Enable ehcache with JSR-107

pom.xml

@@ -79,6 +79,16 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+
+		<!-- EhCache -->
+		<dependency>
+			<groupId>javax.cache</groupId>
+			<artifactId>cache-api</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.ehcache</groupId>
+			<artifactId>ehcache</artifactId>
+		</dependency>
 	</dependencies>
 
 	<build>

src/main/java/org/springframework/samples/petclinic/config/CacheConfig.java

+package org.springframework.samples.petclinic.config;
+
+import org.ehcache.config.CacheConfiguration;
+import org.ehcache.config.builders.CacheConfigurationBuilder;
+import org.ehcache.config.builders.ResourcePoolsBuilder;
+import org.ehcache.config.units.EntryUnit;
+import org.ehcache.expiry.Duration;
+import org.ehcache.expiry.Expirations;
+import org.ehcache.jsr107.Eh107Configuration;
+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;
+import org.springframework.context.annotation.Profile;
+
+import javax.cache.CacheManager;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Cache could be disable in unit test.
+ */
+@Configuration
+@EnableCaching
+public class CacheConfig {
+
+    @Bean
+    public JCacheManagerCustomizer cacheManagerCustomizer() {
+        return new JCacheManagerCustomizer() {
+            @Override
+            public void customize(CacheManager cacheManager) {
+                CacheConfiguration<Object, Object> config = CacheConfigurationBuilder
+                    .newCacheConfigurationBuilder(Object.class, Object.class,
+                        ResourcePoolsBuilder.newResourcePoolsBuilder()
+                            .heap(100, EntryUnit.ENTRIES))
+                    .withExpiry(Expirations.timeToLiveExpiration(Duration.of(60, TimeUnit.SECONDS)))
+                    .build();
+                cacheManager.createCache("vets", Eh107Configuration.fromEhcacheCacheConfiguration(config));
+            }
+        };
+    }
+
+}

src/main/java/org/springframework/samples/petclinic/service/ClinicServiceImpl.java

@@ -15,16 +15,9 @@
  */
 package org.springframework.samples.petclinic.service;
 
-import java.util.Collection;
-
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.cache.annotation.Cacheable;
 import org.springframework.dao.DataAccessException;
-import org.springframework.samples.petclinic.model.Owner;
-import org.springframework.samples.petclinic.model.Pet;
-import org.springframework.samples.petclinic.model.PetType;
-import org.springframework.samples.petclinic.model.Vet;
-import org.springframework.samples.petclinic.model.Visit;
+import org.springframework.samples.petclinic.model.*;
 import org.springframework.samples.petclinic.repository.OwnerRepository;
 import org.springframework.samples.petclinic.repository.PetRepository;
 import org.springframework.samples.petclinic.repository.VetRepository;
@@ -32,6 +25,9 @@ import org.springframework.samples.petclinic.repository.VisitRepository;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import javax.cache.annotation.CacheResult;
+import java.util.Collection;
+
 /**
  * Mostly used as a facade for all Petclinic controllers
  * Also a placeholder for @Transactional and @Cacheable annotations
@@ -99,7 +95,7 @@ public class ClinicServiceImpl implements ClinicService {
 
     @Override
     @Transactional(readOnly = true)
-    @Cacheable(value = "vets")
+    @CacheResult(cacheName = "vets")
     public Collection<Vet> findVets() throws DataAccessException {
         return vetRepository.findAll();
     }