Functions (Apache Commons JXPath 1.4-SNAPSHOT API)

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Summary:
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Method

Detail:
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All Known Implementing Classes:

ClassFunctions, FunctionLibrary, PackageFunctions
```
public interface Functions
```
A group of Function objects sharing a common namespace or a set of common namespaces. Use the classes ClassFunctions and PackageFunctions to register extension functions implemented as Java methods.

Version:

$Revision: 652845 $ $Date: 2008-05-02 19:46:46 +0200 (Fr, 02 Mai 2008) $

Author:

Dmitri Plotnikov

Method Summary

Methods
Modifier and Type	Method and Description
`Function`	`getFunction(String namespace, String name, Object[] parameters)` Returns a Function, if any, for the specified namespace, name and parameter types.
`Set`	`getUsedNamespaces()` Returns all namespaces in which this function collection defines functions.

- Method Detail
  - getUsedNamespaces
```
Set getUsedNamespaces()
```
    Returns all namespaces in which this function collection defines functions.
    
    Returns:
    Set
  - getFunction
```
Function getFunction(String namespace,
                   String name,
                   Object[] parameters)
```
    Returns a Function, if any, for the specified namespace, name and parameter types.
    
    Parameters:
    namespace - ns
    name - function name
    parameters - Object[]
    
    Returns:
    Function

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