text: ///////////////////////////////////////////////////////////////////////////////
  // BSD 3-Clause License
  //
  // Copyright (c) 2019, Nefelus Inc
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  // * Redistributions of source code must retain the above copyright notice, this
  //   list of conditions and the following disclaimer.
  //
  // * Redistributions in binary form must reproduce the above copyright notice,
  //   this list of conditions and the following disclaimer in the documentation
  //   and/or other materials provided with the distribution.
  //
  // * Neither the name of the copyright holder nor the names of its
  //   contributors may be used to endorse or promote products derived from
  //   this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef ADS_DB_MPIN_H
  #define ADS_DB_MPIN_H
  
  #ifndef ADS_H
  #include "ads.h"
  #endif
  
  #ifndef ADS_DB_ID_H
  #include "dbId.h"
  #endif
  
  #ifndef ADS_DB_OBJECT_H
  #include "dbObject.h"
  #endif
  
  namespace odb {
  
  class _dbMTerm;
  class _dbBox;
  class _dbDatabase;
  class dbIStream;
  class dbOStream;
  class dbDiff;
  
  class _dbMPin : public dbObject
  {
    public:
      // PERSISTANT-MEMBERS
      dbId<_dbMTerm>  _mterm;
      dbId<_dbBox>    _geoms;
      dbId<_dbMPin>   _next_mpin;
  
      _dbMPin( _dbDatabase *, const _dbMPin & p );
      _dbMPin( _dbDatabase * );
      ~_dbMPin();
  
      bool operator==( const _dbMPin & rhs ) const;
      bool operator!=( const _dbMPin & rhs ) const { return ! operator==(rhs); }
      void differences( dbDiff & diff, const char * field, const _dbMPin & rhs ) const;
      void out( dbDiff & diff, char side, const char * field ) const;
  };
  
  dbOStream & operator<<( dbOStream & stream, const _dbMPin & mpin );
  dbIStream & operator>>( dbIStream & stream, _dbMPin & mpin );
  
  } // namespace
  
  #endif
  