Functions

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 12:46:46 -0500 (Fri, 02 May 2008) $

Method Summary

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

- Method Detail
  - getUsedNamespaces
```
java.util.Set getUsedNamespaces()
```
    Returns all namespaces in which this function collection defines functions.
    
    Returns:
    
    Set
  - getFunction
```
Function getFunction(java.lang.String namespace,
                     java.lang.String name,
                     java.lang.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