Merge pull request #17287 from nosan

* gh-17287:
  Introduce RedisCacheManagerBuilderCustomizer

Closes gh-17287

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/RedisCacheConfiguration.java

@@ -56,6 +56,7 @@ class RedisCacheConfiguration {
 	public RedisCacheManager cacheManager(CacheProperties cacheProperties,
 			CacheManagerCustomizers cacheManagerCustomizers,
 			ObjectProvider<org.springframework.data.redis.cache.RedisCacheConfiguration> redisCacheConfiguration,
+			ObjectProvider<RedisCacheManagerBuilderCustomizer> redisCacheManagerBuilderCustomizers,
 			RedisConnectionFactory redisConnectionFactory, ResourceLoader resourceLoader) {
 		RedisCacheManagerBuilder builder = RedisCacheManager.builder(redisConnectionFactory).cacheDefaults(
 				determineConfiguration(cacheProperties, redisCacheConfiguration, resourceLoader.getClassLoader()));
@@ -63,6 +64,7 @@ class RedisCacheConfiguration {
 		if (!cacheNames.isEmpty()) {
 			builder.initialCacheNames(new LinkedHashSet<>(cacheNames));
 		}
+		redisCacheManagerBuilderCustomizers.orderedStream().forEach((customizer) -> customizer.customize(builder));
 		return cacheManagerCustomizers.customize(builder.build());
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/RedisCacheManagerBuilderCustomizer.java

+/*
+ * Copyright 2012-2019 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.
+ */
+
+package org.springframework.boot.autoconfigure.cache;
+
+import org.springframework.data.redis.cache.RedisCacheManager.RedisCacheManagerBuilder;
+
+/**
+ * Callback interface that can be used to customize a {@link RedisCacheManagerBuilder}.
+ *
+ * @author Dmytro Nosan
+ * @since 2.2.0
+ */
+@FunctionalInterface
+public interface RedisCacheManagerBuilderCustomizer {
+
+	/**
+	 * Customize the {@link RedisCacheManagerBuilder}.
+	 * @param builder the builder to customize
+	 */
+	void customize(RedisCacheManagerBuilder builder);
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfigurationTests.java

@@ -274,6 +274,17 @@ public class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationT
 				});
 	}
 
+	@Test
+	public void redisCacheWithRedisCacheManagerBuilderCustomizer() {
+		this.contextRunner.withUserConfiguration(RedisWithRedisCacheManagerBuilderCustomizerConfiguration.class)
+				.withPropertyValues("spring.cache.type=redis", "spring.cache.redis.time-to-live=15000")
+				.run((context) -> {
+					RedisCacheManager cacheManager = getCacheManager(context, RedisCacheManager.class);
+					RedisCacheConfiguration redisCacheConfiguration = getDefaultRedisCacheConfiguration(cacheManager);
+					assertThat(redisCacheConfiguration.getTtl()).isEqualTo(java.time.Duration.ofSeconds(10));
+				});
+	}
+
 	@Test
 	public void redisCacheWithCustomizers() {
 		this.contextRunner.withUserConfiguration(RedisWithCustomizersConfiguration.class)
@@ -755,6 +766,18 @@ public class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationT
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@Import(RedisConfiguration.class)
+	static class RedisWithRedisCacheManagerBuilderCustomizerConfiguration {
+
+		@Bean
+		public RedisCacheManagerBuilderCustomizer ttlRedisCacheManagerBuilderCustomizer() {
+			return (builder) -> builder.cacheDefaults(
+					RedisCacheConfiguration.defaultCacheConfig().entryTtl(java.time.Duration.ofSeconds(10)));
+		}
+
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	@Import({ RedisConfiguration.class, CacheManagerCustomizersConfiguration.class })
 	static class RedisWithCustomizersConfiguration {