StateMachineListener.h

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/*
 * Copyright (C) by
 *   MetraLabs GmbH (MLAB), GERMANY
 *  and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Redistribution and modification of this code is strictly prohibited.
 *
 * IN NO EVENT SHALL "MLAB" OR "NICR" BE LIABLE TO ANY PARTY FOR DIRECT,
 * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
 * THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF "MLAB" OR
 * "NICR" HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * "MLAB" AND "NICR" SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND "MLAB" AND "NICR" HAVE NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR MODIFICATIONS.
 */

#ifndef _MIRA_STATEMACHINELISTENER_H_
#define _MIRA_STATEMACHINELISTENER_H_

#include <sm/Transition.h>
#include <sm/TransitionTarget.h>


namespace mira { namespace sm {


class StateMachineListener
{
public:
    virtual ~StateMachineListener() {}

    virtual void onEntry(TransitionTargetPtr target) = 0;
    virtual void onExit(TransitionTargetPtr target) = 0;
    virtual void onTransition(TransitionTargetPtr from, TransitionTargetPtr to, TransitionPtr transition) = 0;
    virtual void onEvent(Event event) = 0;
};


}} // namespace

#endif