antlr.collections.impl

Class LLEnumeration

java.lang.Object

antlr.collections.impl.LLEnumeration

All Implemented Interfaces:

java.util.Enumeration

final class LLEnumeration
extends java.lang.Object
implements java.util.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

Fields

Modifier and Type	Field and Description
(package private) LLCell	cursor
(package private) LList	list

Constructor Summary

Constructors

Constructor and Description
LLEnumeration(LList l) Create an enumeration attached to a LList

Method Summary

Modifier and Type	Method and Description
boolean	hasMoreElements() Return true/false depending on whether there are more elements to enumerate.
java.lang.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

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 java.util.Enumeration

nextElement

public java.lang.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 java.util.Enumeration

Returns:

the next object in the enumeration.