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VwLearner.h
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1 /*
2  * Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
3  * embodied in the content of this file are licensed under the BSD
4  * (revised) open source license.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Written (W) 2011 Shashwat Lal Das
12  * Adaptation of Vowpal Wabbit v5.1.
13  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
14  */
15 
16 #ifndef _VW_LEARNER_H__
17 #define _VW_LEARNER_H__
18 
19 #include <shogun/lib/config.h>
20 
21 #include <shogun/base/SGObject.h>
22 #include <shogun/base/Parameter.h>
25 
26 namespace shogun
27 {
35 class CVwLearner: public CSGObject
36 {
37 public:
42  : CSGObject(), reg(NULL), env(NULL)
43  {
45  }
46 
53  CVwLearner(CVwRegressor* regressor, CVwEnvironment* vw_env)
54  : CSGObject(), reg(regressor), env(vw_env)
55  {
56  SG_REF(reg);
57  SG_REF(env);
59  }
60 
64  virtual ~CVwLearner()
65  {
66  if (reg)
67  SG_UNREF(reg);
68  if (env)
69  SG_UNREF(env);
70  }
71 
76  {
77  SG_ADD((CSGObject**) &reg, "vw_regressor", "Regressor object",
79  SG_ADD((CSGObject**) &env, "vw_env", "Environment",
81  }
82 
89  virtual void train(VwExample* &ex, float32_t update) = 0;
90 
96  virtual const char* get_name() const { return "VwLearner"; }
97 
98 protected:
103 };
104 }
105 #endif // _VW_LEARNER_H__

SHOGUN Machine Learning Toolbox - Documentation