PLearn 0.1
ObjectGenerator.h
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00001 // -*- C++ -*-
00002 
00003 // ObjectGenerator.h
00004 // Copyright (C) 2004 Rejean Ducharme
00005 //
00006 // Redistribution and use in source and binary forms, with or without
00007 // modification, are permitted provided that the following conditions are met:
00008 // 
00009 //  1. Redistributions of source code must retain the above copyright
00010 //     notice, this list of conditions and the following disclaimer.
00011 // 
00012 //  2. Redistributions in binary form must reproduce the above copyright
00013 //     notice, this list of conditions and the following disclaimer in the
00014 //     documentation and/or other materials provided with the distribution.
00015 // 
00016 //  3. The name of the authors may not be used to endorse or promote
00017 //     products derived from this software without specific prior written
00018 //     permission.
00019 // 
00020 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00021 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00022 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00023 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00024 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00025 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 // 
00031 // This file is part of the PLearn library. For more information on the PLearn
00032 // library, go to the PLearn Web site at www.plearn.org
00033 
00034 /* *******************************************************      
00035  * $Id: ObjectGenerator.h 3994 2005-08-25 13:35:03Z chapados $
00036  ******************************************************* */
00037 
00038 #include <plearn/base/Object.h>
00039 #include <plearn/math/TVec.h>
00040 
00041 #ifndef ObjectGenerator_INC
00042 #define ObjectGenerator_INC
00043 
00044 namespace PLearn {
00045 using namespace std;
00046 
00047 class ObjectGenerator: public Object
00048 {
00049 private:
00050     typedef Object inherited;
00051 
00052 protected:
00053 
00055     bool generation_began;
00056 
00057 public:
00058 
00060     PP<Object> template_object;
00061 
00062 
00063     // ******************
00064     // * Object methods *
00065     // ******************
00066 
00067 private:
00068     void build_();
00069 
00070 protected:
00071     static void declareOptions(OptionList& ol);
00072 
00073 public:
00074 
00076     ObjectGenerator();
00077 
00080     virtual PP<Object> generateNextObject() = 0;
00081 
00084     virtual TVec< PP<Object> > generateAllObjects();
00085 
00087     virtual void build();
00088 
00089     virtual void forget();
00090 
00092     PLEARN_DECLARE_ABSTRACT_OBJECT(ObjectGenerator);
00093 };
00094 
00095 // Declares a few other classes and functions related to this class
00096 DECLARE_OBJECT_PTR(ObjectGenerator);
00097 
00098 } // end of namespace PLearn
00099 
00100 #endif // ObjectGenerator_INC
00101 
00102 
00103 /*
00104   Local Variables:
00105   mode:c++
00106   c-basic-offset:4
00107   c-file-style:"stroustrup"
00108   c-file-offsets:((innamespace . 0)(inline-open . 0))
00109   indent-tabs-mode:nil
00110   fill-column:79
00111   End:
00112 */
00113 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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