Function (JEval)

All Known Implementing Classes:

Abs, Acos, Asin, Atan, Atan2, Ceil, CharAt, CompareTo, CompareToIgnoreCase, Concat, Cos, EndsWith, Equals, EqualsIgnoreCase, Eval, Exp, Floor, IEEEremainder, IndexOf, LastIndexOf, Left, Length, Log, Max, Min, Pow, Random, RegexMatches, Replace, ReplaceOnce, ReplaceStr, Right, Rint, Round, Sin, Split, Sqrt, StartsWith, Substring, Tan, TextLines, ToDegrees, ToLowerCase, ToRadians, ToUpperCase, Trim
```
public interface Function
```
A function that can be specified in an expression.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`FunctionResult`	`execute(Evaluator evaluator, java.lang.String arguments)`	Executes the function for the specified argument.
`java.lang.String`	`getName()`	Returns the name of the function.

- Method Detail
  - getName
```
java.lang.String getName()
```
    Returns the name of the function.
    
    Returns:
    
    The name of this function class.
  - execute
```
FunctionResult execute(Evaluator evaluator,
                       java.lang.String arguments)
                throws FunctionException
```
    Executes the function for the specified argument. This method is called internally by Evaluator.
    
    Parameters:
    
    evaluator - An instance of Evaluator.
    
    arguments - The arguments that will be evaluated by the function. It is up to the function implementation to break the string into one or more arguments.
    
    Returns:
    
    The value of the evaluated argument and its type.
    
    Throws:
    
    FunctionException - thrown if the argument(s) are not valid for this function