class _ByDataKey(JsonRpcDispatcher):
def GET(self, jrequest, jresponse):
assert isinstance(jrequest, JsonRpcRequest)
assert isinstance(jresponse, JsonRpcResponse)
jresponse.setId()
try:
data_key = ndb.Key("Data", int(jrequest.getPathInfo(4)))
except Exception, e:
jresponse.setErrorInvalidParameter(e)
return
metadata_keys = MetadataNdb.fetchByData(data_key)
for metadata_key in metadata_keys:
jresponse.addResult(metadata_key.get())
class _ByDataId(JsonRpcDispatcher):
def GET(self, jrequest, jresponse):
assert isinstance(jrequest, JsonRpcRequest)
assert isinstance(jresponse, JsonRpcResponse)
jresponse.setId()
try:
data_id = int(jrequest.getPathInfo(4))
data_key = DataNdb.getByDataId(data_id)
if data_key is None: raise RuntimeError("Data entity with dataId %s was not found" % data_id)
assert isinstance(data_key, ndb.Key)
except Exception, e:
jresponse.setErrorInvalidParameter(e)
return
assert isinstance(data_key, ndb.Key)
metadata_keys = MetadataNdb.fetchByData(data_key)
for metadata_key in metadata_keys:
jresponse.addResult(metadata_key.get())
