Function (uk.gov.gchq.gaffer:gaffer2 2.2.0 API)

All Known Implementing Classes:

Aggregate, Filter, Transform
```
public interface Function
```
A Function is a Gaffer Operation that can be applied in an OperationChain.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Map<String,?>`	`getEdges()`	Should return a `Map` of `Edge` group to an `Element` Function, eg.
`Map<String,?>`	`getEntities()`	Should return a `Map` of `Entity` group to an `Element` Function, eg.

- Method Detail
  - getEdges
```
Map<String,?> getEdges()
```
    Should return a Map of Edge group to an Element Function, eg. an ElementFilter This is to enable generic handling of each of the implementations of Function.
    
    Returns:
    
    A map of Edge group to Element Function
  - getEntities
```
Map<String,?> getEntities()
```
    Should return a Map of Entity group to an Element Function, eg. an ElementFilter This is to enable generic handling of each of the implementations of Function.
    
    Returns:
    
    A map of Entity group to Element Function