PLearn 0.1
|
00001 // -*- C++ -*- 00002 00003 // AutoVMatrix.cc 00004 // Copyright (C) 2002 Pascal Vincent 00005 // 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 00037 00038 /* ******************************************************* 00039 * $Id: AutoVMatrix.cc 8669 2008-03-12 18:00:10Z tihocan $ 00040 * This file is part of the PLearn library. 00041 ******************************************************* */ 00042 00043 00044 #include "AutoVMatrix.h" 00045 #include "MemoryVMatrix.h" 00046 #include <plearn/db/getDataSet.h> 00047 00048 namespace PLearn { 00049 using namespace std; 00050 00051 PLEARN_IMPLEMENT_OBJECT(AutoVMatrix, 00052 "Automatically builds an appropriate VMat given a" 00053 "filename.", 00054 "AutoVMatrix tries to load the given 'filename'" 00055 " (it will call getDataSet) and\n" 00056 "will be a wrapper around the appropriate VMatrix" 00057 " type, simply forwarding\n" 00058 "calls to it.\n" 00059 "Note that AutoVMatrix can NOT be used to access the" 00060 " UCI databases anymore.\n" 00061 "Consider using UCIDataVMatrix for that purpose.\n"); 00062 00063 AutoVMatrix::AutoVMatrix(const PPath& the_filename, bool load_in_memory) 00064 :filename(the_filename), load_data_in_memory(load_in_memory) 00065 { build_(); } 00066 00067 void AutoVMatrix::declareOptions(OptionList& ol) 00068 { 00069 declareOption(ol, "specification", &AutoVMatrix::filename, 00070 (OptionBase::learntoption | OptionBase::nosave), 00071 "DEPRECATED - Use 'filename' instead."); 00072 00073 declareOption(ol, "filename", &AutoVMatrix::filename, 00074 OptionBase::buildoption, 00075 "This is a file or directory path understood by getDataSet.\n" 00076 + getDataSetHelp()); 00077 00078 declareOption(ol, "load_in_memory", &AutoVMatrix::load_data_in_memory, 00079 OptionBase::buildoption, 00080 "Specify if we want to store data in memory" 00081 " (in a MemoryVMatrix).\n" 00082 "Default=false.\n"); 00083 // Now call the parent class' declareOptions 00084 inherited::declareOptions(ol); 00085 00086 // Hide the 'vm' option, that is overwritten at build time anyway. 00087 redeclareOption(ol, "vm", &AutoVMatrix::vm, OptionBase::nosave, ""); 00088 } 00089 00090 void AutoVMatrix::build_() 00091 { 00092 if(filename.isEmpty()) 00093 setVMat(VMat()); 00094 else if (load_data_in_memory) 00095 { 00096 VMat data = getDataSet(filename); 00097 VMat memdata = new MemoryVMatrix(data); 00098 setVMat(memdata); 00099 } 00100 else 00101 setVMat(getDataSet(filename)); 00102 } 00103 00104 void AutoVMatrix::build() 00105 { 00106 inherited::build(); 00107 build_(); 00108 } 00109 00111 // makeDeepCopyFromShallowCopy // 00113 void AutoVMatrix::makeDeepCopyFromShallowCopy(CopiesMap& copies) { 00114 inherited::makeDeepCopyFromShallowCopy(copies); 00115 } 00116 00117 } 00118 00119 00120 /* 00121 Local Variables: 00122 mode:c++ 00123 c-basic-offset:4 00124 c-file-style:"stroustrup" 00125 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00126 indent-tabs-mode:nil 00127 fill-column:79 00128 End: 00129 */ 00130 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :