PLearn 0.1
DBSplitter.cc
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00001 // -*- C++ -*-
00002 
00003 // DBSplitter.cc
00004 //
00005 // Copyright (C) 2004 Marius Muja
00006 //
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 //
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 //
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 //
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 //
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 //
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 /* *******************************************************
00036  * $Id: DBSplitter.cc 6861 2007-04-09 19:04:15Z saintmlx $
00037  ******************************************************* */
00038 
00039 // Authors: Marius Muja
00040 
00044 #include "DBSplitter.h"
00045 #include <plearn/db/getDataSet.h>
00046 
00047 namespace PLearn {
00048 using namespace std;
00049 
00050 DBSplitter::DBSplitter()
00051     :Splitter(),
00052      databases(0)
00053 {
00054 }
00055 
00056 PLEARN_IMPLEMENT_OBJECT(DBSplitter,
00057                         "A Splitter that contains several databases.",
00058                         "The databases to be used can be specified with the 'databases' option. ");
00059 
00060 void DBSplitter::declareOptions(OptionList& ol)
00061 {
00062 
00063     declareOption(ol, "databases", &DBSplitter::databases, OptionBase::buildoption,
00064                   "Vector with the specifications of the databases to be used.");
00065 
00066     // Now call the parent class' declareOptions
00067     inherited::declareOptions(ol);
00068 }
00069 
00070 void DBSplitter::build_()
00071 {
00072 }
00073 
00074 // ### Nothing to add here, simply calls build_
00075 void DBSplitter::build()
00076 {
00077     inherited::build();
00078     build_();
00079 }
00080 
00081 void DBSplitter::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00082 {
00083     inherited::makeDeepCopyFromShallowCopy(copies);
00084 
00085     // ### Call deepCopyField on all "pointer-like" fields
00086     // ### that you wish to be deepCopied rather than
00087     // ### shallow-copied.
00088     // ### ex:
00089     // deepCopyField(trainvec, copies);
00090 
00091     // ### Remove this line when you have fully implemented this method.
00092     PLERROR("DBSplitter::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!");
00093 }
00094 
00095 int DBSplitter::nsplits() const
00096 {
00097     return databases.size();
00098 }
00099 
00100 int DBSplitter::nSetsPerSplit() const
00101 {
00102     return 1;
00103 }
00104 
00105 TVec<VMat> DBSplitter::getSplit(int k)
00106 {
00107     TVec<VMat> result;
00108     result.append(PLearn::getDataSet(databases[k]));
00109 
00110     return result;
00111 }
00112 
00113 
00114 } // end of namespace PLearn
00115 
00116 
00117 /*
00118   Local Variables:
00119   mode:c++
00120   c-basic-offset:4
00121   c-file-style:"stroustrup"
00122   c-file-offsets:((innamespace . 0)(inline-open . 0))
00123   indent-tabs-mode:nil
00124   fill-column:79
00125   End:
00126 */
00127 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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