FunctionAuthoriser (uk.gov.gchq.gaffer:gaffer2 2.3.1 API)

java.lang.Object
- uk.gov.gchq.gaffer.graph.hook.FunctionAuthoriser

All Implemented Interfaces:

GraphHook
```
public class FunctionAuthoriser
extends Object
implements GraphHook
```
The FunctionAuthoriser is a GraphHook which stops a user running Functions which have been banned. The Authoriser can be configured with unauthorised function classes.

Constructor Summary

Constructors
Constructor Description

FunctionAuthoriser()

FunctionAuthoriser(List<Class<? extends Function>> unauthorisedFunctions)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`List<Class<? extends Function>>`	`getUnauthorisedFunctions()`
`void`	`preExecute(OperationChain<?> opChain, Context context)`	Called from `Graph` before an `OperationChain` is executed.
`void`	`setUnauthorisedFunctions(List<Class<? extends Function>> unauthorisedFunctions)`

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

Methods inherited from interface uk.gov.gchq.gaffer.graph.hook.GraphHook
onFailure, postExecute

- Constructor Detail
  - FunctionAuthoriser
```
public FunctionAuthoriser()
```
  - FunctionAuthoriser
```
public FunctionAuthoriser(List<Class<? extends Function>> unauthorisedFunctions)
```
- Method Detail
  - preExecute
```
public void preExecute(OperationChain<?> opChain,
                       Context context)
```
    Description copied from interface: GraphHook
    
    Called from Graph before an OperationChain is executed.
    
    Specified by:
    
    preExecute in interface GraphHook
    
    Parameters:
    
    opChain - the OperationChain being executed. This can be modified/optimised in any GraphHook.
    
    context - the Context in which the operation chain was executed. The context also holds a reference to the original operation chain.
  - getUnauthorisedFunctions
```
public List<Class<? extends Function>> getUnauthorisedFunctions()
```
  - setUnauthorisedFunctions
```
public void setUnauthorisedFunctions(List<Class<? extends Function>> unauthorisedFunctions)
```