/// <summary>
/// Initializes the Presage word prediction engine.
/// </summary>
/// <returns>true on success</returns>
private bool initPresage()
{
bool retVal = true;
try
{
var presageDataDir = UserManager.GetFullPath("WordPredictors\\Presage");
_presage = new PresageClient();
var dbFileName = Path.Combine(presageDataDir, _presageSettings.DatabaseFileName);
_presage.set_config("Presage.Predictors.DefaultSmoothedNgramPredictor.DBFILENAME", dbFileName);
dbFileName = Path.Combine(presageDataDir, _presageSettings.LearningDatabaseFileName);
_presage.set_config("Presage.Predictors.UserSmoothedNgramPredictor.DBFILENAME", dbFileName);
_presage.set_config("Presage.Selector.REPEAT_SUGGESTIONS", "yes");
_presage.set_config("Presage.ContextTracker.ONLINE_LEARNING", "no");
_presage.save_config();
}
catch (Exception ex)
{
Log.Debug("Presage init error " + ex);
retVal = false;
}
return retVal;
}
/// <summary>
/// Sets presage config parameters to point to the
/// database file for the specified culture
/// </summary>
/// <param name="ci">culture</param>
/// <returns>true on success</returns>
protected virtual bool initDatabase(CultureInfo ci)
{
bool retVal = true;
try
{
// check if presage database file for the specified language exists.
var dbFileName = getDatabaseFilePath(ci, DatabaseFileName);
if (String.IsNullOrEmpty(dbFileName))
{
return(false);
}
cultureInfo = ci;
presage.set_config("Presage.Predictors.DefaultSmoothedNgramPredictor.DBFILENAME", dbFileName);
presage.set_config("Presage.PredictorRegistry.PREDICTORS",
"DefaultSmoothedNgramPredictor UserSmoothedNgramPredictor DefaultRecencyPredictor");
var learningdbFileName = getLearningDBFilePath(ci.TwoLetterISOLanguageName, LearningDBFileName);
presage.set_config("Presage.Predictors.UserSmoothedNgramPredictor.DBFILENAME", learningdbFileName);
presage.set_config("Presage.Selector.REPEAT_SUGGESTIONS", "yes");
presage.set_config("Presage.ContextTracker.ONLINE_LEARNING", "no");
}
catch (Exception ex)
{
Log.Debug("Error initializing Presage. " + ex);
retVal = false;
}
return(retVal);
}