# An abstract class template for query handler factory return object
# try a 'naive' implementation without using abc
class QueryHandlerAbstract():
    def __init__(self):
        if type(self) is QueryHandlerAbstract:
            raise Exception("QueryHandlerAbstract is an abstract class and can't be instantiated")
    
    def query(self, queryData, pandas=False, dbFile=None):
        raise Exception("Method not implemented")
    
    def textQuery(self, queryData):
        raise Exception("Method not implemented")