UiTokenService (ONOS Java API (2.2.3))

```
public interface UiTokenService
```
Service for handling UI session tokens.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`UiSessionToken`	`issueToken(java.lang.String username)`	Issues a session token.
`boolean`	`isTokenValid(UiSessionToken token)`	Returns true if the specified token is currently in the distributed map of valid UI session tokens.
`void`	`revokeToken(UiSessionToken token)`	Revokes the specified session token.

- Method Detail
  - issueToken
```
UiSessionToken issueToken(java.lang.String username)
```
    Issues a session token. The service will generate a new token, publish it in the distributed map of valid UI session tokens, and return it to the caller.
    
    Parameters:
    
    username - the username to be associated with the token.
    
    Returns:
    
    the token
  - revokeToken
```
void revokeToken(UiSessionToken token)
```
    Revokes the specified session token. The service will remove the token from the distributed map of valid UI session tokens.
    
    Parameters:
    
    token - the token to be revoked
  - isTokenValid
```
boolean isTokenValid(UiSessionToken token)
```
    Returns true if the specified token is currently in the distributed map of valid UI session tokens.
    
    Parameters:
    
    token - the token to check
    
    Returns:
    
    true, if the token is currently valid; false otherwise