org.exolab.adaptx.xpath
Class VariableSet

java.lang.Object
  extended by org.exolab.adaptx.xpath.VariableSet
All Implemented Interfaces:
java.io.Serializable
Direct Known Subclasses:
VariableSetImpl

public abstract class VariableSet
extends java.lang.Object
implements java.io.Serializable

An abstract class which allows the use of variables when evaluating XPath expressions. A variable is a binding between a string name and an XPathResult.

Version:
$Revision: 3633 $
Author:
Keith Visco
See Also:
XPathResult, XPathExpression, Serialized Form

Constructor Summary
VariableSet()
           
 
Method Summary
abstract  XPathResult getVariable(java.lang.String name)
          Returns the value of a variable.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

VariableSet

public VariableSet()
Method Detail

getVariable

public abstract XPathResult getVariable(java.lang.String name)
Returns the value of a variable. Returns null if a variable with this name was not found in this variable bindings.

Parameters:
name - The variable name
Returns:
The variable's value as an XPathResult, or null