def add(self):
new_storage_info = m.SnapshotStorage(
ident=self.storage_ident,
parent_ident=self.parent_ident,
parent_timestamp=self.parent_timestamp,
type=self.type,
disk_bytes=self.disk_bytes,
status=self.status,
image_path=self.image_path,
tree_ident=self.tree_ident,
)
with session.SessionForReadWrite() as s:
s.add(new_storage_info)
s.commit()
new_storage_obj = (s.query(m.SnapshotStorage).filter(
m.SnapshotStorage.ident == self.storage_ident).first())
return new_storage_obj.obj_to_dict()
def add(self):
assert self.normal_create_inst[
'operation_type'] == m.Journal.TYPE_NORMAL_CREATE
new_storage_info = m.SnapshotStorage(
ident=self.normal_create_inst.new_ident,
parent_ident=self.parent_ident,
parent_timestamp=self.parent_timestamp,
type=self.normal_create_inst.new_type,
disk_bytes=self.normal_create_inst.new_disk_bytes,
status=m.SnapshotStorage.STATUS_CREATING,
image_path=self.image_path,
tree_ident=self.tree_ident,
)
with session.SessionForReadWrite() as s:
s.add(new_storage_info)
s.commit()
new_storage_obj = (s.query(m.SnapshotStorage).filter(
m.SnapshotStorage.ident ==
self.normal_create_inst.new_ident).first())
return new_storage_obj.obj_to_dict()
def update(self):
with session.SessionForReadWrite() as s:
s.query(m.Journal).filter(
m.SnapshotStorage.ident == self.ident).update(
{self.column_name: self.new_data})
s.commit()
def update(self):
with session.SessionForReadWrite() as s:
s.query(m.Journal).filter(m.Journal.token == self.token).update(
{self.column_name: self.new_data})
s.commit()
def __init__(self, token, column_name, new_data, session_=session.SessionForReadWrite()):
self.token = token
self.column_name = column_name # 更新的字段名
self.new_data = new_data # 更新的数据
self.session = session_