org.onemind.commons.java.datastructure
Class SimpleNametable

java.lang.Object
  org.onemind.commons.java.datastructure.SimpleNametable

All Implemented Interfaces:

Nametable

public class SimpleNametable

extends java.lang.Object

implements Nametable

A simple implementation of nametable

Author:

TiongHiang Lee (thlee@onemindsoft.org)

Constructor Summary

SimpleNametable(java.util.Map m)
Constructor

Method Summary

java.lang.Object	access(java.lang.String name) Access the value associated with name
java.util.Map	asMap() Return the name table as a map
java.lang.Object	assign(java.lang.String name, java.lang.Object value) Assign a variable in the name table
boolean	containsName(java.lang.String name) Whether the nametable contains the name
void	declare(java.lang.String name, java.lang.Object value) Declare a variable in the name table
java.lang.String	toString()
void	undeclare(java.lang.String name) Undeclare the name

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleNametable

public SimpleNametable(java.util.Map m)

Constructor

Parameters:

m - the name

Method Detail

declare

public void declare(java.lang.String name,
                    java.lang.Object value)

Declare a variable in the name table

Specified by:

declare in interface Nametable

Parameters:

name - the name

value - the value

assign

public java.lang.Object assign(java.lang.String name,
                               java.lang.Object value)

Assign a variable in the name table

Specified by:

assign in interface Nametable

Parameters:

name - the name

value - the value

Returns:

the old value, or null

containsName

public boolean containsName(java.lang.String name)

Whether the nametable contains the name

Specified by:

containsName in interface Nametable

Parameters:

name - the name

Returns:

true if contains the name

access

public java.lang.Object access(java.lang.String name)

Access the value associated with name

Specified by:

access in interface Nametable

Parameters:

name -

Returns:

undeclare

public void undeclare(java.lang.String name)

Undeclare the name

Specified by:

undeclare in interface Nametable

Parameters:

name -

toString

public java.lang.String toString()

asMap

public java.util.Map asMap()

Return the name table as a map

Specified by:

asMap in interface Nametable

Returns:

unmodifiable map representation of the name table