# Copyright 2015 gRPC authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Defines an enum for classifying RPC methods by streaming semantics.""" import enum @enum.unique class Cardinality(enum.Enum): """Describes the streaming semantics of an RPC method.""" UNARY_UNARY = 'request-unary/response-unary' UNARY_STREAM = 'request-unary/response-streaming' STREAM_UNARY = 'request-streaming/response-unary' STREAM_STREAM = 'request-streaming/response-streaming'