examples.ejb11.subclass
Class ParentBean

java.lang.Object
  |
  +--examples.ejb11.subclass.ParentBean

All Implemented Interfaces:

javax.ejb.EnterpriseBean, java.io.Serializable, javax.ejb.SessionBean

Direct Known Subclasses:

ChildBean

public class ParentBean

extends java.lang.Object

implements javax.ejb.SessionBean

ParentBean is a stateless SessionBean. This bean:

• Is the parent class to the ChildBean subclass
• Contains methods that are inherited by the Child bean
• Contains a method that is overloaded by the Child bean
• Illustrates the use of protected instead of private variables so that the Child bean can inherit them

Author:

Copyright (c) 1998-2002 by BEA Systems, Inc. All Rights Reserved.

Field Summary

protected javax.ejb.SessionContext	ctx
(package private) static boolean	VERBOSE

Constructor Summary

ParentBean()

Method Summary

void	ejbActivate() This method is required by the EJB Specification, but is not used by this example.
void	ejbCreate() This method corresponds to the create method in the home interface "ParentHome".
void	ejbPassivate() This method is required by the EJB Specification, but is not used by this example.
void	ejbRemove() This method is required by the EJB Specification, but is not used by this example.
protected void	log(java.lang.String s)
java.lang.String	nonOverloadedMethod() Sends back a pre-defined message identifying the method.
java.lang.String	sayHello() Sends back a pre-defined message identifying the method.
void	setSessionContext(javax.ejb.SessionContext ctx) Sets the session context.

Methods inherited from class java.lang.Object

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

Field Detail

ctx

protected javax.ejb.SessionContext ctx

VERBOSE

static final boolean VERBOSE

Constructor Detail

ParentBean

public ParentBean()

Method Detail

ejbActivate

public void ejbActivate()

This method is required by the EJB Specification, but is not used by this example.

Specified by:

ejbActivate in interface javax.ejb.SessionBean

ejbCreate

public void ejbCreate()
               throws javax.ejb.CreateException

This method corresponds to the create method in the home interface "ParentHome". The parameter sets of the two methods are identical. When the client calls ParentHome.create(), the container allocates an instance of the EJBean and calls ejbCreate().

Throws:

javax.ejb.CreateException - if there is a problem creating the bean

See Also:

examples.ejb11.subclass.parent.Parent

ejbPassivate

public void ejbPassivate()

This method is required by the EJB Specification, but is not used by this example.

Specified by:

ejbPassivate in interface javax.ejb.SessionBean

ejbRemove

public void ejbRemove()

This method is required by the EJB Specification, but is not used by this example.

Specified by:

ejbRemove in interface javax.ejb.SessionBean

log

protected void log(java.lang.String s)

nonOverloadedMethod

public java.lang.String nonOverloadedMethod()

Sends back a pre-defined message identifying the method. This method is inherited but not overloaded by the Child bean.

Returns:

String Message

sayHello

public java.lang.String sayHello()

Sends back a pre-defined message identifying the method. This method is inherited and overloaded by the Child bean.

Returns:

String Message

setSessionContext

public void setSessionContext(javax.ejb.SessionContext ctx)

Sets the session context.

Specified by:

setSessionContext in interface javax.ejb.SessionBean

Parameters:

ctx - SessionContext Context for session