handle.h

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/*
 *   Copyright 2014-2015 The 4S Foundation (www.4s-online.dk)
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

#ifndef HANDLE_H
#define HANDLE_H

#include <cstdint>

namespace FSYS
{
  class Handle
  {
    int64_t handle;

    int64_t getNextHandle( void );
  public:

    Handle( void ) {handle = getNextHandle();}

    Handle( Handle &ref ) : handle(ref.handle) {}

    Handle( const Handle &ref ) : handle(ref.handle) {}

    inline Handle& operator= (Handle const &theOtherOne) {handle = theOtherOne.handle; return *this;}

    inline bool operator==(Handle const &compareTo) const
    {
      return (this->handle == compareTo.handle);
    }

    inline bool operator!=(Handle const &compareTo) const
    {
      return (this->handle != compareTo.handle);
    }

    inline bool operator>(Handle const &compareTo) const
    {
      return (this->handle > compareTo.handle);
    }

    inline bool operator<(Handle const &compareTo) const
    {
      return (this->handle < compareTo.handle);
    }

    static Handle &broadCastHandle( void );

    static Handle &null( void );
  };
}

#endif // HANDLE_H