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## org.apache.commons.jxpath
Interface 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: 1.5 $ $Date: 2003/03/11 00:59:12 $
Author:
  Dmitri Plotnikov

Method Summary
`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

    public java.util.Set getUsedNamespaces()

  Returns all namespaces in which this function collection defines functions.

### getFunction

    public 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.

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