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Support for late-determined cache misses from retrieve(key)
Closes gh-31637
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...upport/src/test/java/org/springframework/cache/caffeine/CaffeineReactiveCachingTests.java
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| /* | ||
| * Copyright 2002-2023 the original author or 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package org.springframework.cache.caffeine; | ||
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| import java.util.List; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
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| import org.junit.jupiter.api.Test; | ||
| import reactor.core.publisher.Flux; | ||
| import reactor.core.publisher.Mono; | ||
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| import org.springframework.cache.CacheManager; | ||
| import org.springframework.cache.annotation.CacheConfig; | ||
| import org.springframework.cache.annotation.Cacheable; | ||
| import org.springframework.cache.annotation.EnableCaching; | ||
| import org.springframework.context.ApplicationContext; | ||
| import org.springframework.context.annotation.AnnotationConfigApplicationContext; | ||
| import org.springframework.context.annotation.Bean; | ||
| import org.springframework.context.annotation.Configuration; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| /** | ||
| * Tests for annotation-based caching methods that use reactive operators. | ||
| * | ||
| * @author Juergen Hoeller | ||
| * @since 6.1 | ||
| */ | ||
| public class CaffeineReactiveCachingTests { | ||
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| @Test | ||
| void withCaffeineAsyncCache() { | ||
| ApplicationContext ctx = new AnnotationConfigApplicationContext(Config.class, ReactiveCacheableService.class); | ||
| ReactiveCacheableService service = ctx.getBean(ReactiveCacheableService.class); | ||
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| Object key = new Object(); | ||
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| Long r1 = service.cacheFuture(key).join(); | ||
| Long r2 = service.cacheFuture(key).join(); | ||
| Long r3 = service.cacheFuture(key).join(); | ||
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| assertThat(r1).isNotNull(); | ||
| assertThat(r1).isSameAs(r2).isSameAs(r3); | ||
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| key = new Object(); | ||
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| r1 = service.cacheMono(key).block(); | ||
| r2 = service.cacheMono(key).block(); | ||
| r3 = service.cacheMono(key).block(); | ||
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| assertThat(r1).isNotNull(); | ||
| assertThat(r1).isSameAs(r2).isSameAs(r3); | ||
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| key = new Object(); | ||
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| r1 = service.cacheFlux(key).blockFirst(); | ||
| r2 = service.cacheFlux(key).blockFirst(); | ||
| r3 = service.cacheFlux(key).blockFirst(); | ||
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| assertThat(r1).isNotNull(); | ||
| assertThat(r1).isSameAs(r2).isSameAs(r3); | ||
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| key = new Object(); | ||
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| List<Long> l1 = service.cacheFlux(key).collectList().block(); | ||
| List<Long> l2 = service.cacheFlux(key).collectList().block(); | ||
| List<Long> l3 = service.cacheFlux(key).collectList().block(); | ||
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| assertThat(l1).isNotNull(); | ||
| assertThat(l1).isEqualTo(l2).isEqualTo(l3); | ||
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| key = new Object(); | ||
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| r1 = service.cacheMono(key).block(); | ||
| r2 = service.cacheMono(key).block(); | ||
| r3 = service.cacheMono(key).block(); | ||
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| assertThat(r1).isNotNull(); | ||
| assertThat(r1).isSameAs(r2).isSameAs(r3); | ||
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| // Same key as for Mono, reusing its cached value | ||
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| r1 = service.cacheFlux(key).blockFirst(); | ||
| r2 = service.cacheFlux(key).blockFirst(); | ||
| r3 = service.cacheFlux(key).blockFirst(); | ||
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| assertThat(r1).isNotNull(); | ||
| assertThat(r1).isSameAs(r2).isSameAs(r3); | ||
| } | ||
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| @CacheConfig(cacheNames = "first") | ||
| static class ReactiveCacheableService { | ||
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| private final AtomicLong counter = new AtomicLong(); | ||
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| @Cacheable | ||
| CompletableFuture<Long> cacheFuture(Object arg) { | ||
| return CompletableFuture.completedFuture(this.counter.getAndIncrement()); | ||
| } | ||
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| @Cacheable | ||
| Mono<Long> cacheMono(Object arg) { | ||
| return Mono.just(this.counter.getAndIncrement()); | ||
| } | ||
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| @Cacheable | ||
| Flux<Long> cacheFlux(Object arg) { | ||
| return Flux.just(this.counter.getAndIncrement(), 0L); | ||
| } | ||
| } | ||
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| @Configuration(proxyBeanMethods = false) | ||
| @EnableCaching | ||
| static class Config { | ||
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| @Bean | ||
| CacheManager cacheManager() { | ||
| CaffeineCacheManager ccm = new CaffeineCacheManager("first"); | ||
| ccm.setAsyncCacheMode(true); | ||
| return ccm; | ||
| } | ||
| } | ||
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| } |
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