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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » j2ee » javax.ejb

Source Cross Reference

Class Diagram

Java Document (Java Doc)

javax.ejb .SessionBean

SessionBean
public interface SessionBean extends EnterpriseBean(Code)
	The SessionBean interface is implemented by every session enterprise Bean class. The container uses the SessionBean methods to notify the enterprise Bean instances of the instance's life cycle events.

Method Summary
public void	ejbActivate() The activate method is called when the instance is activated from its "passive" state. The instance should acquire any resource that it has released earlier in the ejbPassivate() method. This method is called with no transaction context. exception: EJBException - - Thrown by the method to indicate a failure caused by a system-level error. exception: java.rmi.RemoteException - - This exception is defined in the method signature to providebackward compatibility for enterprise beans written for the EJB 1.0 specification.
public void	ejbPassivate() The passivate method is called before the instance enters the "passive" state.
public void	ejbRemove() A container invokes this method before it ends the life of the session object.
public void	setSessionContext(SessionContext ctx) Set the associated session context.

Method Detail

ejbActivate

public void ejbActivate() throws EJBException, RemoteException(Code)

The activate method is called when the instance is activated from its "passive" state. The instance should acquire any resource that it has released earlier in the ejbPassivate() method.

This method is called with no transaction context.

exception:
EJBException - - Thrown by the method to indicate a failure caused by a system-level error.
exception:
java.rmi.RemoteException - - This exception is defined in the method signature to providebackward compatibility for enterprise beans written for the EJB 1.0 specification. Enterprise beanswritten for the EJB 1.1 specification should throw the javax.ejb.EJBException instead of this exception.Enterprise beans written for the EJB2.0 and higher specifications must throw the javax.ejb.EJBExceptioninstead of this exception.

ejbPassivate

public void ejbPassivate() throws EJBException, RemoteException(Code)

The passivate method is called before the instance enters the "passive" state. The instance should release any resources that it can re-acquire later in the ejbActivate() method.

After the passivate method completes, the instance must be in a state that allows the container to use the Java Serialization protocol to externalize and store away the instance's state.

This method is called with no transaction context.

ejbRemove

public void ejbRemove() throws EJBException, RemoteException(Code)

A container invokes this method before it ends the life of the session object. This happens as a result of a client's invoking a remove operation, or when a container decides to terminate the session object after a timeout.

This method is called with no transaction context.

setSessionContext

public void setSessionContext(SessionContext ctx) throws EJBException, RemoteException(Code)

Set the associated session context. The container calls this method after the instance creation.

The enterprise Bean instance should store the reference to the context object in an instance variable.

This method is called with no transaction context.

Parameters:
  ctx - - A SessionContext interface for the instance.
exception:
  EJBException - - Thrown by the method to indicate a failure caused by a system-level error.
exception:
  java.rmi.RemoteException - - This exception is defined in the method signature to providebackward compatibility for enterprise beans written for the EJB 1.0 specification. Enterprise beanswritten for the EJB 1.1 specification should throw the javax.ejb.EJBException instead of this exception.Enterprise beans written for the EJB2.0 and higher specifications must throw the javax.ejb.EJBExceptioninstead of this exception.

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