def update(self, document=None, safe=True, callback=None):
"""Update a document
:Parameters:
- `safe` (optional): safe update operation
- `callback` : method which will be called when update is finished
"""
pre_update.send(instance=self)
if not document:
document = self.as_dict()
database = Database()
collection_name = database.get_collection_name(self.__collection__)
spec = {'_id': self._id}
message_update = message.update(collection_name, False,
False, spec, document, safe, {})
response, error = yield gen.Task(database.send_message, message_update)
post_update.send(instance=self)
if callback:
callback((response, error))
def save(self, safe=True, callback=None):
"""Save a document
:Parameters:
- `safe` (optional): safe insert operation
- `callback` : method which will be called when save is finished
"""
pre_save.send(instance=self)
database = Database()
collection_name = database.get_collection_name(self.__collection__)
message_insert = message.insert(collection_name, [self.as_dict()],
True, safe, {})
response, error = yield gen.Task(database.send_message, message_insert)
post_save.send(instance=self)
if callback:
callback((response, error))
def remove(self, safe=True, callback=None):
"""Remove a document
:Parameters:
- `safe` (optional): safe remove operation
- `callback` : method which will be called when remove is finished
"""
pre_remove.send(instance=self)
database = Database()
collection_name = database.get_collection_name(self.__collection__)
message_delete = message.delete(collection_name, {'_id': self._id},
safe, {})
response, error = yield gen.Task(database.send_message, message_delete)
post_remove.send(instance=self)
if callback:
callback((response, error))