def changeSignal(self, _host, _signal, **params):
if not arrays_equal(self.__data_vector__.signal, _signal):
self.__data_vector__.signal = _signal
for host in self.__data_vector_listeners__:
if not _host == host: # to avoid recurrence
self.__data_vector_listeners__[host].changeSignal(_signal,
**params)
def changeAnnotation(self, _host, _annotation, **params):
if not arrays_equal(self.__data_vector__.annotation, _annotation):
self.__data_vector__.annotation = _annotation
for host in self.__data_vector_listeners__:
if not _host == host: # to avoid recurrence
self.__data_vector_listeners__[host].changeAnnotation(
_annotation, **params)
def restore(self, **params):
"""
method used to be invoked to restore original state of data vector
"""
if arrays_equal(self.__data_vector__.signal,
self.__data_vector0__.signal) and \
arrays_equal(self.__data_vector__.annotation,
self.__data_vector0__.annotation):
return
self.__data_vector__ = None
gc.collect() # to force garbage collection
self.__data_vector__ = self.__data_vector0__.copy()
for host in self.__data_vector_listeners__:
self.__data_vector_listeners__[host].changeSignal(
self.__data_vector__.signal, **params)
self.__data_vector_listeners__[host].changeAnnotation(
self.__data_vector__.annotation, **params)
