objfactory.cc

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00001 /** @file nub/objfactory.cc generic factory for creating objects given
00002     a type name */
00003 ///////////////////////////////////////////////////////////////////////
00004 //
00005 // Copyright (c) 1999-2004 California Institute of Technology
00006 // Copyright (c) 2004-2007 University of Southern California
00007 // Rob Peters <rjpeters at usc dot edu>
00008 //
00009 // created: Wed Jun 30 15:01:02 1999
00010 // commit: $Id: objfactory.cc 8249 2007-04-12 06:03:40Z rjpeters $
00011 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/nub/objfactory.cc $
00012 //
00013 // --------------------------------------------------------------------
00014 //
00015 // This file is part of GroovX.
00016 //   [http://ilab.usc.edu/rjpeters/groovx/]
00017 //
00018 // GroovX is free software; you can redistribute it and/or modify it
00019 // under the terms of the GNU General Public License as published by
00020 // the Free Software Foundation; either version 2 of the License, or
00021 // (at your option) any later version.
00022 //
00023 // GroovX is distributed in the hope that it will be useful, but
00024 // WITHOUT ANY WARRANTY; without even the implied warranty of
00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00026 // General Public License for more details.
00027 //
00028 // You should have received a copy of the GNU General Public License
00029 // along with GroovX; if not, write to the Free Software Foundation,
00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00031 //
00032 ///////////////////////////////////////////////////////////////////////
00033 
00034 #ifndef GROOVX_NUB_OBJFACTORY_CC_UTC20050626084019_DEFINED
00035 #define GROOVX_NUB_OBJFACTORY_CC_UTC20050626084019_DEFINED
00036 
00037 #include "objfactory.h"
00038 
00039 namespace
00040 {
00041   nub::obj_factory* s_instance = 0;
00042 }
00043 
00044 nub::obj_factory::obj_factory() :
00045   rutz::factory<soft_ref<nub::object> >() {}
00046 
00047 nub::obj_factory::~obj_factory() throw() {}
00048 
00049 nub::obj_factory& nub::obj_factory::instance()
00050 {
00051   if (s_instance == 0)
00052     {
00053       s_instance = new obj_factory;
00054     }
00055   return *s_instance;
00056 }
00057 
00058 static const char __attribute__((used)) vcid_groovx_nub_objfactory_cc_utc20050626084019[] = "$Id: objfactory.cc 8249 2007-04-12 06:03:40Z rjpeters $ $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/nub/objfactory.cc $";
00059 #endif // !GROOVX_NUB_OBJFACTORY_CC_UTC20050626084019_DEFINED
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