properties = Environment.getProperties();
entityResolver = XMLHelper.DEFAULT_DTD_RESOLVER;
sqlFunctions = new HashMap<String, SQLFunction>();
entityTuplizerFactory = new EntityTuplizerFactory();
// componentTuplizerFactory = new ComponentTuplizerFactory();
identifierGeneratorFactory = new DefaultIdentifierGeneratorFactory();
mappedSuperClasses = new HashMap<Class<?>, MappedSuperclass>();