| /* |
| * Copyright 2017, gRPC Authors All rights reserved. |
| * |
| * 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. |
| */ |
| |
| package io.grpc; |
| |
| import javax.annotation.concurrent.ThreadSafe; |
| |
| /** |
| * {@link StreamTracer} for the client-side. |
| */ |
| @ExperimentalApi("https://github.com/grpc/grpc-java/issues/2861") |
| @ThreadSafe |
| public abstract class ClientStreamTracer extends StreamTracer { |
| /** |
| * Headers has been sent to the socket. |
| */ |
| public void outboundHeaders() { |
| } |
| |
| /** |
| * Headers has been received from the server. |
| */ |
| public void inboundHeaders() { |
| } |
| |
| /** |
| * Factory class for {@link ClientStreamTracer}. |
| */ |
| public abstract static class Factory { |
| /** |
| * Creates a {@link ClientStreamTracer} for a new client stream. |
| * |
| * @param headers the mutable headers of the stream. It can be safely mutated within this |
| * method. It should not be saved because it is not safe for read or write after the |
| * method returns. |
| */ |
| public abstract ClientStreamTracer newClientStreamTracer(Metadata headers); |
| } |
| } |