FunctionMapper (Camunda Platform Javadocs 7.16.18-ee)

java.lang.Object
- org.camunda.bpm.engine.impl.javax.el.FunctionMapper

Direct Known Subclasses:

CommandContextFunctionMapper, CompositeFunctionMapper, DateTimeFunctionMapper, SpinFunctionMapper
```
public abstract class FunctionMapper
extends java.lang.Object
```
The interface to a map between EL function names and methods. A FunctionMapper maps ${prefix:name()} style functions to a static method that can execute that function.

Constructor Summary

Constructors
Constructor Description

FunctionMapper()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract java.lang.reflect.Method`	`resolveFunction(java.lang.String prefix, java.lang.String localName)`	Resolves the specified prefix and local name into a java.lang.Method.

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

- Constructor Detail
  - FunctionMapper
```
public FunctionMapper()
```
- Method Detail
  - resolveFunction
```
public abstract java.lang.reflect.Method resolveFunction(java.lang.String prefix,
                                                         java.lang.String localName)
```
    Resolves the specified prefix and local name into a java.lang.Method. Returns null if no function could be found that matches the given prefix and local name.
    
    Parameters:
    
    prefix - the prefix of the function, or "" if no prefix. For example, "fn" in ${fn:method()}, or "" in ${method()}.
    
    localName - the short name of the function. For example, "method" in ${fn:method()}.
    
    Returns:
    
    the static method to invoke, or null if no match was found.