FunctionEvaluator (Pinot local segment implementations 0.12.1 API)

All Known Implementing Classes:

GroovyFunctionEvaluator, InbuiltFunctionEvaluator, TimeSpecFunctionEvaluator
```
public interface FunctionEvaluator
```
Interface for evaluators of transform function expressions of schema field specs

Method Summary

Modifier and Type	Method	Description
`Object`	`evaluate(Object[] values)`	Evaluates the function on the given values (same order as the arguments) and returns the result.
`Object`	`evaluate(GenericRow genericRow)`	Evaluate the function on the generic row and return the result
`List<String>`	`getArguments()`	Get the arguments of the function

- Method Detail
  - getArguments
```
List<String> getArguments()
```
    Get the arguments of the function
  - evaluate
```
Object evaluate(GenericRow genericRow)
```
    Evaluate the function on the generic row and return the result
  - evaluate
```
Object evaluate(Object[] values)
```
    Evaluates the function on the given values (same order as the arguments) and returns the result.