org.openmdx.kernel.application.container.spi.ejb
Class BeanInstanceFactory

java.lang.Object
  org.openmdx.kernel.application.container.spi.ejb.BeanInstanceFactory

All Implemented Interfaces:

ContextSwitcher, PoolableObjectFactory

public class BeanInstanceFactory
extends Object
implements PoolableObjectFactory, ContextSwitcher

Bean Instance Factory

Constructor Summary

BeanInstanceFactory(ClassLoader beanClassLoader, Deployment.SessionBean bean, SessionContext sessionContext)

Method Summary

void	activateObject(Object obj) Reinitialize an instance to be returned by the pool.
void	destroyObject(Object obj) Destroys an instance no longer needed by the pool.
Class	getInstanceClass()
Object	makeObject() Creates an instance that can be returned by the pool.
void	passivateObject(Object obj) Uninitialize an instance to be returned to the pool.
Object	setBeanContext() Replace the caller's context by the EJB's context.
void	setCallerContext(Object callerContext) Replace the EJB's context by the caller's context.
boolean	validateObject(Object obj) Ensures that the instance is safe to be returned by the pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanInstanceFactory

public BeanInstanceFactory(ClassLoader beanClassLoader,
                           Deployment.SessionBean bean,
                           SessionContext sessionContext)
                    throws ClassNotFoundException,
                           SecurityException,
                           NoSuchMethodException

Throws:

ClassNotFoundException

SecurityException

NoSuchMethodException

Method Detail

getInstanceClass

public Class getInstanceClass()

Returns:

Returns the instanceClass.

makeObject

public Object makeObject()
                  throws Exception

Description copied from interface: PoolableObjectFactory

Creates an instance that can be returned by the pool.

Specified by:

makeObject in interface PoolableObjectFactory

Returns:

an instance that can be returned by the pool.

Throws:

Exception

destroyObject

public void destroyObject(Object obj)
                   throws Exception

Description copied from interface: PoolableObjectFactory

Destroys an instance no longer needed by the pool.

Specified by:

destroyObject in interface PoolableObjectFactory

Parameters:

obj - the instance to be destroyed

Throws:

Exception

validateObject

public boolean validateObject(Object obj)

Description copied from interface: PoolableObjectFactory

Ensures that the instance is safe to be returned by the pool. Returns false if this object should be destroyed.

Specified by:

validateObject in interface PoolableObjectFactory

Parameters:

obj - the instance to be validated

Returns:

false if this obj is not valid and should be dropped from the pool, true otherwise.

activateObject

public void activateObject(Object obj)
                    throws Exception

Description copied from interface: PoolableObjectFactory

Reinitialize an instance to be returned by the pool.

Specified by:

activateObject in interface PoolableObjectFactory

Parameters:

obj - the instance to be activated

Throws:

Exception

passivateObject

public void passivateObject(Object obj)
                     throws Exception

Description copied from interface: PoolableObjectFactory

Uninitialize an instance to be returned to the pool.

Specified by:

passivateObject in interface PoolableObjectFactory

Parameters:

obj - the instance to be passivated

Throws:

Exception

setBeanContext

public Object setBeanContext()

Description copied from interface: ContextSwitcher

Replace the caller's context by the EJB's context.

Specified by:

setBeanContext in interface ContextSwitcher

Returns:

the caller's context

setCallerContext

public void setCallerContext(Object callerContext)

Description copied from interface: ContextSwitcher

Replace the EJB's context by the caller's context.

Specified by:

setCallerContext in interface ContextSwitcher

Parameters:

callerContext - the caller's context