de.fraunhofer.iese.ind2uce.api.component.interfaces

Interface IPolicyEnforcementPoint

All Superinterfaces:

IComponent, Serializable

public interface IPolicyEnforcementPoint
extends IComponent

Policy Enforcement Points intercept system events and communicate with the PDP to get a corresponding decision.

Author:

Fraunhofer IESE

Method Summary

Modifier and Type	Method and Description
void	enforce(Event event) * Enforces PDP decision to the event if any PDP subscribes to ActionID of the event.
void	enforceDecision(Event event, AuthorizationDecision decision) It enforces the authorization decision to the event.
AuthorizationDecision	getDecision(Event event) * It sends the event to subscribed PDP and returns AuthorizationDecision of PDP.

Methods inherited from interface de.fraunhofer.iese.ind2uce.api.component.interfaces.IComponent

getHealth, getId, initialize, reset

Method Detail

enforce

void enforce(Event event)
      throws InhibitException,
             EvaluationUndecidableException,
             IOException

* Enforces PDP decision to the event if any PDP subscribes to ActionID of the event.

Parameters:

event - to be sent to PDP and AuthorizationDecision to be enforced

Throws:

InhibitException - if event is not allowed by PDP

EvaluationUndecidableException - is thrown by PDP if it was not possible to evaluate

IOException - if there is a interruption in communication with PDP

enforceDecision

void enforceDecision(Event event,
                     AuthorizationDecision decision)
              throws InhibitException

It enforces the authorization decision to the event.

Parameters:

event - on what decision to be enforced

decision - which is to be enforced

Throws:

InhibitException - if event is not allowed by PDP

getDecision

AuthorizationDecision getDecision(Event event)
                           throws EvaluationUndecidableException,
                                  IOException

* It sends the event to subscribed PDP and returns AuthorizationDecision of PDP.

Parameters:

event - to be sent to subscribed PDP

Returns:

AuthorizationDecision which is returned by subscribed PDP

Throws:

EvaluationUndecidableException - is thrown by PDP if it was not possible to evaluate

IOException - if there is a interruption in communication with PDP