Transition.h

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/*
 *    scampl4cpp/engine
 *
 *    Copyright by European Southern Observatory, 2012
 *    All rights reserved
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation; either
 *    version 2.1 of the License, or (at your option) any later version.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 
 *    02111-1307 USA.
 */

/*
 * $Id: Transition.h 1139 2016-07-20 14:57:28Z landolfa $
 */

#ifndef SCXML4CPP_TRANSITION_H
#define SCXML4CPP_TRANSITION_H

#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif

#ifndef SCXML4CPP_HELPER_H
#include "scxml4cpp/Helper.h"
#endif

#ifndef SCXML4CPP_EVENT_H
#include "scxml4cpp/Event.h"
#endif

#include <string>
#include <list>

namespace scxml4cpp
{

class State;
class ExecutableContent;
class Action;
class Context;
class Helper;

class Transition
{
 public:
    Transition();
    virtual ~Transition();

    State* getSource();
    const Event& getEvent();
    std::list<State*>& getTargets();

    void addTarget(State* s);
    void addAction(Action* a);
    void addCondition(Action* c);

    ExecutableContent* getActions();
    ExecutableContent* getConditions();

    bool isEnabled(Context* c);
    bool isEnabled(const Event& e, Context* c);

    void setSource(State* source);
    void setTargets(std::list<State*>& targets);
    void setEvent(const Event& e);

 private:
    Event              mEvent;
    ExecutableContent* mConditions;
    ExecutableContent* mActions;
    State*             mSource;
    std::list<State*>  mTargets;
    Helper             mHelper;

    Transition(const Transition&);              
    Transition& operator= (const Transition&);  
};

}  // namespace scxml4cpp

#endif  // SCXML4CPP_TRANSITION_H