Polish

src/main/java/org/springframework/samples/petclinic/system/CacheConfig.java → src/main/java/org/springframework/samples/petclinic/system/CacheConfiguration.java

 package org.springframework.samples.petclinic.system;
 
-import javax.cache.configuration.Configuration;
 import javax.cache.configuration.MutableConfiguration;
 
 import org.springframework.boot.autoconfigure.cache.JCacheManagerCustomizer;
 import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 
-@org.springframework.context.annotation.Configuration
+@Configuration
 @EnableCaching
-class CacheConfig {
+class CacheConfiguration {
 
     @Bean
-    public JCacheManagerCustomizer cacheManagerCustomizer() {
+    public JCacheManagerCustomizer petclinicCacheConfigurationCustomizer() {
         return cm -> {
-            Configuration<Object, Object> cacheConfiguration = createCacheConfiguration();
-            cm.createCache("vets", cacheConfiguration);
+            cm.createCache("vets", cacheConfiguration());
         };
     }
 
-    private Configuration<Object, Object> createCacheConfiguration() {
-        // Create a cache using infinite heap. A real application will want to use an
-        // implementation dependent configuration that will better fit your needs
+    private javax.cache.configuration.Configuration<Object, Object> cacheConfiguration() {
+        // Create a cache using infinite heap. A real application will want to use a more fine-grained configuration,
+        // possibly using an implementation-dependent API
         return new MutableConfiguration<>().setStatisticsEnabled(true);
     }
+
 }