache

public void reduceCache()

Reduce number of instances in memory

initInstancePool

public void initInstancePool()

No pool of instances for stateful session beans

Specified by:

initInstancePool in interface BeanFactory

Specified by:

initInstancePool in class JFactory

preInvoke

public RequestCtx preInvoke(int txa)

preInvoke for Session beans stateful

Overrides:

preInvoke in class JFactory

Parameters:

txa - Transaction Attribute (Supports, Required, ...)

Returns:

A RequestCtx object

Throws:

javax.ejb.EJBException

checkSecurity

public void checkSecurity(EJBInvocation ejbInv)

Check if the access to the bean is authorized

Overrides:

checkSecurity in class JFactory

Parameters:

ejbInv - object containing security signature of the method, args of method, etc

postInvoke

public void postInvoke(RequestCtx rctx)

postinvoke

Overrides:

postInvoke in class JFactory

Parameters:

rctx - The RequestCtx that was returned at preInvoke()

Throws:

javax.ejb.EJBException

getTimerService

public javax.ejb.TimerService getTimerService()

Obtains the TimerService associated for this Bean

Specified by:

getTimerService in class JFactory

Returns:

a JTimerService instance.

createNewSession

public JSessionSwitch createNewSession()
                                throws java.rmi.RemoteException

Creates a new Session Stateful called back from createEJB

Specified by:

createNewSession in class JSessionFactory

Returns:

The Session Switch object

Throws:

java.rmi.RemoteException

getNewSessionId

public int getNewSessionId(JStatefulSwitch jss)

passivateStateful

public boolean passivateStateful(JStatefulSwitch jss)

activateStateful

public JStatefulContext activateStateful(JStatefulSwitch jss)

removeStateful

public void removeStateful(int sid)

getJContext

public JSessionContext getJContext(JSessionSwitch ss)

get a new session context must call newInstance (EJB specs) => no pool should be used.

Specified by:

getJContext in class JSessionFactory

Returns:

a new Session Context

storeInstances

public void storeInstances(javax.transaction.Transaction tx)

Description copied from interface: BeanFactory

Store intances modified (used before finder ou select methods)