1<?php 2/* 3 * 4 * Copyright 2018 gRPC authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 */ 19 20namespace Grpc\Internal; 21 22/** 23 * This is a PRIVATE API and can change without notice. 24 */ 25class InterceptorChannel extends \Grpc\Channel 26{ 27 private $next = null; 28 private $interceptor; 29 30 /** 31 * @param Channel|InterceptorChannel $channel An already created Channel 32 * or InterceptorChannel object (optional) 33 * @param Interceptor $interceptor 34 */ 35 public function __construct($channel, $interceptor) 36 { 37 if (!is_a($channel, 'Grpc\Channel') && 38 !is_a($channel, 'Grpc\Internal\InterceptorChannel')) { 39 throw new \Exception('The channel argument is not a Channel object '. 40 'or an InterceptorChannel object created by '. 41 'Interceptor::intercept($channel, Interceptor|Interceptor[] $interceptors)'); 42 } 43 $this->interceptor = $interceptor; 44 $this->next = $channel; 45 } 46 47 public function getNext() 48 { 49 return $this->next; 50 } 51 52 public function getInterceptor() 53 { 54 return $this->interceptor; 55 } 56 57 public function getTarget() 58 { 59 return $this->getNext()->getTarget(); 60 } 61 62 public function watchConnectivityState($new_state, $deadline) 63 { 64 return $this->getNext()->watchConnectivityState($new_state, $deadline); 65 } 66 67 public function getConnectivityState($try_to_connect = false) 68 { 69 return $this->getNext()->getConnectivityState($try_to_connect); 70 } 71 72 public function close() 73 { 74 return $this->getNext()->close(); 75 } 76} 77