OpenTracker

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Module.h

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00042 /* ======================================================================= */
00043 
00044 #ifndef _MODULE_H
00045 #define _MODULE_H
00046 
00047 #include "../dllinclude.h"
00048 
00049 #include "ConfigNode.h"
00050 #include "StringTable.h"
00051 
00066 namespace ot {
00067 
00068     class OPENTRACKER_API Module
00069     {
00070         //members
00071     protected:
00073         int initialized;
00077         Context * context;
00078 
00079         //methods
00080     public:
00082         Module(): initialized(0), context(NULL) {};
00083 
00085         virtual ~Module() {};
00086 
00091         virtual void close() {};
00092 
00103         virtual void init(StringTable& attributes,  ConfigNode * localTree)
00104         {
00105             initialized = 1;
00106         };
00107 
00113         virtual void pullEvent() {};
00114 
00120         virtual void pushEvent() {};
00121 
00126         virtual void start() {};
00127 
00131         virtual int stop()
00132         {
00133             return 0;
00134         };
00135 
00139         int isInitialized()
00140         {
00141             return initialized;
00142         };
00143 
00144         friend class Context;
00145     };
00146 
00147 } // namespace ot
00148 
00149 #endif
00150 
00151 /* 
00152  * ------------------------------------------------------------
00153  *   End of Module.h
00154  * ------------------------------------------------------------
00155  *   Automatic Emacs configuration follows.
00156  *   Local Variables:
00157  *   mode:c++
00158  *   c-basic-offset: 4
00159  *   eval: (c-set-offset 'substatement-open 0)
00160  *   eval: (c-set-offset 'case-label '+)
00161  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00162  *   eval: (setq indent-tabs-mode nil)
00163  *   End:
00164  * ------------------------------------------------------------ 
00165  */

copyright (c) 2006 Graz University of Technology