AuthorizationMethod (DMX 5.4-SNAPSHOT API)

```
public interface AuthorizationMethod
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Topic checkCredentials(Credentials cred)
  Checks if the given credentials are valid.

- Method Detail
  - checkCredentials
```
Topic checkCredentials(Credentials cred)
```
    Checks if the given credentials are valid.
    
    Returns:
    
    the corresponding Username topic if the credentials are valid, or null otherwise.