| <?php |
| /* |
| * |
| * Copyright 2018 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. |
| * |
| */ |
| |
| namespace Grpc; |
| |
| /** |
| * Represents an interceptor that intercept RPC invocations before call starts. |
| * There is one proposal related to the argument $deserialize under the review. |
| * The proposal link is https://github.com/grpc/proposal/pull/86. |
| * This is an EXPERIMENTAL API. |
| */ |
| class Interceptor |
| { |
| public function interceptUnaryUnary( |
| $method, |
| $argument, |
| $deserialize, |
| array $metadata = [], |
| array $options = [], |
| $continuation |
| ) { |
| return $continuation($method, $argument, $deserialize, $metadata, $options); |
| } |
| |
| public function interceptStreamUnary( |
| $method, |
| $deserialize, |
| array $metadata = [], |
| array $options = [], |
| $continuation |
| ) { |
| return $continuation($method, $deserialize, $metadata, $options); |
| } |
| |
| public function interceptUnaryStream( |
| $method, |
| $argument, |
| $deserialize, |
| array $metadata = [], |
| array $options = [], |
| $continuation |
| ) { |
| return $continuation($method, $argument, $deserialize, $metadata, $options); |
| } |
| |
| public function interceptStreamStream( |
| $method, |
| $deserialize, |
| array $metadata = [], |
| array $options = [], |
| $continuation |
| ) { |
| return $continuation($method, $deserialize, $metadata, $options); |
| } |
| |
| /** |
| * Intercept the methods with Channel |
| * |
| * @param Channel|InterceptorChannel $channel An already created Channel or InterceptorChannel object (optional) |
| * @param Interceptor|Interceptor[] $interceptors interceptors to be added |
| * |
| * @return InterceptorChannel |
| */ |
| public static function intercept($channel, $interceptors) |
| { |
| if (is_array($interceptors)) { |
| for ($i = count($interceptors) - 1; $i >= 0; $i--) { |
| $channel = new Internal\InterceptorChannel($channel, $interceptors[$i]); |
| } |
| } else { |
| $channel = new Internal\InterceptorChannel($channel, $interceptors); |
| } |
| return $channel; |
| } |
| } |
| |