def _getHistory(self, history_id):
try:
history = self._histories[history_id]
except KeyError:
raise StorageUnregisteredError(
"Saving or retrieving an unregistered object is not "
"possible. Register the object with history id '%s' first. "
% history_id)
return history
def save(self, history_id, object, referenced_data={}, metadata=None):
# delegate the decission what to purge to the purge policy tool
# if it exists. If the call returns ``True`` do not save the current
# version.
policy = getToolByName(self, 'portal_purgepolicy', None)
if policy is not None:
if not policy.beforeSaveHook(history_id, metadata):
return len(self._histories[history_id]) - 1
if not history_id in self._histories:
raise StorageUnregisteredError(
"Saving or retrieving an unregistered object is not "
"possible. Register the object with history id '%s' first. "
% history_id)
return self._save(history_id, object, referenced_data, metadata)
def save(self, history_id, object, referenced_data={}, metadata=None):
"""See IStorage.
"""
# check if already registered
if not self.isRegistered(history_id):
raise StorageUnregisteredError(
"Saving an unregistered object is not possible. "
"Register the object with history id '%s' first. "
% history_id)
# retrieve the ZVC info from the youngest version
history = self._getShadowHistory(history_id, autoAdd=True)
shadowInfo = history.retrieve(selector=None, countPurged=True)
zvc_method = self._getZVCRepo().checkinResource
try:
return self._applyOrCheckin(zvc_method, history_id, shadowInfo,
object, referenced_data, metadata)
except VersionControlError:
# this shouldn't really happen
raise StorageSaveError(
"Saving the object with history id '%s' failed. "
"The underlying storage implementation reported an error."
% history_id)