# Uses of Interface
org.apache.commons.jxpath.Function

Packages that use Function
Package
Description
org.apache.commons.jxpath
Public, abstract part of JXPath: interfaces and configuration.
org.apache.commons.jxpath.functions
Implementations of Java class-based extension functions.
org.apache.commons.jxpath.ri
Reference implementation of JXPath.
org.apache.commons.jxpath.ri.axes
Implementations of EvalContext used for different XPath axes (child::, parent:: etc).

- ## Uses of Function in org.apache.commons.jxpath

  Methods in org.apache.commons.jxpath that return Function
  Modifier and Type
  Method
  Description
  `Function`
  ClassFunctions.`getFunction(String namespace, String name, Object[] parameters)`
  Returns a `Function`, if any, for the specified namespace, name and parameter types.
  `Function`
  FunctionLibrary.`getFunction(String namespace, String name, Object[] parameters)`
  Gets a Function, if any, for the specified namespace, name and parameter types.
  `Function`
  Functions.`getFunction(String namespace, String name, Object[] parameters)`
  Gets a Function, if any, for the specified namespace, name and parameter types.
  `Function`
  PackageFunctions.`getFunction(String namespace, String name, Object[] parameters)`
  Returns a `Function`, if found, for the specified namespace, name and parameter types.

- ## Uses of Function in org.apache.commons.jxpath.functions

  Classes in org.apache.commons.jxpath.functions that implement Function
  Modifier and Type
  Class
  Description
  `class`
  `ConstructorFunction`
  An extension function that creates an instance using a constructor.
  `class`
  `MethodFunction`
  An XPath extension function implemented as an individual Java method.

- ## Uses of Function in org.apache.commons.jxpath.ri

  Methods in org.apache.commons.jxpath.ri that return Function
  Modifier and Type
  Method
  Description
  `Function`
  JXPathContextReferenceImpl.`getFunction(QName functionName, Object[] parameters)`
  Gets the named Function.

- ## Uses of Function in org.apache.commons.jxpath.ri.axes

  Methods in org.apache.commons.jxpath.ri.axes that return Function
  Modifier and Type
  Method
  Description
  `Function`
  RootContext.`getFunction(QName functionName, Object[] parameters)`
  Gets the specified function from the context.