ejava.examples.ejbsessionbank.ejb

Class StatsEJB

java.lang.Object

ejava.examples.ejbsessionbank.ejb.StatsEJB

All Implemented Interfaces:

Stats, StatsLocal, StatsRemote

public class StatsEJB
extends Object
implements StatsLocal, StatsRemote

This class provides an example of a Singleton EJB. The container will instantiate only one instance of this class and manage concurrent access to the instance.

Field Summary

Fields

Modifier and Type	Field and Description
private int	delta
(package private) static org.apache.commons.logging.Log	log
private int	total

Constructor Summary

Constructors

Constructor and Description
StatsEJB()

Method Summary

Modifier and Type	Method and Description
void	close()
int	getDelta()
int	getTotal() An example read method that the container will protect from other write methods, but allow concurrent read access.
void	init()
void	open() An example of a write method that the container will protect against other write and readers.
void	reset()

Methods inherited from class java.lang.Object

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

Field Detail

log

static final org.apache.commons.logging.Log log

delta

private int delta

total

private int total

Constructor Detail

StatsEJB

public StatsEJB()

Method Detail

init

@PostConstruct
public void init()

open

public void open()

An example of a write method that the container will protect against other write and readers.

Specified by:

open in interface Stats

close

public void close()

Specified by:

close in interface Stats

getTotal

public int getTotal()

An example read method that the container will protect from other write methods, but allow concurrent read access.

Specified by:

getTotal in interface Stats

getDelta

public int getDelta()

Specified by:

getDelta in interface Stats

reset

public void reset()

Specified by:

reset in interface Stats