org.extex.scanner.type.tokens
Class ImmutableTokens

java.lang.Object
  org.extex.scanner.type.tokens.Tokens
      org.extex.scanner.type.tokens.ImmutableTokens

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<Token>, FixedTokens

public class ImmutableTokens
extends Tokens

This class presents a Tokens register where all setters are disabled. This means that its value can not be altered once it has been created.

Version:

$Revision$

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

protected static long

serialVersionUID The constant serialVersionUID contains the id for serialization.

Fields inherited from class org.extex.scanner.type.tokens.Tokens

EMPTY

Constructor Summary

ImmutableTokens()
Creates a new object.

Method Summary

void	add(Token t) Add another token to the end of the Tokens.
void	add(Tokens toks) Add another token list to the end of the Tokens.

Methods inherited from class org.extex.scanner.type.tokens.Tokens

clear, equals, get, hashCode, insert, iterator, length, pop, push, removeFirst, removeLast, show, toString, toString, toString, toText, toText

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

protected static final long serialVersionUID

The constant serialVersionUID contains the id for serialization.

See Also:

Constant Field Values

Constructor Detail

ImmutableTokens

public ImmutableTokens()

Creates a new object. The new object has no items in it.

Method Detail

add

public void add(Token t)

Add another token to the end of the Tokens. This operation is unsupported and leads to an exception.

Overrides:

add in class Tokens

Parameters:

t - The token to add

See Also:

Tokens.add( org.extex.scanner.type.token.Token)

add

public void add(Tokens toks)

Add another token list to the end of the Tokens. This operation is unsupported and leads to an exception.

Overrides:

add in class Tokens

Parameters:

toks - the tokens to add

See Also:

Tokens.add( org.extex.scanner.type.tokens.Tokens)