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JAVA-16681 GitHub Issue: CacheUtils shown in this tutorial are now Deprecated and marked for removal (#13397) 

Co-authored-by: timis1 <noreplay@yahoo.com>
This commit is contained in:
timis1 2023-02-02 20:08:39 +02:00 committed by GitHub
parent edba3b292b
commit 5f1cc6ddba
2 changed files with 11 additions and 13 deletions
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18
spring-5-webflux-2/src/main/java/com/baeldung/webflux/caching/ItemService.java
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@ -1,22 +1,22 @@
package com.baeldung.webflux.caching;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import reactor.cache.CacheMono;
import reactor.core.publisher.Mono;
@Service
public class ItemService {
private final ItemRepository repository;
private final LoadingCache<String, Object> cache;
private final LoadingCache<String, Mono<Item>> cache;
public ItemService(ItemRepository repository) {
this.repository = repository;
this.cache = Caffeine.newBuilder()
.build(this::getItem_withAddons);
this.cache = Caffeine.newBuilder().build(this::getItem_withCaffeine);
}
@Cacheable("items")
@ -34,9 +34,7 @@ public class ItemService {
}
@Cacheable("items")
public Mono<Item> getItem_withAddons(String id) {
return CacheMono.lookup(cache.asMap(), id)
.onCacheMissResume(() -> repository.findById(id).cast(Object.class)).cast(Item.class);
public Mono<Item> getItem_withCaffeine(String id) {
return cache.asMap().computeIfAbsent(id, k -> repository.findById(id).cast(Item.class));
}
}

6
spring-5-webflux-2/src/test/java/com/baeldung/webflux/caching/MonoFluxResultCachingLiveTest.java
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@ -73,19 +73,19 @@ public void givenItem_whenGetItemIsCalled_thenMonoIsCached() {
}
@Test
public void givenItem_whenGetItemWithAddonsIsCalled_thenMonoResultIsCached() {
public void givenItem_whenGetItemWithCaffeineIsCalled_thenMonoResultIsCached() {
Mono<Item> glass = itemService.save(new Item("glass", 1.00));
String id = glass.block().get_id();
Mono<Item> mono = itemService.getItem_withAddons(id);
Mono<Item> mono = itemService.getItem_withCaffeine(id);
Item item = mono.block();
assertThat(item).isNotNull();
assertThat(item.getName()).isEqualTo("glass");
assertThat(item.getPrice()).isEqualTo(1.00);
Mono<Item> mono2 = itemService.getItem_withAddons(id);
Mono<Item> mono2 = itemService.getItem_withCaffeine(id);
Item item2 = mono2.block();
assertThat(item2).isNotNull();