lumis.util
Class Enumerator<E>

java.lang.Object
  lumis.util.Enumerator<E>

All Implemented Interfaces:

Enumeration<E>

public final class Enumerator<E>
extends Object
implements Enumeration<E>

Constructor Summary

Enumerator(Collection<E> collection)
Returns an Enumeration over the specified Collection.

Enumerator(Iterator<E> iterator)
Returns an Enumeration over the values of the specified Iterator.

Enumerator(Map<Object,E> map)
Returns an Enumeration over the values of the specified Map.

Method Summary

boolean	hasMoreElements() Tests if this enumeration contains more elements.
E	nextElement() Returns the next element of this enumeration.

Methods inherited from class java.lang.Object

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

Constructor Detail

Enumerator

public Enumerator(Collection<E> collection)

Returns an Enumeration over the specified Collection.

Parameters:

collection - Collection with values that should be enumerated

Enumerator

public Enumerator(Iterator<E> iterator)

Returns an Enumeration over the values of the specified Iterator.

Parameters:

iterator - Iterator to be wrapped

Enumerator

public Enumerator(Map<Object,E> map)

Returns an Enumeration over the values of the specified Map.

Parameters:

map - Map with values that should be enumerated

Method Detail

hasMoreElements

public boolean hasMoreElements()

Tests if this enumeration contains more elements.

Specified by:

hasMoreElements in interface Enumeration<E>

Returns:

true if this enumeration contains at least one more element to provide, false otherwise.

nextElement

public E nextElement()
              throws NoSuchElementException

Returns the next element of this enumeration.

Specified by:

nextElement in interface Enumeration<E>

Returns:

the next element of this enumeration

Throws:

NoSuchElementException - if no more elements exist