XPathContext (Apache Commons SCXML 2.0-SNAPSHOT API)

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Summary:
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Detail:
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java.lang.Object
- org.apache.commons.scxml2.env.SimpleContext
- - org.apache.commons.scxml2.env.xpath.XPathContext

All Implemented Interfaces:

Serializable, org.apache.commons.jxpath.Variables, Context
```
public class XPathContext
extends SimpleContext
implements Context, org.apache.commons.jxpath.Variables
```
A Context implementation for JXPath environments.

See Also:
Serialized Form

Field Summary
- Fields inherited from class org.apache.commons.scxml2.env.SimpleContext
  systemContext
- Fields inherited from interface org.apache.commons.scxml2.Context
  NAMESPACES_KEY

Constructor Summary

Constructors
Constructor and Description

XPathContext()
No argument constructor.

XPathContext(Context parent)
Constructor for cascading contexts.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`declareVariable(String varName, Object value)`
`Object`	`getVariable(String varName)`
`boolean`	`isDeclaredVariable(String varName)`
`void`	`undeclareVariable(String varName)`

Methods inherited from class org.apache.commons.scxml2.env.SimpleContext
get, getLog, getParent, getSystemContext, getVars, has, hasLocal, reset, set, setLocal, setLog, setVars

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.commons.scxml2.Context
get, getParent, getSystemContext, getVars, has, hasLocal, reset, set, setLocal

- Constructor Detail
  - XPathContext
```
public XPathContext()
```
    No argument constructor.
  - XPathContext
```
public XPathContext(Context parent)
```
    Constructor for cascading contexts.
    
    Parameters:
    parent - The parent context. Can be null.
- Method Detail
  - isDeclaredVariable
```
public boolean isDeclaredVariable(String varName)
```
    Specified by:
    
    isDeclaredVariable in interface org.apache.commons.jxpath.Variables
  - getVariable
```
public Object getVariable(String varName)
```
    Specified by:
    
    getVariable in interface org.apache.commons.jxpath.Variables
  - declareVariable
```
public void declareVariable(String varName,
                   Object value)
```
    Specified by:
    
    declareVariable in interface org.apache.commons.jxpath.Variables
  - undeclareVariable
```
public void undeclareVariable(String varName)
```
    Specified by:
    
    undeclareVariable in interface org.apache.commons.jxpath.Variables

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