1 /* 2 * Copyright 2017 Google LLC 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google LLC nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package com.google.api.gax.retrying; 31 32 import java.util.concurrent.CancellationException; 33 34 /** 35 * Same as {@link ResultRetryAlgorithmWithContext}, but without methods that accept a {@link 36 * RetryingContext}. Use {@link ResultRetryAlgorithmWithContext} instead of this interface when 37 * possible. 38 */ 39 public interface ResultRetryAlgorithm<ResponseT> { 40 /** 41 * Same as {@link ResultRetryAlgorithmWithContext#createNextAttempt(RetryingContext, Throwable, 42 * Object, TimedAttemptSettings)}, but without a {@link RetryingContext}. 43 * 44 * <p>Use {@link ResultRetryAlgorithmWithContext#createNextAttempt(RetryingContext, Throwable, 45 * Object, TimedAttemptSettings)} instead of this method when possible. 46 */ createNextAttempt( Throwable prevThrowable, ResponseT prevResponse, TimedAttemptSettings prevSettings)47 TimedAttemptSettings createNextAttempt( 48 Throwable prevThrowable, ResponseT prevResponse, TimedAttemptSettings prevSettings); 49 50 /** 51 * Same as {@link ResultRetryAlgorithmWithContext#shouldRetry(Throwable, Object)}, but without a 52 * {@link RetryingContext}. 53 * 54 * <p>Use {@link ResultRetryAlgorithmWithContext#shouldRetry(RetryingContext, Throwable, Object)} 55 * instead of this method when possible. 56 */ shouldRetry(Throwable prevThrowable, ResponseT prevResponse)57 boolean shouldRetry(Throwable prevThrowable, ResponseT prevResponse) throws CancellationException; 58 } 59