org.ow2.jonas.lib.ejb21
Class CollectionEnum

java.lang.Object
  org.ow2.jonas.lib.ejb21.CollectionEnum

All Implemented Interfaces:

Serializable, Enumeration

public class CollectionEnum
extends Object
implements Serializable, Enumeration

This class implements the java.util.Enumeration and the java.io.Serializable interfaces.
This class is used as the return value type of the implementation of the finder methods which return a collection.
Indeed, the EJB spec. tells that the type for a collection is the java.util.Enumeration. In addition the return value type must be legal type for Java RMI (ie. serializable type).

Author:

Helene Joanin : Initial developer

See Also:

Serialized Form

Constructor Summary

CollectionEnum()
Create an empty CollectionEnum

CollectionEnum(Vector v)
Create a CollectionEnum from a vector

Method Summary

void	addElement(Object obj) Add an element
boolean	hasMoreElements() Implements Enumeration.hasMoreElements()
Object	nextElement() Implements Enumeration.nextElement()

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionEnum

public CollectionEnum()

Create an empty CollectionEnum

CollectionEnum

public CollectionEnum(Vector v)

Create a CollectionEnum from a vector

Method Detail

addElement

public void addElement(Object obj)

Add an element

hasMoreElements

public boolean hasMoreElements()

Implements Enumeration.hasMoreElements()

Specified by:

hasMoreElements in interface Enumeration

nextElement

public Object nextElement()
                   throws NoSuchElementException

Implements Enumeration.nextElement()

Specified by:

nextElement in interface Enumeration

Throws:

NoSuchElementException