TreeMetaData (OpenAM Server Only 7.4.2 Documentation)

```
@SupportedAll
public interface TreeMetaData
```
Meta data API to expose data concerning the evaluating tree, to nodes who care for that data.

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default Optional<Integer>`	`getMaxAuthLevel(UUID nodeId, String outcome)`	Calculate maximum auth level which the evaluating tree can give from the specified node.

- Method Detail
  - getMaxAuthLevel
```
default Optional<Integer> getMaxAuthLevel(UUID nodeId,
                                          String outcome)
                                   throws NodeProcessException
```
    Calculate maximum auth level which the evaluating tree can give from the specified node.
    
    Parameters:
    
    nodeId - the ID of the current node
    
    outcome - the outcome of the current node
    
    Returns:
    
    maximum auth level which this tree can give
    
    Throws:
    
    NodeProcessException - if some internal error occurs whilst attempting to retrieve the max auth level