Add cache provider / shade caffeine (#386)

gradle/publish-artifactory.gradle

@@ -1,61 +0,0 @@
-apply plugin: 'maven-publish'
-apply plugin: 'com.jfrog.artifactory'
-
-publishing {
-    publications {
-        mavenJava(MavenPublication) {
-            pom {
-                afterEvaluate {
-                    name = project.description
-                    description = project.description
-                }
-                url = linkScmUrl
-//                organization {
-//                    name = 'Spring IO'
-//                    url = 'https://spring.io/projects/spring-pulsar'
-//                }
-                licenses {
-                    license {
-                        name = 'Apache License, Version 2.0'
-                        url = 'https://www.apache.org/licenses/LICENSE-2.0.txt'
-                        distribution = 'repo'
-                    }
-                }
-                scm {
-                    url = linkScmUrl
-                    connection = linkScmConnection
-                    developerConnection = linkScmDevConnection
-                }
-                developers {
-                    developer {
-                        id = "schacko"
-                        name = "Soby Chacko"
-                        email = "chackos@vmware.com"
-                    }
-                    developer {
-                        id = "onobc"
-                        name = "Chris Bono"
-                        email = "cbono@vmware.com"
-                    }
-                }
-                issueManagement {
-                    system = 'GitHub'
-                    url = linkIssue
-                }
-            }
-            versionMapping {
-                usage('java-api') {
-                    fromResolutionResult()
-                }
-                usage('java-runtime') {
-                    fromResolutionResult()
-                }
-            }
-        }
-    }
-}
-
-artifactoryPublish {
-    dependsOn build
-    publications(publishing.publications.mavenJava)
-}

settings.gradle

@@ -24,6 +24,8 @@ settings.gradle.projectsLoaded {
 rootProject.name = 'spring-pulsar-dist'
 
 include 'spring-pulsar'
+include 'spring-pulsar-cache-provider'
+include 'spring-pulsar-cache-provider-caffeine'
 include 'spring-pulsar-reactive'
 include 'spring-pulsar-dependencies'
 include 'spring-pulsar-spring-boot-autoconfigure'

spring-pulsar-cache-provider-caffeine/build.gradle

@@ -0,0 +1,59 @@
+plugins {
+	id 'org.springframework.pulsar.spring-module'
+	id 'com.github.johnrengelman.shadow' version '7.1.2'
+}
+
+description = 'Spring Pulsar Caffeine Cache Provider'
+
+dependencies {
+	api project (':spring-pulsar-cache-provider')
+	implementation 'com.github.ben-manes.caffeine:caffeine'
+	shadow project(':spring-pulsar-cache-provider')
+}
+
+jar {
+	archiveClassifier.set('original')
+}
+
+shadowJar {
+	archiveClassifier.set(null)
+	dependsOn(project.tasks.jar)
+	manifest {
+		inheritFrom project.tasks.jar.manifest
+	}
+	relocate 'com.github.benmanes.caffeine', 'org.springframework.pulsar.shade.com.github.benmanes.caffeine'
+	relocate 'com.google', 'org.springframework.pulsar.shade.com.google'
+	relocate 'org.checkerframework', 'org.springframework.pulsar.shade.org.checkerframework'
+	dependencies {
+		exclude(dependency {
+			!['com.github.ben-manes.caffeine', 'org.checkerframework', 'com.google.errorprone'].contains(it.moduleGroup)
+		})
+	}
+}
+
+tasks.build.dependsOn tasks.shadowJar
+
+// delay the maven publishing - instead add shadowJar to the publication
+components.java.withVariantsFromConfiguration(configurations.shadowRuntimeElements) {
+	skip()
+}
+
+publishing {
+	publications {
+		mavenJava {
+			artifact(shadowJar)
+			pom.withXml {
+				Node pomNode = asNode()
+				pomNode.dependencies.'*'.findAll() {
+					it.artifactId.text() == 'caffeine'
+				}.each() {
+					it.parent().remove(it)
+				}
+			}
+		}
+	}
+}
+
+test {
+	testLogging.showStandardStreams = true
+}

spring-pulsar-cache-provider-caffeine/src/main/java/org/springframework/pulsar/core/CaffeineCacheProvider.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 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.
+ */
+
+package org.springframework.pulsar.core;
+
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+import com.github.benmanes.caffeine.cache.Cache;
+
+/**
+ * Cache provider implementation backed by a {@code Caffeine} cache.
+ *
+ * @param <K> the type of cache key
+ * @param <V> the type of cache entries
+ * @author Chris Bono
+ */
+public class CaffeineCacheProvider<K, V> implements CacheProvider<K, V> {
+
+	private final Cache<K, V> cache;
+
+	public CaffeineCacheProvider(Cache<K, V> cache) {
+		this.cache = cache;
+	}
+
+	@Override
+	public V getOrCreateIfAbsent(K cacheKey, Function<K, V> createEntryFunction) {
+		return this.cache.get(cacheKey, createEntryFunction);
+	}
+
+	@Override
+	public Map<K, V> asMap() {
+		return this.cache.asMap();
+	}
+
+	@Override
+	public void invalidateAll(BiConsumer<K, V> onInvalidateEntry) {
+		this.cache.asMap().forEach((cacheKey, cacheEntry) -> {
+			this.cache.invalidate(cacheKey);
+			onInvalidateEntry.accept(cacheKey, cacheEntry);
+		});
+	}
+
+}

spring-pulsar-cache-provider-caffeine/src/main/java/org/springframework/pulsar/core/CaffeineCacheProviderFactory.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 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.
+ */
+
+package org.springframework.pulsar.core;
+
+import java.time.Duration;
+
+import com.github.benmanes.caffeine.cache.Cache;
+import com.github.benmanes.caffeine.cache.Caffeine;
+import com.github.benmanes.caffeine.cache.RemovalListener;
+import com.github.benmanes.caffeine.cache.Scheduler;
+
+/**
+ * Factory to create instances of {@link CaffeineCacheProvider}.
+ *
+ * @param <K> the type of cache key
+ * @param <V> the type of cache entries
+ * @author Chris Bono
+ */
+public class CaffeineCacheProviderFactory<K, V> implements CacheProviderFactory<K, V> {
+
+	@Override
+	public CacheProvider<K, V> create(Duration cacheExpireAfterAccess, Long cacheMaximumSize,
+			Integer cacheInitialCapacity, EvictionListener<K, V> evictionListener) {
+		Cache<K, V> cache = Caffeine.newBuilder().expireAfterAccess(cacheExpireAfterAccess)
+				.maximumSize(cacheMaximumSize).initialCapacity(cacheInitialCapacity)
+				.scheduler(Scheduler.systemScheduler()).evictionListener((RemovalListener<K, V>) (key, value,
+						cause) -> evictionListener.onEviction(key, value, cause.toString()))
+				.build();
+		return new CaffeineCacheProvider<>(cache);
+	}
+
+}

spring-pulsar-cache-provider-caffeine/src/main/resources/META-INF/services/org.springframework.pulsar.core.CacheProviderFactory

@@ -0,0 +1 @@
+org.springframework.pulsar.core.CaffeineCacheProviderFactory

spring-pulsar-cache-provider/build.gradle

@@ -0,0 +1,15 @@
+plugins {
+	id 'org.springframework.pulsar.spring-module'
+}
+
+description = 'Spring Pulsar Cache Provider API'
+
+dependencies {
+	testImplementation 'org.assertj:assertj-core'
+	testImplementation 'org.junit.jupiter:junit-jupiter'
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+}
+
+test {
+	testLogging.showStandardStreams = true
+}

spring-pulsar-cache-provider/src/main/java/org/springframework/pulsar/core/CacheProvider.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 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.
+ */
+
+package org.springframework.pulsar.core;
+
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+/**
+ * Defines the contract for a cache provider.
+ *
+ * @param <K> the type of cache key
+ * @param <V> the type of cache entries
+ * @author Chris Bono
+ */
+public interface CacheProvider<K, V> {
+
+	/**
+	 * Returns the value associated with the {@code key} in the cache.
+	 * <p>
+	 * If the key is not already associated with an entry in the cache, the
+	 * {@code createEntryFunction} is used to compute the value to cache and return.
+	 * @param key the cache key
+	 * @param createEntryFunction the function to compute a value
+	 * @return the current (existing or computed) value associated with the specified key,
+	 * or null if the computed value is null
+	 */
+	V getOrCreateIfAbsent(K key, Function<K, V> createEntryFunction);
+
+	/**
+	 * Returns a view of the entries stored in the cache as a thread-safe map.
+	 * Modifications made to the map directly affect the cache.
+	 * @return a thread-safe view of the cache supporting all optional {@link Map}
+	 * operations
+	 */
+	Map<K, V> asMap();
+
+	/**
+	 * Discards all entries in the cache and calls the {@code onInvalidateEntry} callback
+	 * (if provided) for each entry.
+	 * @param onInvalidateEntry callback invoked for each invalidated entry
+	 */
+	void invalidateAll(BiConsumer<K, V> onInvalidateEntry);
+
+}

spring-pulsar-cache-provider/src/main/java/org/springframework/pulsar/core/CacheProviderFactory.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 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.
+ */
+
+package org.springframework.pulsar.core;
+
+import java.time.Duration;
+import java.util.ServiceLoader;
+
+/**
+ * Interface to create instances of {@link CacheProvider}.
+ *
+ * @param <K> the type of cache key
+ * @param <V> the type of cache entries
+ * @author Chris Bono
+ */
+public interface CacheProviderFactory<K, V> {
+
+	/**
+	 * Create a cache provider instance with the specified options.
+	 * @param cacheExpireAfterAccess time period to expire unused entries in the cache
+	 * @param cacheMaximumSize maximum size of cache (entries)
+	 * @param cacheInitialCapacity the initial size of cache
+	 * @param evictionListener listener called when an entry is evicted from the cache
+	 * @return cache provider instance
+	 */
+	CacheProvider<K, V> create(Duration cacheExpireAfterAccess, Long cacheMaximumSize, Integer cacheInitialCapacity,
+			EvictionListener<K, V> evictionListener);
+
+	/**
+	 * Uses the Java ServiceLoader API to find the first available cache provider factory.
+	 * @param <K> the type of cache key
+	 * @param <V> the type of cache entries
+	 * @return the cache provider factory service
+	 * @throws IllegalStateException if no factory was found
+	 */
+	@SuppressWarnings("unchecked")
+	static <K, V> CacheProviderFactory<K, V> load() {
+		return ServiceLoader.load(CacheProviderFactory.class).findFirst()
+				.orElseThrow(() -> new IllegalStateException("No ProducerCacheFactory available"));
+	}
+
+	/**
+	 * Interface for a cache eviction listener.
+	 *
+	 * @param <K> the type of cache key
+	 * @param <V> the type of cache entries
+	 */
+	interface EvictionListener<K, V> {
+
+		/**
+		 * Called when an entry is evicted from the cache.
+		 * @param key the cache key
+		 * @param value the cached value
+		 * @param reason the reason for the eviction
+		 */
+		void onEviction(K key, V value, String reason);
+
+	}
+
+}

spring-pulsar-cache-provider/src/test/java/org/springframework/pulsar/core/CacheProviderFactoryTests.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 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.
+ */
+
+package org.springframework.pulsar.core;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.time.Duration;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Tests for {@link CacheProviderFactory}.
+ *
+ * @author Chris Bono
+ */
+public class CacheProviderFactoryTests {
+
+	@Test
+	void loadFactory() {
+		assertThat(CacheProviderFactory.load()).isInstanceOf(TestCacheProviderFactory.class);
+	}
+
+	public static class TestCacheProviderFactory implements CacheProviderFactory<String, Object> {
+
+		@Override
+		public CacheProvider<String, Object> create(Duration cacheExpireAfterAccess, Long cacheMaximumSize,
+				Integer cacheInitialCapacity, EvictionListener<String, Object> evictionListener) {
+			return null;
+		}
+
+	}
+
+}

spring-pulsar-cache-provider/src/test/resources/META-INF/services/org.springframework.pulsar.core.CacheProviderFactory

@@ -0,0 +1 @@
+org.springframework.pulsar.core.CacheProviderFactoryTests$TestCacheProviderFactory

spring-pulsar-spring-boot-autoconfigure/build.gradle

@@ -12,7 +12,6 @@ dependencies {
 
 	optional project (':spring-pulsar')
 	optional project (':spring-pulsar-reactive')
-	optional 'com.github.ben-manes.caffeine:caffeine'
 	optional 'org.apache.pulsar:pulsar-client-reactive-producer-cache-caffeine'
 	implementation 'org.springframework.boot:spring-boot-starter'
 	implementation 'com.google.code.findbugs:jsr305'

spring-pulsar-spring-boot-autoconfigure/src/main/java/org/springframework/pulsar/autoconfigure/PulsarAutoConfiguration.java

@@ -51,7 +51,6 @@ import org.springframework.pulsar.function.PulsarSink;
 import org.springframework.pulsar.function.PulsarSource;
 import org.springframework.pulsar.observation.PulsarTemplateObservationConvention;
 
-import com.github.benmanes.caffeine.cache.Caffeine;
 import io.micrometer.observation.ObservationRegistry;
 
 /**
@@ -89,7 +88,6 @@ public class PulsarAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	@ConditionalOnClass(Caffeine.class)
 	@ConditionalOnProperty(name = "spring.pulsar.producer.cache.enabled", havingValue = "true", matchIfMissing = true)
 	public PulsarProducerFactory<?> cachingPulsarProducerFactory(PulsarClient pulsarClient,
 			TopicResolver topicResolver) {

spring-pulsar-spring-boot-autoconfigure/src/test/java/org/springframework/pulsar/autoconfigure/PulsarAutoConfigurationTests.java

@@ -35,7 +35,6 @@ import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
-import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
@@ -501,14 +500,10 @@ class PulsarAutoConfigurationTests {
 		}
 
 		@Test
-		void cachingEnabledButCaffeineNotOnClasspath() {
+		void cachingEnabledAndCaffeineNotOnClasspath() {
 			contextRunner.withClassLoader(new FilteredClassLoader(Caffeine.class))
 					.withPropertyValues("spring.pulsar.producer.cache.enabled=true")
-					.run((context -> assertThat(context).hasFailed().getFailure().cause()
-							.isInstanceOf(NoSuchBeanDefinitionException.class)
-							.asInstanceOf(InstanceOfAssertFactories.type(NoSuchBeanDefinitionException.class))
-							.extracting(NoSuchBeanDefinitionException::getBeanType)
-							.isEqualTo(PulsarProducerFactory.class)));
+					.run((context -> assertHasProducerFactoryOfType(CachingPulsarProducerFactory.class, context)));
 		}
 
 		@Test
@@ -518,8 +513,7 @@ class PulsarAutoConfigurationTests {
 							"spring.pulsar.producer.cache.maximum-size=5150",
 							"spring.pulsar.producer.cache.initial-capacity=200")
 					.run((context -> assertThat(context).hasNotFailed().getBean(PulsarProducerFactory.class)
-							.extracting("producerCache").extracting("cache")
-							.hasFieldOrPropertyWithValue("maximum", 5150L)
+							.extracting("producerCache.cache.cache").hasFieldOrPropertyWithValue("maximum", 5150L)
 							.hasFieldOrPropertyWithValue("expiresAfterAccessNanos", TimeUnit.SECONDS.toNanos(100))));
 		}
 

spring-pulsar-spring-boot-starter/build.gradle

@@ -7,6 +7,5 @@ description = 'Spring Pulsar Spring Boot Starter'
 dependencies {
 	api project (':spring-pulsar')
 	api project (':spring-pulsar-spring-boot-autoconfigure')
-	api 'com.github.ben-manes.caffeine:caffeine'
 	api 'org.springframework.boot:spring-boot-starter'
 }

spring-pulsar/build.gradle

@@ -17,13 +17,14 @@ dependencies {
 	api ('org.springframework.retry:spring-retry') {
 		exclude group: 'org.springframework'
 	}
+	api project(':spring-pulsar-cache-provider')
+	implementation project(path: ':spring-pulsar-cache-provider-caffeine', configuration: 'shadow')
 	implementation 'com.fasterxml.jackson.core:jackson-core'
 	implementation 'com.fasterxml.jackson.core:jackson-databind'
 	implementation 'com.google.code.findbugs:jsr305'
 	optional 'com.fasterxml.jackson.datatype:jackson-datatype-jdk8'
 	optional 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310'
 	optional 'com.fasterxml.jackson.datatype:jackson-datatype-joda'
-	optional 'com.github.ben-manes.caffeine:caffeine'
 	optional 'com.google.protobuf:protobuf-java'
 	optional 'com.jayway.jsonpath:json-path'
 

spring-pulsar/src/main/java/org/springframework/pulsar/core/CachingPulsarProducerFactory.java

@@ -41,11 +41,6 @@ import org.springframework.core.log.LogAccessor;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 
-import com.github.benmanes.caffeine.cache.Cache;
-import com.github.benmanes.caffeine.cache.Caffeine;
-import com.github.benmanes.caffeine.cache.RemovalListener;
-import com.github.benmanes.caffeine.cache.Scheduler;
-
 /**
  * A {@link PulsarProducerFactory} that extends the {@link DefaultPulsarProducerFactory
  * default implementation} by caching the created producers.
@@ -66,7 +61,7 @@ public class CachingPulsarProducerFactory<T> extends DefaultPulsarProducerFactor
 
 	private final LogAccessor logger = new LogAccessor(this.getClass());
 
-	private final Cache<ProducerCacheKey<T>, Producer<T>> producerCache;
+	private final CacheProvider<ProducerCacheKey<T>, Producer<T>> producerCache;
 
 	/**
 	 * Construct a caching producer factory with the specified values for the cache
@@ -82,15 +77,13 @@ public class CachingPulsarProducerFactory<T> extends DefaultPulsarProducerFactor
 			TopicResolver topicResolver, Duration cacheExpireAfterAccess, Long cacheMaximumSize,
 			Integer cacheInitialCapacity) {
 		super(pulsarClient, producerConfig, topicResolver);
-		this.producerCache = Caffeine.newBuilder().expireAfterAccess(cacheExpireAfterAccess)
-				.maximumSize(cacheMaximumSize).initialCapacity(cacheInitialCapacity)
-				.scheduler(Scheduler.systemScheduler()).evictionListener(
-						(RemovalListener<ProducerCacheKey<T>, Producer<T>>) (producerCacheKey, producer, cause) -> {
-							this.logger.debug(() -> "Producer %s evicted from cache due to %s"
-									.formatted(ProducerUtils.formatProducer(producer), cause));
-							closeProducer(producer);
-						})
-				.build();
+		var cacheFactory = CacheProviderFactory.<ProducerCacheKey<T>, Producer<T>>load();
+		this.producerCache = cacheFactory.create(cacheExpireAfterAccess, cacheMaximumSize, cacheInitialCapacity,
+				(key, producer, cause) -> {
+					this.logger.debug(() -> "Producer %s evicted from cache due to %s"
+							.formatted(ProducerUtils.formatProducer(producer), cause));
+					closeProducer(producer);
+				});
 	}
 
 	@Override
@@ -100,7 +93,7 @@ public class CachingPulsarProducerFactory<T> extends DefaultPulsarProducerFactor
 		String resolveTopicName = resolveTopicName(topic);
 		ProducerCacheKey<T> producerCacheKey = new ProducerCacheKey<>(schema, resolveTopicName,
 				encryptionKeys == null ? null : new HashSet<>(encryptionKeys), customizers);
-		return this.producerCache.get(producerCacheKey,
+		return this.producerCache.getOrCreateIfAbsent(producerCacheKey,
 				(st) -> createCacheableProducer(st.schema, st.topic, st.encryptionKeys, customizers));
 	}
 
@@ -119,10 +112,7 @@ public class CachingPulsarProducerFactory<T> extends DefaultPulsarProducerFactor
 
 	@Override
 	public void destroy() {
-		this.producerCache.asMap().forEach((producerCacheKey, producer) -> {
-			this.producerCache.invalidate(producerCacheKey);
-			closeProducer(producer);
-		});
+		this.producerCache.invalidateAll((key, producer) -> closeProducer(producer));
 	}
 
 	private void closeProducer(Producer<T> producer) {

spring-pulsar/src/test/java/org/springframework/pulsar/core/CachingPulsarProducerFactoryTests.java

@@ -51,8 +51,6 @@ import org.springframework.pulsar.core.CachingPulsarProducerFactory.ProducerWith
 import org.springframework.test.util.ReflectionTestUtils;
 import org.springframework.util.ObjectUtils;
 
-import com.github.benmanes.caffeine.cache.Cache;
-
 /**
  * Tests for {@link CachingPulsarProducerFactory}.
  *
@@ -83,8 +81,8 @@ class CachingPulsarProducerFactoryTests extends PulsarProducerFactoryTests {
 		var producer3 = producerFactory.createProducer(new StringSchema(), "topic1");
 		assertThat(producer1).isSameAs(producer2).isSameAs(producer3);
 
-		Cache<ProducerCacheKey<String>, Producer<String>> producerCache = getAssertedProducerCache(producerFactory,
-				Collections.singletonList(cacheKey));
+		CacheProvider<ProducerCacheKey<String>, Producer<String>> producerCache = getAssertedProducerCache(
+				producerFactory, Collections.singletonList(cacheKey));
 		Producer<String> cachedProducerWrapper = producerCache.asMap().get(cacheKey);
 		assertThat(cachedProducerWrapper).isSameAs(producer1);
 	}
@@ -207,9 +205,9 @@ class CachingPulsarProducerFactoryTests extends PulsarProducerFactoryTests {
 	}
 
 	@SuppressWarnings("unchecked")
-	private Cache<ProducerCacheKey<String>, Producer<String>> getAssertedProducerCache(
+	private CacheProvider<ProducerCacheKey<String>, Producer<String>> getAssertedProducerCache(
 			PulsarProducerFactory<String> producerFactory, List<ProducerCacheKey<String>> expectedCacheKeys) {
-		Cache<ProducerCacheKey<String>, Producer<String>> producerCache = (Cache<ProducerCacheKey<String>, Producer<String>>) ReflectionTestUtils
+		CacheProvider<ProducerCacheKey<String>, Producer<String>> producerCache = (CacheProvider<ProducerCacheKey<String>, Producer<String>>) ReflectionTestUtils
 				.getField(producerFactory, "producerCache");
 		assertThat(producerCache).isNotNull();
 		if (ObjectUtils.isEmpty(expectedCacheKeys)) {