public DatabaseQueryProcessor(DatabaseQueryProcessorSettings settingsIn = null)
{
if (settingsIn == null)
{
settingsIn = DatabaseQueryProcessorSettings.GenerateDefaultSettings();
}
KeywordTagger = AveragedPerceptronTagger.GetTagger();
var keywordPredictorType = Type.GetType("OldManInTheShopServer.Models.KeywordPrediction." + settingsIn.KeywordPredictorIdString);
if (keywordPredictorType == null)
{
throw new NullReferenceException("Type string " + settingsIn.KeywordPredictorIdString + " was not found matching a known class in KeywordPrediction");
}
try
{
KeywordPredictor = keywordPredictorType.GetMethod("GetGlobalModel").Invoke(null, null) as IKeywordPredictor;
} catch (NullReferenceException e)
{
Console.WriteLine("Type " + settingsIn.KeywordPredictorIdString + " did not contain a GetGlobalModel method. It needs to have one.");
throw e;
}
if (KeywordPredictor == null)
{
throw new InvalidCastException("Loaded class could not be cast to IKeywordPredictor");
}
var keywordClustererType = Type.GetType("OldManInTheShopServer.Models.KeywordClustering." + settingsIn.KeywordClustererIdString);
if (keywordClustererType == null)
{
throw new NullReferenceException("Type string " + settingsIn.KeywordClustererIdString + " was not found matching a known class in KeywordClustering");
}
KeywordClusterer = keywordClustererType.GetConstructor(new Type[0]).Invoke(null) as IDatabaseKeywordClusterer;
if (KeywordClusterer == null)
{
throw new InvalidCastException("Loaded class could not be cast to IDatabaseKeywordClusterer");
}
var problemPredictorType = Type.GetType("OldManInTheShopServer.Models.QueryProblemPrediction." + settingsIn.ProblemPredictorIdString);
if (keywordPredictorType == null)
{
throw new NullReferenceException("Type string " + settingsIn.ProblemPredictorIdString + " was not found matching a known class in QueryProblemPrediction");
}
ProblemPredictor = problemPredictorType.GetConstructor(new Type[0]).Invoke(null) as IDatabaseQueryProblemPredictor;
if (ProblemPredictor == null)
{
throw new InvalidCastException("Loaded class could not be cast to IDatabaseQueryProblemPredictor");
}
}
public static DatabaseQueryProcessorSettings GenerateDefaultSettings()
{
DatabaseQueryProcessorSettings ret = new DatabaseQueryProcessorSettings()
{
TaggerFilePath = "InitialData/averaged_perceptron_tagger.ans",
KeywordPredictorFilePath = "InitialData/nb_keyword_predictor.ans",
KeywordClustererIdString = "DatabaseKeywordSimilarityClusterer",
KeywordPredictorIdString = "NaiveBayesKeywordPredictor",
ProblemPredictorIdString = "DatabaseQueryProblemPredictor"
};
return(ret);
}
public static DatabaseQueryProcessorSettings RetrieveCompanySettings(MySqlDataManipulator manipulator, int companyId)
{
DatabaseQueryProcessorSettings companySettings = new DatabaseQueryProcessorSettings();
List <CompanySettingsEntry> settings = manipulator.GetCompanySettings(companyId);
foreach (CompanySettingsEntry setting in settings)
{
if (CompanySettingsKey.KeywordClusterer.Equals(setting.SettingKey))
{
if (setting.SettingValue.Equals("Similarity"))
{
companySettings.KeywordClustererIdString = "DatabaseKeywordSimilarityClusterer";
}
else
{
companySettings.KeywordClustererIdString = "DatabaseKeywordSimilarityClusterer";
}
}
else if (CompanySettingsKey.KeywordPredictor.Equals(setting.SettingKey))
{
if (setting.SettingValue.Equals("Bayesian"))
{
companySettings.KeywordPredictorIdString = "NaiveBayesKeywordPredictor";
}
else
{
companySettings.KeywordPredictorIdString = "NaiveBayesKeywordPredictor";
}
}
else if (CompanySettingsKey.ProblemPredictor.Equals(setting.SettingKey))
{
if (setting.SettingValue.Equals("Database"))
{
companySettings.ProblemPredictorIdString = "DatabaseQueryProblemPredictor";
}
else
{
companySettings.ProblemPredictorIdString = "DatabaseQueryProblemPredictor";
}
}
}
return(companySettings);
}
