def UnlockSubject(self, subject, transid):
"""Unlocks subject using lock id."""
request = rdf_data_store.DataStoreRequest(subject=[subject])
blob = rdf_protodict.DataBlob(string=transid)
value = rdf_data_store.DataStoreValue(value=blob)
request.values.Append(value)
# We do not care about the server response.
typ = rdf_data_server.DataStoreCommand.Command.UNLOCK_SUBJECT
self._MakeSyncRequest(request, typ)
return transid
def UnlockSubject(self, subject, transid, token):
"""Unlocks subject using transaction id."""
self.security_manager.CheckDataStoreAccess(token, [subject], "w")
request = rdf_data_store.DataStoreRequest(subject=[subject])
if token:
request.token = token
blob = rdf_protodict.DataBlob(string=transid)
value = rdf_data_store.DataStoreValue(value=blob)
request.values.Append(value)
# We do not care about the server response.
typ = rdf_data_server.DataStoreCommand.Command.UNLOCK_SUBJECT
self._MakeSyncRequest(request, typ)
return transid
def ExtendSubjectLock(self, subject, transid, lease_time):
"""Extends lock of subject."""
request = rdf_data_store.DataStoreRequest(subject=[subject])
specific = rdf_data_store.TimestampSpec.Type.SPECIFIC_TIME
request.timestamp = rdf_data_store.TimestampSpec(start=lease_time,
type=specific)
blob = rdf_protodict.DataBlob(string=transid)
value = rdf_data_store.DataStoreValue(value=blob)
request.values.Append(value)
typ = rdf_data_server.DataStoreCommand.Command.EXTEND_SUBJECT
response = self._MakeSyncRequest(request, typ)
if not response.results:
return None
result = response.results[0]
if not result.values:
return None
value = result.values[0].value.string
return transid if transid == value else None
def _AddTransactionId(self, response, subject, transid): blob = rdf_protodict.DataBlob(string=transid) value = rdf_data_store.DataStoreValue(value=blob) response.results.Append(subject=subject, values=[value])
