boostsManager = new DynamicDataManager(boostsSize, baseDir);
scorer = new BoostsScorer(boostsManager, Maps.<Integer, ScoreFunction>newHashMap());
functionsManager = new UserFunctionsManager(scorer);
boolean someFunctionDefined = false;
String def0 = "0-A";
try {
functionsManager.addFunction(0, def0); // Default timestamp function
} catch (Exception ex) {