scale.common
Class StringTable

java.lang.Object
  scale.common.StringTable

public class StringTable
extends java.lang.Object

This class maps from an integer value to a String.

$Id: StringTable.java,v 1.13 2007-01-04 16:57:59 burrill Exp $

Copyright 2006 by the Scale Compiler Group,
Department of Computer Science
University of Massachusetts,
Amherst MA. 01003, USA
All Rights Reserved.

Constructor Summary

StringTable(int capacity)

Method Summary

void	clear() Remove all entries from the map.
void	clear(int flag) Remove all entries with the specified flag value from the map.
java.util.Enumeration<java.lang.String>	elements() Return an enumeration of all of the elements in the map.
java.lang.String	get(long key) Find an entry in the map.
java.lang.String	put(long key, java.lang.String value, int flag) Place an entry in the map unless it is already there.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringTable

public StringTable(int capacity)

Parameters:

capacity - initial capacity - should be prime

Method Detail

clear

public void clear()

Remove all entries from the map.

clear

public void clear(int flag)

Remove all entries with the specified flag value from the map.

See Also:

put(long, java.lang.String, int)

put

public java.lang.String put(long key,
                            java.lang.String value,
                            int flag)

Place an entry in the map unless it is already there. There can be only one tuple with this key.

Parameters:

key - map from this key to the value

flag - is a separate integer value attached to the mapping

Returns:

the previous value

get

public java.lang.String get(long key)

Find an entry in the map. There can be only one tuple with this key.

Parameters:

key - map from this key to the value

Returns:

the value

elements

public java.util.Enumeration<java.lang.String> elements()

Return an enumeration of all of the elements in the map.