92 lines
2.6 KiB
PHP
92 lines
2.6 KiB
PHP
<?php
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/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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namespace Grpc;
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/**
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* Represents an interceptor that intercept RPC invocations before call starts.
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* There is one proposal related to the argument $deserialize under the review.
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* The proposal link is https://github.com/grpc/proposal/pull/86.
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*/
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class Interceptor
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{
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public function interceptUnaryUnary(
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$method,
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$argument,
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$deserialize,
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$continuation,
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array $metadata = [],
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array $options = []
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) {
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return $continuation($method, $argument, $deserialize, $metadata, $options);
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}
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public function interceptStreamUnary(
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$method,
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$deserialize,
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$continuation,
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array $metadata = [],
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array $options = []
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) {
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return $continuation($method, $deserialize, $metadata, $options);
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}
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public function interceptUnaryStream(
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$method,
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$argument,
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$deserialize,
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$continuation,
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array $metadata = [],
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array $options = []
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) {
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return $continuation($method, $argument, $deserialize, $metadata, $options);
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}
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public function interceptStreamStream(
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$method,
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$deserialize,
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$continuation,
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array $metadata = [],
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array $options = []
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) {
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return $continuation($method, $deserialize, $metadata, $options);
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}
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/**
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* Intercept the methods with Channel
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*
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* @param Channel|InterceptorChannel $channel An already created Channel or InterceptorChannel object (optional)
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* @param Interceptor|Interceptor[] $interceptors interceptors to be added
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*
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* @return InterceptorChannel
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*/
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public static function intercept($channel, $interceptors)
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{
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if (is_array($interceptors)) {
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for ($i = count($interceptors) - 1; $i >= 0; $i--) {
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$channel = new Internal\InterceptorChannel($channel, $interceptors[$i]);
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}
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} else {
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$channel = new Internal\InterceptorChannel($channel, $interceptors);
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}
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return $channel;
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}
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}
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