antlr.collections.impl
Class LLEnumeration

java.lang.Object
  |
  +--antlr.collections.impl.LLEnumeration

All Implemented Interfaces:

Enumeration

final class LLEnumeration

extends Object

implements Enumeration

An enumeration of a LList. Maintains a cursor through the list. bad things would happen if the list changed via another thread while we were walking this list.

Field Summary

(package private) LLCell	cursor
(package private) LList	list

Constructor Summary

LLEnumeration(LList l)
Create an enumeration attached to a LList

Method Summary

boolean	hasMoreElements() Return true/false depending on whether there are more elements to enumerate.
Object	nextElement() Get the next element in the enumeration.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Enumeration

asList, iterate

Field Detail

cursor

LLCell cursor

list

LList list

Constructor Detail

LLEnumeration

public LLEnumeration(LList l)

Create an enumeration attached to a LList

Method Detail

hasMoreElements

public boolean hasMoreElements()

Return true/false depending on whether there are more elements to enumerate.

Specified by:

hasMoreElements in interface Enumeration

Returns:

true if and only if this enumeration object contains at least one more element to provide; false otherwise.

nextElement

public Object nextElement()

Get the next element in the enumeration. Destructive in that the returned element is removed from the enumeration. This does not affect the list itself.

Specified by:

nextElement in interface Enumeration

Returns:

the next object in the enumeration.