org.jikesrvm.compilers.opt.util

Class FilterEnumerator<S,T>

java.lang.Object

org.jikesrvm.compilers.opt.util.FilterEnumerator<S,T>

All Implemented Interfaces:

Enumeration<T>

public class FilterEnumerator<S,T>
extends Object
implements Enumeration<T>

A FilterEnumerator filters and maps a source Enumeration to generate a new one.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FilterEnumerator.Filter<S,T>

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	done
(package private) Enumeration<S>	e
(package private) FilterEnumerator.Filter<S,T>	f
private S	next

Constructor Summary

Constructors

Constructor and Description
FilterEnumerator(Enumeration<S> e, FilterEnumerator.Filter<S,T> f)

Method Summary

Modifier and Type	Method and Description
private void	advance()
boolean	hasMoreElements()
T	nextElement()

Methods inherited from class java.lang.Object

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

Field Detail

e

final Enumeration<S> e

f

final FilterEnumerator.Filter<S,T> f

next

private S next

done

private boolean done

Constructor Detail

FilterEnumerator

public FilterEnumerator(Enumeration<S> e,
                        FilterEnumerator.Filter<S,T> f)

Method Detail

advance

private void advance()

nextElement

public T nextElement()

Specified by:

nextElement in interface Enumeration<T>

hasMoreElements

public boolean hasMoreElements()

Specified by:

hasMoreElements in interface Enumeration<T>