sjm.examples.sling
Class Scope

java.lang.Object
  |
  +--sjm.examples.sling.Scope

public class Scope

extends java.lang.Object

This class holds a collection of variables.

Field Summary

protected java.util.Hashtable

dictionary

Constructor Summary

Scope()

Method Summary

boolean	isDefined(java.lang.String name) Returns true if a variable of the given name appears in this scope.
Variable	lookup(java.lang.String name) Returns a variable of the given name from this scope.

Methods inherited from class java.lang.Object

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

Field Detail

dictionary

protected java.util.Hashtable dictionary

Constructor Detail

Scope

public Scope()

Method Detail

isDefined

public boolean isDefined(java.lang.String name)

Returns true if a variable of the given name appears in this scope.

Parameters:

String - the variable name

Returns:

true, if a variable of the given name appears in this scope.

lookup

public Variable lookup(java.lang.String name)

Returns a variable of the given name from this scope. If the so-named variable is not already in this scope, the scope will create it and add the variable to itself.

Parameters:

String - the variable name

Returns:

a variable of the given name from this scope