/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

 /*

  * Copyright (c) 2008 INRIA

  *

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License version 2 as

  * published by the Free Software Foundation;

  *

  * This program 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program; if not, write to the Free Software

  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  *

  * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

  */

 #ifndef BOOLEAN_H

 #define BOOLEAN_H

 #include "attribute.h"

 #include "attribute-helper.h"

 namespace ns3 {

 /**

  * \ingroup attribute

  *

  * \brief Hold a bool native type

  *

  * \anchor bool

  *

  * This class can be used to hold bool variables

  * which must go through the Attribute system.

  */

 class BooleanValue : public AttributeValue

 {

 public:

   BooleanValue ();

   BooleanValue (bool value);

   void Set (bool value);

   bool Get (void) const;

   template <typename T>

   bool GetAccessor (T &v) const;

   operator bool () const;

   virtual Ptr<AttributeValue> Copy (void) const;

   virtual std::string SerializeToString (Ptr<const AttributeChecker> checker) const;

   virtual bool DeserializeFromString (std::string value, Ptr<const AttributeChecker> checker);

 private:

   bool m_value;

 };

 template <typename T>

 bool BooleanValue::GetAccessor (T &v) const

 {

   v = T (m_value);

   return true;

 }

 std::ostream & operator << (std::ostream &os, const BooleanValue &value);

 ATTRIBUTE_CHECKER_DEFINE (Boolean);

 ATTRIBUTE_ACCESSOR_DEFINE (Boolean);

 } // namespace ns3

 #endif /* BOOLEAN_H */