1 /* 2 * Copyright 2023 The gRPC Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.grpc.internal; 18 19 /** 20 * This interface is used to schedule future retry attempts for a failed operation. The retry delay 21 * and the number of attempt is defined by implementing classes. Implementations should assure 22 * that only one future retry operation is ever scheduled at a time. 23 */ 24 public interface RetryScheduler { 25 26 /** 27 * A request to schedule a future retry (or retries) for a failed operation. Noop if an operation 28 * has already been scheduled. 29 */ schedule(Runnable retryOperation)30 void schedule(Runnable retryOperation); 31 32 /** 33 * Resets the scheduler, effectively cancelling any future retry operation. 34 */ reset()35 void reset(); 36 } 37