caching java config

spring-all/.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <faceted-project>
   <installed facet="wst.jsdt.web" version="1.0"/>
-  <installed facet="jst.web" version="3.0"/>
   <installed facet="java" version="1.8"/>
+  <installed facet="jst.web" version="3.1"/>
 </faceted-project>

spring-all/src/main/java/org/baeldung/caching/config/CachingConfig.java

@@ -0,0 +1,29 @@
+package org.baeldung.caching.config;
+
+import java.util.Arrays;
+
+import org.baeldung.caching.example.CustomerDataService;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.concurrent.ConcurrentMapCache;
+import org.springframework.cache.support.SimpleCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableCaching
+public class CachingConfig {
+
+    @Bean
+    public CustomerDataService customerDataService() {
+        return new CustomerDataService();
+    }
+
+    @Bean
+    public CacheManager cacheManager() {
+        final SimpleCacheManager cacheManager = new SimpleCacheManager();
+        cacheManager.setCaches(Arrays.asList(new ConcurrentMapCache("directory"), new ConcurrentMapCache("addresses")));
+        return cacheManager;
+    }
+
+}

spring-all/src/main/java/org/baeldung/caching/config/MyAppConfig.java

@@ -1,10 +0,0 @@
-package org.baeldung.caching.config;
-
-import org.springframework.cache.annotation.EnableCaching;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-@EnableCaching
-public class MyAppConfig {
-    // Your configuration code goes here.
-}

spring-all/src/main/java/org/baeldung/caching/example/CustomerDataService.java

@@ -10,12 +10,18 @@ import org.springframework.cache.annotation.Caching;
 import org.springframework.stereotype.Component;
 
 @Component
-@CacheConfig(cacheNames = { "addressDemo" })
+@CacheConfig(cacheNames = { "addresses" })
 public class CustomerDataService {
 
     @Autowired
     CacheManager cacheManager;
 
+    // this method configuration is equivalent to xml configuration
+    @Cacheable(value = "addresses", key = "#customer.name")
+    public String getAddress(final Customer customer) {
+        return customer.getAddress();
+    }
+
     /**
      * The method returns the customer's address,
        only it doesn't find it the cache- addresses and directory.

spring-all/src/main/resources/config.xml

@@ -10,8 +10,7 @@
 
     <cache:annotation-driven/>
 
-    <context:annotation-config/>
+    <!-- <context:annotation-config/> -->
-    <bean class="org.baeldung.caching.config.MyAppConfig"/>
 
     <!-- the service that you wish to make cacheable. -->
     <bean id="customerDataService" class="org.baeldung.caching.example.CustomerDataService"/>
@@ -21,7 +20,6 @@
             <set>
                 <bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" name="directory"/>
                 <bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" name="addresses"/>
-                <bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" name="addressDemo"/>
             </set>
         </property>
     </bean>
@@ -34,7 +32,7 @@
     </cache:advice>
 
 
-    <!-- apply the behavior to all the implementations of CustomerDataService interface -->
+    <!-- apply the behavior to all the implementations of CustomerDataService  -->
     <aop:config>
         <aop:advisor advice-ref="cachingBehavior" pointcut="execution(* org.baeldung.caching.example.CustomerDataService.*(..))"/>
     </aop:config>

spring-all/src/test/java/org/baeldung/caching/test/SpringCachingBehaviorTest.java

@@ -1,11 +1,11 @@
 package org.baeldung.caching.test;
 
+import org.baeldung.caching.config.CachingConfig;
 import org.baeldung.caching.example.Customer;
 import org.baeldung.caching.example.CustomerDataService;
 import org.junit.Test;
-import org.springframework.context.ApplicationContext;
-import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.stereotype.Component;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
 
 @Component
 public class SpringCachingBehaviorTest {
@@ -13,12 +13,16 @@ public class SpringCachingBehaviorTest {
     @Test
     public void testCaching() {
         @SuppressWarnings("resource")
-        final ApplicationContext context = new ClassPathXmlApplicationContext("config.xml");
+        final
+        // final ApplicationContext context = new ClassPathXmlApplicationContext("config.xml");
+        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+        context.register(CachingConfig.class);
+        context.refresh();
         final CustomerDataService service = context.getBean(CustomerDataService.class);
 
         final Customer cust = new Customer("Tom", "67-2, Downing Street, NY");
-        service.getAddress1(cust);
+        service.getAddress(cust);
-        service.getAddress1(cust);
+        service.getAddress(cust);
 
         // fail("Unable to instantiate the CustomerDataService");
     }