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76 lines (57 loc) · 1.51 KB
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/*++
Revision History:
Date: Jun 28, 2024.
Author: Rajas Chavadekar.
Desc: Created.
--*/
#include "TextClassifierFactory.h"
TextClassifierFactory::TextClassifierFactory()
{
}
TextClassifierFactory::~TextClassifierFactory()
{
}
TextClassifierFactory::Product TextClassifierFactory::getTextClassifier(int vectorizer_id, int classifier_id)
{
shared_ptr<BaseClassifier> pclsfr = nullptr;
BaseVectorizer *pVec = NULL;
switch (vectorizer_id)
{
case ID_VECTORIZER_COUNT:
pVec = new CountVectorizer();
break;
case ID_VECTORIZER_TFIDF:
pVec = new TfidfVectorizer();
break;
default:
return nullptr;
}
pVec->setBinary(false);
pVec->setCaseSensitive(false);
pVec->setIncludeStopWords(false);
switch (classifier_id)
{
case ID_CLASSIFIER_NAIVEBAYESCLASSIFIER:
pclsfr = make_shared<NaiveBayesClassifier>(pVec);
break;
case ID_CLASSIFIER_LOGISTICREGRESSIONCLASSIFIER:
pclsfr = make_shared<LogisticRegressionClassifier>(pVec);
break;
case ID_CLASSIFIER_SVCCLASSIFIER:
pclsfr = make_shared<SVCClassifier>(pVec);
break;
case ID_CLASSIFIER_KNNCLASSIFIER:
pclsfr = make_shared<KNNClassifier>(pVec);
break;
case ID_CLASSIFIER_RANDOMFORESTCLASSIFIER:
pclsfr = make_shared<RandomForestClassifier>(pVec);
break;
case ID_CLASSIFIER_GRADIENTBOOSTINGCLASSIFIER:
pclsfr = make_shared<GradientBoostingClassifier>(pVec);
break;
default:
delete pVec;
return nullptr;
}
return pclsfr;
}