def to_object(self, data):
"""
Deserialize input data
:param data: serialized input Data object
:return: Deserialized object
"""
if not isinstance(data, Data):
return data
if is_null_data(data):
return None
inp = self._create_data_input(data)
try:
type_id = data.get_type()
serializer = self._registry.serializer_by_type_id(type_id)
if serializer is None:
if self._active:
raise HazelcastSerializationError(
"Missing Serializer for type-id:{}".format(type_id))
else:
raise HazelcastInstanceNotActiveError()
return serializer.read(inp)
except Exception as e:
handle_exception(e)
finally:
pass
def read_object(self, inp):
try:
type_id = inp.read_int()
serializer = self._registry.serializer_by_type_id(type_id)
if serializer is None:
if self._active:
raise HazelcastSerializationError("Missing Serializer for type-id:{}".format(type_id))
else:
raise HazelcastInstanceNotActiveError()
return serializer.read(inp)
except:
handle_exception(sys.exc_info()[1], sys.exc_info()[2])
def serializer_for(self, obj):
"""
Searches for a serializer for the provided object
Serializers will be searched in this order;
1-NULL serializer
2-Default serializers, like primitives, arrays, string and some default types
3-Custom registered types by user
4-Global serializer if registered by user
4-pickle serialization as a fallback
:param obj: input object
:return: Serializer
"""
# 1-NULL serializer
if obj is None:
return self._null_serializer
obj_type = type(obj)
# 2-Default serializers, Dataserializable, Portable, primitives, arrays, String and some helper types(BigInteger etc)
serializer = self.lookup_default_serializer(obj_type, obj)
# 3-Custom registered types by user
if serializer is None:
serializer = self.lookup_custom_serializer(obj_type)
# 5-Global serializer if registered by user
if serializer is None:
serializer = self.lookup_global_serializer(obj_type)
# 4 Internal serializer
if serializer is None:
serializer = self.lookup_python_serializer(obj_type)
if serializer is None:
if self._active:
raise HazelcastSerializationError(
"There is no suitable serializer for:" + str(obj_type))
else:
raise HazelcastInstanceNotActiveError()
return serializer