ReferenceCounted.cc

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00001 /*---------------------------------------------------------------------\
00002 |                          ____ _   __ __ ___                          |
00003 |                         |__  / \ / / . \ . \                         |
00004 |                           / / \ V /|  _/  _/                         |
00005 |                          / /__ | | | | | |                           |
00006 |                         /_____||_| |_| |_|                           |
00007 |                                                                      |
00008 \---------------------------------------------------------------------*/
00012 #include <iostream>
00013 
00014 #include "zypp/base/Logger.h"
00015 #include "zypp/base/Exception.h"
00016 #include "zypp/base/ReferenceCounted.h"
00017 
00019 namespace zypp
00020 { 
00021 
00022   namespace base
00023   { 
00024 
00025     ReferenceCounted::ReferenceCounted()
00026     : _counter( 0 )
00027     {}
00028 
00029     ReferenceCounted::ReferenceCounted( const ReferenceCounted & /*rhs*/ )
00030     : _counter( 0 )
00031     {}
00032 
00033     ReferenceCounted::~ReferenceCounted()
00034     {
00035       if ( _counter )
00036         {
00037           INT << "~ReferenceCounted: nonzero reference count" << std::endl;
00038           throw std::out_of_range( "~ReferenceCounted: nonzero reference count" );
00039         }
00040     }
00041 
00042     void ReferenceCounted::unrefException() const
00043     {
00044       INT << "ReferenceCounted::unref: zero reference count" << std::endl;
00045       throw std::out_of_range( "ReferenceCounted::unref: zero reference count" );
00046     }
00047 
00048     std::ostream & ReferenceCounted::dumpOn( std::ostream & str ) const
00049     {
00050       return str << "ReferenceCounted(@" << (const void *)this
00051                  << "<=" << _counter << ")";
00052     }
00053 
00055   } // namespace base
00058 } // namespace zypp