Function (Openllet :: Core 2.6.5 API)

All Known Implementing Classes:

NumericAdapter, StringFunctionAdapter
```
public interface Function
```
Title: Function

Description: Interface for built-ins that can bind the first argument to a built-in atom to a new value.

Copyright: Copyright (c) 2007

Company: Clark & Parsia, LLC.

Author:

Ron Alford

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Literal`	`apply(ABox abox, Literal expected, Literal... args)`	Apply the function against a set of arguments.

- Method Detail
  - apply
```
Literal apply(ABox abox,
              Literal expected,
              Literal... args)
```
    Apply the function against a set of arguments. Test the _expected argument against the result. Return null if the arguments were invalid. If '_expected' was not null and matched the result, return '_expected'. If '_expected' was not null and did not match, return null; Otherwise, return the result.
    
    Parameters:
    
    abox -
    
    expected -
    
    args -
    
    Returns:
    
    the literal that result of the application of the function again the Abox