Polish cache code

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/CacheStatisticsAutoConfiguration.java

@@ -18,11 +18,9 @@ package org.springframework.boot.actuate.autoconfigure;
 
 import javax.cache.Caching;
 
-import com.hazelcast.core.IMap;
-import com.hazelcast.spring.cache.HazelcastCache;
 import net.sf.ehcache.Ehcache;
-import org.infinispan.spring.provider.SpringCache;
 
+import org.infinispan.spring.provider.SpringCache;
 import org.springframework.boot.actuate.cache.CacheStatistics;
 import org.springframework.boot.actuate.cache.CacheStatisticsProvider;
 import org.springframework.boot.actuate.cache.ConcurrentMapCacheStatisticsProvider;
@@ -45,6 +43,9 @@ import org.springframework.cache.support.NoOpCacheManager;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import com.hazelcast.core.IMap;
+import com.hazelcast.spring.cache.HazelcastCache;
+
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for {@link CacheStatisticsProvider}
  * beans.
@@ -81,7 +82,7 @@ public class CacheStatisticsAutoConfiguration {
 	}
 
 	@Configuration
-	@ConditionalOnClass({ IMap.class, HazelcastCache.class} )
+	@ConditionalOnClass({ IMap.class, HazelcastCache.class })
 	static class HazelcastCacheStatisticsConfiguration {
 
 		@Bean

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/AbstractJmxCacheStatisticsProvider.java

@@ -19,6 +19,7 @@ package org.springframework.boot.actuate.cache;
 import java.lang.management.ManagementFactory;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
+
 import javax.management.AttributeNotFoundException;
 import javax.management.InstanceNotFoundException;
 import javax.management.MBeanException;
@@ -29,37 +30,32 @@ import javax.management.ReflectionException;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
 import org.springframework.cache.Cache;
 import org.springframework.cache.CacheManager;
 
 /**
- * Base {@link CacheStatisticsProvider} implementation that uses JMX to
- * retrieve the cache statistics.
+ * Base {@link CacheStatisticsProvider} implementation that uses JMX to retrieve the cache
+ * statistics.
  *
  * @author Stephane Nicoll
  * @since 1.3.0
+ * @param <C> The cache type
  */
-public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache>
-		implements CacheStatisticsProvider<C> {
+public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache> implements
+		CacheStatisticsProvider<C> {
 
 	private static final Logger logger = LoggerFactory
 			.getLogger(AbstractJmxCacheStatisticsProvider.class);
 
 	private MBeanServer mBeanServer;
 
-	private Map<String, ObjectNameWrapper> caches =
-			new ConcurrentHashMap<String, ObjectNameWrapper>();
-
+	private Map<String, ObjectNameWrapper> caches = new ConcurrentHashMap<String, ObjectNameWrapper>();
 
 	@Override
 	public CacheStatistics getCacheStatistics(CacheManager cacheManager, C cache) {
 		try {
 			ObjectName objectName = internalGetObjectName(cache);
-			if (objectName != null) {
-				return getCacheStatistics(objectName);
-			}
-			return null;
+			return (objectName == null ? null : getCacheStatistics(objectName));
 		}
 		catch (MalformedObjectNameException ex) {
 			throw new IllegalStateException(ex);
@@ -71,20 +67,20 @@ public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache>
 	 * {@code null} if none is found.
 	 * @param cache the cache to handle
 	 * @return the object name of the cache statistics MBean
+	 * @throws MalformedObjectNameException
 	 */
-	protected abstract ObjectName getObjectName(C cache) throws MalformedObjectNameException;
+	protected abstract ObjectName getObjectName(C cache)
+			throws MalformedObjectNameException;
 
 	/**
-	 * Return the current {@link CacheStatistics} snapshot from the MBean identified by the
-	 * specified {@link ObjectName}.
+	 * Return the current {@link CacheStatistics} snapshot from the MBean identified by
+	 * the specified {@link ObjectName}.
 	 * @param objectName the object name of the cache statistics MBean
 	 * @return the current cache statistics
 	 */
 	protected abstract CacheStatistics getCacheStatistics(ObjectName objectName);
 
-
-	private ObjectName internalGetObjectName(C cache)
-			throws MalformedObjectNameException {
+	private ObjectName internalGetObjectName(C cache) throws MalformedObjectNameException {
 		String cacheName = cache.getName();
 		ObjectNameWrapper value = this.caches.get(cacheName);
 		if (value != null) {
@@ -102,7 +98,8 @@ public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache>
 		return this.mBeanServer;
 	}
 
-	protected <T> T getAttribute(ObjectName objectName, String attributeName, Class<T> type) {
+	protected <T> T getAttribute(ObjectName objectName, String attributeName,
+			Class<T> type) {
 		try {
 			Object attribute = getMBeanServer().getAttribute(objectName, attributeName);
 			return type.cast(attribute);
@@ -111,8 +108,8 @@ public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache>
 			throw new IllegalStateException(ex);
 		}
 		catch (AttributeNotFoundException ex) {
-			throw new IllegalStateException("Unexpected: MBean with name '" + objectName + "' " +
-					"does not expose attribute with name " + attributeName, ex);
+			throw new IllegalStateException("Unexpected: MBean with name '" + objectName
+					+ "' " + "does not expose attribute with name " + attributeName, ex);
 		}
 		catch (ReflectionException ex) {
 			throw new IllegalStateException(ex);
@@ -123,13 +120,14 @@ public abstract class AbstractJmxCacheStatisticsProvider<C extends Cache>
 		}
 	}
 
-
 	private static class ObjectNameWrapper {
+
 		private final ObjectName objectName;
 
 		public ObjectNameWrapper(ObjectName objectName) {
 			this.objectName = objectName;
 		}
+
 	}
 
 }

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/DefaultCacheStatistics.java

@@ -86,4 +86,5 @@ public class DefaultCacheStatistics implements CacheStatistics {
 			metrics.add(new Metric<T>(name, value));
 		}
 	}
+
 }

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/InfinispanCacheStatisticsProvider.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.actuate.cache;
 
 import java.util.Set;
+
 import javax.management.MalformedObjectNameException;
 import javax.management.ObjectInstance;
 import javax.management.ObjectName;
@@ -29,35 +30,43 @@ import org.infinispan.spring.provider.SpringCache;
  * @author Stephane Nicoll
  * @since 1.3.0
  */
-public class InfinispanCacheStatisticsProvider extends AbstractJmxCacheStatisticsProvider<SpringCache> {
+public class InfinispanCacheStatisticsProvider extends
+		AbstractJmxCacheStatisticsProvider<SpringCache> {
 
 	@Override
-	protected ObjectName getObjectName(SpringCache cache) throws MalformedObjectNameException {
-		Set<ObjectInstance> instances = getMBeanServer().queryMBeans(
-				new ObjectName("org.infinispan:component=Statistics,type=Cache," +
-						"name=\"" + cache.getName() + "(local)\",*"), null);
+	protected ObjectName getObjectName(SpringCache cache)
+			throws MalformedObjectNameException {
+		ObjectName name = new ObjectName(
+				"org.infinispan:component=Statistics,type=Cache,name=\""
+						+ cache.getName() + "(local)\",*");
+		Set<ObjectInstance> instances = getMBeanServer().queryMBeans(name, null);
 		if (instances.size() == 1) {
 			return instances.iterator().next().getObjectName();
 		}
-		return null; // None or more than one
+		// None or more than one
+		return null;
 	}
 
+	@Override
 	protected CacheStatistics getCacheStatistics(ObjectName objectName) {
 		DefaultCacheStatistics statistics = new DefaultCacheStatistics();
-		Integer size = getAttribute(objectName, "numberOfEntries",
-				Integer.class);
+		Integer size = getAttribute(objectName, "numberOfEntries", Integer.class);
 		if (size != null) {
 			statistics.setSize((long) size);
-			if (size > 0) { // Let's initialize the stats if we have some data
-				Double hitRatio = getAttribute(objectName, "hitRatio",
-						Double.class);
-				if ((hitRatio != null)) {
-					statistics.setHitRatio(hitRatio);
-					statistics.setMissRatio(1 - hitRatio);
-				}
+			if (size > 0) {
+				// Let's initialize the stats if we have some data
+				initalizeStats(objectName, statistics);
 			}
 		}
 		return statistics;
 	}
 
+	private void initalizeStats(ObjectName objectName, DefaultCacheStatistics statistics) {
+		Double hitRatio = getAttribute(objectName, "hitRatio", Double.class);
+		if ((hitRatio != null)) {
+			statistics.setHitRatio(hitRatio);
+			statistics.setMissRatio(1 - hitRatio);
+		}
+	}
+
 }

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/JCacheCacheStatisticsProvider.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.actuate.cache;
 
 import java.util.Set;
+
 import javax.management.MalformedObjectNameException;
 import javax.management.ObjectInstance;
 import javax.management.ObjectName;
@@ -29,27 +30,28 @@ import org.springframework.cache.jcache.JCacheCache;
  * @author Stephane Nicoll
  * @since 1.3.0
  */
-public class JCacheCacheStatisticsProvider extends AbstractJmxCacheStatisticsProvider<JCacheCache> {
-
+public class JCacheCacheStatisticsProvider extends
+		AbstractJmxCacheStatisticsProvider<JCacheCache> {
 
+	@Override
 	protected ObjectName getObjectName(JCacheCache cache)
 			throws MalformedObjectNameException {
-
-		Set<ObjectInstance> instances = getMBeanServer().queryMBeans(
-				new ObjectName("javax.cache:type=CacheStatistics,Cache="
-						+ cache.getName() + ",*"), null);
+		ObjectName name = new ObjectName("javax.cache:type=CacheStatistics,Cache="
+				+ cache.getName() + ",*");
+		Set<ObjectInstance> instances = getMBeanServer().queryMBeans(name, null);
 		if (instances.size() == 1) {
 			return instances.iterator().next().getObjectName();
 		}
-		return null; // None or more than one
+		// None or more than one
+		return null;
 	}
 
+	@Override
 	protected CacheStatistics getCacheStatistics(ObjectName objectName) {
 		DefaultCacheStatistics statistics = new DefaultCacheStatistics();
-		Float hitPercentage = getAttribute(objectName, "CacheHitPercentage",
+		Float hitPercentage = getAttribute(objectName, "CacheHitPercentage", Float.class);
+		Float missPercentage = getAttribute(objectName, "CacheMissPercentage",
 				Float.class);
-		Float missPercentage = getAttribute(objectName,
-				"CacheMissPercentage", Float.class);
 		if ((hitPercentage != null && missPercentage != null)
 				&& (hitPercentage > 0 || missPercentage > 0)) {
 			statistics.setHitRatio(hitPercentage / (double) 100);

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/CacheStatisticsAutoConfigurationTests.java

@@ -19,22 +19,15 @@ package org.springframework.boot.actuate.autoconfigure;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Arrays;
+
 import javax.cache.Caching;
 import javax.cache.configuration.MutableConfiguration;
 
-import com.google.common.cache.CacheBuilder;
-import com.hazelcast.cache.HazelcastCachingProvider;
-import com.hazelcast.config.Config;
-import com.hazelcast.config.XmlConfigBuilder;
-import com.hazelcast.core.Hazelcast;
-import com.hazelcast.core.HazelcastInstance;
-import com.hazelcast.spring.cache.HazelcastCacheManager;
 import org.infinispan.manager.DefaultCacheManager;
 import org.infinispan.manager.EmbeddedCacheManager;
 import org.infinispan.spring.provider.SpringEmbeddedCacheManager;
 import org.junit.After;
 import org.junit.Test;
-
 import org.springframework.boot.actuate.cache.CacheStatistics;
 import org.springframework.boot.actuate.cache.CacheStatisticsProvider;
 import org.springframework.cache.Cache;
@@ -52,6 +45,14 @@ import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.util.Assert;
 
+import com.google.common.cache.CacheBuilder;
+import com.hazelcast.cache.HazelcastCachingProvider;
+import com.hazelcast.config.Config;
+import com.hazelcast.config.XmlConfigBuilder;
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.spring.cache.HazelcastCacheManager;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 

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

@@ -51,8 +51,8 @@ abstract class CacheConfigFileCondition extends SpringBootCondition {
 		RelaxedPropertyResolver resolver = new RelaxedPropertyResolver(
 				context.getEnvironment(), this.configPrefix);
 		if (resolver.containsProperty("config")) {
-			return ConditionOutcome.match("A '" + this.configPrefix + ".config' " +
-					"property is specified");
+			return ConditionOutcome.match("A '" + this.configPrefix + ".config' "
+					+ "property is specified");
 		}
 		return getResourceOutcome(context, metadata);
 	}

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

@@ -92,14 +92,15 @@ public class CacheProperties {
 
 	/**
 	 * Resolve the config location if set.
+	 * @param config the config resource
 	 * @return the location or {@code null} if it is not set
 	 * @throws IllegalArgumentException if the config attribute is set to a unknown
 	 * location
 	 */
 	public Resource resolveConfigLocation(Resource config) {
 		if (config != null) {
-			Assert.isTrue(config.exists(), "Cache configuration does not " +
-					"exist '" + config.getDescription() + "'");
+			Assert.isTrue(config.exists(), "Cache configuration does not " + "exist '"
+					+ config.getDescription() + "'");
 			return config;
 		}
 		return null;
@@ -116,12 +117,13 @@ public class CacheProperties {
 		private Resource config;
 
 		public Resource getConfig() {
-			return config;
+			return this.config;
 		}
 
 		public void setConfig(Resource config) {
 			this.config = config;
 		}
+
 	}
 
 	/**
@@ -135,7 +137,7 @@ public class CacheProperties {
 		private Resource config;
 
 		public Resource getConfig() {
-			return config;
+			return this.config;
 		}
 
 		public void setConfig(Resource config) {
@@ -155,7 +157,7 @@ public class CacheProperties {
 		private Resource config;
 
 		public Resource getConfig() {
-			return config;
+			return this.config;
 		}
 
 		public void setConfig(Resource config) {
@@ -170,8 +172,8 @@ public class CacheProperties {
 	public static class JCache {
 
 		/**
-		 * The location of the configuration file to use to initialize the cache manager. The
-		 * configuration file is dependent of the underlying cache implementation.
+		 * The location of the configuration file to use to initialize the cache manager.
+		 * The configuration file is dependent of the underlying cache implementation.
 		 */
 		private Resource config;
 
@@ -191,12 +193,13 @@ public class CacheProperties {
 		}
 
 		public Resource getConfig() {
-			return config;
+			return this.config;
 		}
 
 		public void setConfig(Resource config) {
 			this.config = config;
 		}
+
 	}
 
 	/**

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

@@ -55,8 +55,8 @@ class EhCacheCacheConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	public CacheManager ehCacheCacheManager() {
-		Resource location = this.cacheProperties.resolveConfigLocation(
-				this.cacheProperties.getEhcache().getConfig());
+		Resource location = this.cacheProperties
+				.resolveConfigLocation(this.cacheProperties.getEhcache().getConfig());
 		if (location != null) {
 			return EhCacheManagerUtils.buildCacheManager(location);
 		}

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

@@ -40,7 +40,7 @@ import com.google.common.cache.CacheLoader;
  * @since 1.3.0
  */
 @Configuration
-@ConditionalOnClass({CacheBuilder.class,GuavaCacheManager.class})
+@ConditionalOnClass({ CacheBuilder.class, GuavaCacheManager.class })
 @ConditionalOnMissingBean(CacheManager.class)
 @Conditional(CacheCondition.class)
 class GuavaCacheConfiguration {

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

@@ -64,8 +64,8 @@ class HazelcastCacheConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	public HazelcastInstance hazelcastInstance() throws IOException {
-		Resource location = this.cacheProperties.resolveConfigLocation(
-				this.cacheProperties.getHazelcast().getConfig());
+		Resource location = this.cacheProperties
+				.resolveConfigLocation(this.cacheProperties.getHazelcast().getConfig());
 		if (location != null) {
 			Config cfg = new XmlConfigBuilder(location.getURL()).build();
 			return Hazelcast.newHazelcastInstance(cfg);
@@ -81,8 +81,8 @@ class HazelcastCacheConfiguration {
 	static class ConfigAvailableCondition extends CacheConfigFileCondition {
 
 		public ConfigAvailableCondition() {
-			super("Hazelcast", "spring.config.hazelcast",
-					"file:./hazelcast.xml", "classpath:/hazelcast.xml");
+			super("Hazelcast", "spring.config.hazelcast", "file:./hazelcast.xml",
+					"classpath:/hazelcast.xml");
 		}
 
 		@Override

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

@@ -24,7 +24,6 @@ import org.infinispan.configuration.cache.ConfigurationBuilder;
 import org.infinispan.manager.DefaultCacheManager;
 import org.infinispan.manager.EmbeddedCacheManager;
 import org.infinispan.spring.provider.SpringEmbeddedCacheManager;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
@@ -62,19 +61,20 @@ public class InfinispanCacheConfiguration {
 	@Bean(destroyMethod = "stop")
 	@ConditionalOnMissingBean
 	public EmbeddedCacheManager infinispanCacheManager() throws IOException {
-		EmbeddedCacheManager infinispanCacheManager = createEmbeddedCacheManager();
+		EmbeddedCacheManager cacheManager = createEmbeddedCacheManager();
 		List<String> cacheNames = this.cacheProperties.getCacheNames();
 		if (!CollectionUtils.isEmpty(cacheNames)) {
 			for (String cacheName : cacheNames) {
-				infinispanCacheManager.defineConfiguration(cacheName, getDefaultCacheConfiguration());
+				cacheManager.defineConfiguration(cacheName,
+						getDefaultCacheConfiguration());
 			}
 		}
-		return infinispanCacheManager;
+		return cacheManager;
 	}
 
 	private EmbeddedCacheManager createEmbeddedCacheManager() throws IOException {
-		Resource location = this.cacheProperties.resolveConfigLocation(
-				this.cacheProperties.getInfinispan().getConfig());
+		Resource location = this.cacheProperties
+				.resolveConfigLocation(this.cacheProperties.getInfinispan().getConfig());
 		if (location != null) {
 			InputStream in = location.getInputStream();
 			try {
@@ -89,7 +89,7 @@ public class InfinispanCacheConfiguration {
 
 	private org.infinispan.configuration.cache.Configuration getDefaultCacheConfiguration() {
 		if (this.defaultConfigurationBuilder != null) {
-			return defaultConfigurationBuilder.build();
+			return this.defaultConfigurationBuilder.build();
 		}
 		return new ConfigurationBuilder().build();
 	}

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

@@ -91,8 +91,8 @@ class JCacheCacheConfiguration {
 	private CacheManager createCacheManager() throws IOException {
 		CachingProvider cachingProvider = getCachingProvider(this.cacheProperties
 				.getJcache().getProvider());
-		Resource configLocation = this.cacheProperties.resolveConfigLocation(
-				this.cacheProperties.getJcache().getConfig());
+		Resource configLocation = this.cacheProperties
+				.resolveConfigLocation(this.cacheProperties.getJcache().getConfig());
 		if (configLocation != null) {
 			return cachingProvider.getCacheManager(configLocation.getURI(),
 					cachingProvider.getDefaultClassLoader(),
@@ -135,8 +135,8 @@ class JCacheCacheConfiguration {
 
 	/**
 	 * Determine if JCache is available. This either kicks in if a provider is available
-	 * as defined per {@link JCacheProviderAvailableCondition} or if a {@link CacheManager}
-	 * has already been defined.
+	 * as defined per {@link JCacheProviderAvailableCondition} or if a
+	 * {@link CacheManager} has already been defined.
 	 */
 	@Order(Ordered.LOWEST_PRECEDENCE)
 	static class JCacheAvailableCondition extends AnyNestedCondition {
@@ -146,10 +146,12 @@ class JCacheCacheConfiguration {
 		}
 
 		@Conditional(JCacheProviderAvailableCondition.class)
-		static class JCacheProvider {}
+		static class JCacheProvider {
+		}
 
 		@ConditionalOnSingleCandidate(CacheManager.class)
-		static class CustomJCacheCacheManager {}
+		static class CustomJCacheCacheManager {
+		}
 
 	}
 

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

@@ -19,16 +19,14 @@ package org.springframework.boot.autoconfigure.cache;
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Collections;
+
 import javax.cache.configuration.CompleteConfiguration;
 import javax.cache.configuration.MutableConfiguration;
 import javax.cache.expiry.CreatedExpiryPolicy;
 import javax.cache.expiry.Duration;
 
-import com.google.common.cache.CacheBuilder;
-import com.hazelcast.cache.HazelcastCachingProvider;
-import com.hazelcast.core.HazelcastInstance;
-import com.hazelcast.spring.cache.HazelcastCacheManager;
 import net.sf.ehcache.Status;
+
 import org.infinispan.configuration.cache.ConfigurationBuilder;
 import org.infinispan.jcache.embedded.JCachingProvider;
 import org.infinispan.spring.provider.SpringEmbeddedCacheManager;
@@ -36,7 +34,6 @@ import org.junit.After;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
-
 import org.springframework.beans.DirectFieldAccessor;
 import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
@@ -65,6 +62,11 @@ import org.springframework.core.io.Resource;
 import org.springframework.data.redis.cache.RedisCacheManager;
 import org.springframework.data.redis.core.RedisTemplate;
 
+import com.google.common.cache.CacheBuilder;
+import com.hazelcast.cache.HazelcastCachingProvider;
+import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.spring.cache.HazelcastCacheManager;
+
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.Matchers.contains;
@@ -257,7 +259,8 @@ public class CacheAutoConfigurationTests {
 	public void jCacheCacheWithExistingJCacheManager() {
 		load(JCacheCustomCacheManager.class, "spring.cache.type=jcache");
 		JCacheCacheManager cacheManager = validateCacheManager(JCacheCacheManager.class);
-		assertThat(cacheManager.getCacheManager(), is(this.context.getBean("customJCacheCacheManager")));
+		assertThat(cacheManager.getCacheManager(),
+				is(this.context.getBean("customJCacheCacheManager")));
 	}
 
 	@Test
@@ -318,7 +321,8 @@ public class CacheAutoConfigurationTests {
 	public void ehCacheCacheWithExistingCacheManager() {
 		load(EhCacheCustomCacheManager.class, "spring.cache.type=ehcache");
 		EhCacheCacheManager cacheManager = validateCacheManager(EhCacheCacheManager.class);
-		assertThat(cacheManager.getCacheManager(), is(this.context.getBean("customEhCacheCacheManager")));
+		assertThat(cacheManager.getCacheManager(),
+				is(this.context.getBean("customEhCacheCacheManager")));
 	}
 
 	@Test
@@ -330,12 +334,14 @@ public class CacheAutoConfigurationTests {
 		assertThat(cacheManager.getCacheNames(), containsInAnyOrder("defaultCache"));
 		assertThat(cacheManager.getCacheNames(), hasSize(1));
 		assertThat(this.context.getBean(HazelcastInstance.class),
-				is(new DirectFieldAccessor(cacheManager).getPropertyValue("hazelcastInstance")));
+				is(new DirectFieldAccessor(cacheManager)
+						.getPropertyValue("hazelcastInstance")));
 	}
 
 	@Test
 	public void hazelcastCacheWithConfig() {
-		load(DefaultCacheConfiguration.class, "spring.cache.type=hazelcast",
+		load(DefaultCacheConfiguration.class,
+				"spring.cache.type=hazelcast",
 				"spring.cache.hazelcast.config=org/springframework/boot/autoconfigure/cache/hazelcast-specific.xml");
 		HazelcastCacheManager cacheManager = validateCacheManager(HazelcastCacheManager.class);
 		cacheManager.getCache("foobar");
@@ -355,7 +361,9 @@ public class CacheAutoConfigurationTests {
 	public void hazelcastCacheWithExistingHazelcastInstance() {
 		load(HazelcastCustomHazelcastInstance.class, "spring.cache.type=hazelcast");
 		HazelcastCacheManager cacheManager = validateCacheManager(HazelcastCacheManager.class);
-		assertThat(new DirectFieldAccessor(cacheManager).getPropertyValue("hazelcastInstance"),
+		assertThat(
+				new DirectFieldAccessor(cacheManager)
+						.getPropertyValue("hazelcastInstance"),
 				is(this.context.getBean("customHazelcastInstance")));
 	}
 
@@ -380,8 +388,7 @@ public class CacheAutoConfigurationTests {
 		JCacheCacheManager cacheManager = validateCacheManager(JCacheCacheManager.class);
 
 		Resource configResource = new ClassPathResource(configLocation);
-		assertThat(cacheManager.getCacheManager().getURI(),
-				is(configResource.getURI()));
+		assertThat(cacheManager.getCacheManager().getURI(), is(configResource.getURI()));
 	}
 
 	@Test
@@ -435,8 +442,7 @@ public class CacheAutoConfigurationTests {
 		JCacheCacheManager cacheManager = validateCacheManager(JCacheCacheManager.class);
 
 		Resource configResource = new ClassPathResource(configLocation);
-		assertThat(cacheManager.getCacheManager().getURI(),
-				is(configResource.getURI()));
+		assertThat(cacheManager.getCacheManager().getURI(), is(configResource.getURI()));
 	}
 
 	@Test
@@ -562,7 +568,8 @@ public class CacheAutoConfigurationTests {
 		@Bean
 		public javax.cache.CacheManager customJCacheCacheManager() {
 			javax.cache.CacheManager cacheManager = mock(javax.cache.CacheManager.class);
-			when(cacheManager.getCacheNames()).thenReturn(Collections.<String>emptyList());
+			when(cacheManager.getCacheNames()).thenReturn(
+					Collections.<String> emptyList());
 			return cacheManager;
 		}
 

spring-boot-samples/spring-boot-sample-cache/README.adoc

@@ -16,8 +16,9 @@ the application starts a client invokes the service with a random code every 500
 can look at the `/metrics` endpoint to review the cache statistics if your chosen
 caching provider is supported.
 
-== Using the JSR-107 annotations
 
+
+== Using the JSR-107 annotations
 The sample uses Spring's cache annotation. If you want to use the JSR-107 annotations
 instead, simply add the `javax.cache:cache-api` dependency to the project. No further
 configuration is necessary.
@@ -25,35 +26,40 @@ configuration is necessary.
 NOTE: You can use the JSR-107 annotations with _any_ cache provider; a JSR-107 compliant
 cache provider is not necessary.
 
-== Using a different cache provider
 
+
+== Using a different cache provider
 Initially, the project does not define any caching library so the abstraction works
 on simple `ConcurrentHashMap`-based caches. You can try out your favorite caching library
 as explained below.
 
-=== EhCache 2.x
 
+
+=== EhCache 2.x
 Simply add the `net.sf.ehcache:ehcache` dependency to the project. Since there is a
 default `ehcache.xml` configuration file at the root of the classpath, it is automatically
 used to configure the underlying `CacheManager`.
 
-=== Hazelcast
 
+
+=== Hazelcast
 Both `com.hazelcast:hazelcast` and `com.hazelcast:hazelcast-spring` should be added to
 the project to enable support for Hazelcast.  Since there is a default `hazelcast.xml`
 configuration file at the root of the classpath, it is used to automatically configure
 the underlying `HazelcastInstance`.
 
-=== Infinispan
 
+
+=== Infinispan
 Simply add the `org.infinispan:infinispan-spring4` dependency to enable support for
 Infinispan. There is no default location that Infinispan uses to look for a config
 file so if you don't specify anything it will bootstrap on a hardcoded default. You
 can set the `spring.cache.infinispan.config` property to use the provided
 `infinispan.xml` configuration instead.
 
-=== JCache (JSR-107)
 
+
+=== JCache (JSR-107)
 If you want to configure your cache infrastructure via the standard, you need a compliant
 implementation. You could try the following:
 
@@ -65,14 +71,16 @@ Since Spring Boot supports the native cache library and the JCache wrapper, you
 should set the `spring.cache.type` property to `jcache` to specify that you want the
 cache manager to be auto-configured that way.
 
-=== Redis
 
+
+=== Redis
 Add the `spring-boot-starter-redis` and make sure it is configured properly (by default,
 a redis instance with the default settings is expected on your local box).
 
-=== Guava
 
+
+=== Guava
 Spring Boot does not provide any dependency management for _Guava_ so you'll have to add
 the `com.google.guava:guava` dependency with a version. You can customize how caches are
 created in different ways, see `application.properties` for an example and the
-documentation for more details.
+documentation for more details.

spring-boot-samples/spring-boot-sample-cache/pom.xml

@@ -24,7 +24,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-cache</artifactId>
 		</dependency>
-
 		<!-- Only used to expose cache metrics  -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -34,12 +33,14 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-actuator</artifactId>
 		</dependency>
-
-		<!-- Additional cache providers
+		<!-- Additional cache providers (uncomment to try them) -->
+		<!--
 		<dependency>
 			<groupId>net.sf.ehcache</groupId>
 			<artifactId>ehcache</artifactId>
 		</dependency>
+		-->
+		<!--
 		<dependency>
 			<groupId>com.hazelcast</groupId>
 			<artifactId>hazelcast</artifactId>
@@ -48,6 +49,8 @@
 			<groupId>com.hazelcast</groupId>
 			<artifactId>hazelcast-spring</artifactId>
 		</dependency>
+		-->
+		<!--
 		<dependency>
 			<groupId>org.infinispan</groupId>
 			<artifactId>infinispan-spring4</artifactId>
@@ -56,17 +59,20 @@
 			<groupId>org.infinispan</groupId>
 			<artifactId>infinispan-jcache</artifactId>
 		</dependency>
-			<dependency>
+		-->
+		<!--
+		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-redis</artifactId>
 		</dependency>
+		-->
+		<!--
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
 			<version>18.0</version>
 		</dependency>
 		-->
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

spring-boot-samples/spring-boot-sample-cache/src/main/java/sample/CacheManagerCheck.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2012-2015 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
+ *
+ *      http://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 sample;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.cache.CacheManager;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CacheManagerCheck implements CommandLineRunner {
+
+	private final CacheManager cacheManager;
+
+	@Autowired
+	public CacheManagerCheck(CacheManager cacheManager) {
+		this.cacheManager = cacheManager;
+	}
+
+	@Override
+	public void run(String... strings) throws Exception {
+		SampleCacheApplication.logger.info("\n\n"
+				+ "=========================================================\n"
+				+ "Using cache manager: " + this.cacheManager.getClass().getName() + "\n"
+				+ "=========================================================\n\n");
+	}
+
+}

spring-boot-samples/spring-boot-sample-cache/src/main/java/sample/Country.java

@@ -28,22 +28,26 @@ public class Country implements Serializable {
 	}
 
 	public String getCode() {
-		return code;
+		return this.code;
 	}
 
 	@Override
 	public boolean equals(Object o) {
-		if (this == o) return true;
-		if (o == null || getClass() != o.getClass()) return false;
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
 
 		Country country = (Country) o;
 
-		return code.equals(country.code);
+		return this.code.equals(country.code);
 	}
 
 	@Override
 	public int hashCode() {
-		return code.hashCode();
+		return this.code.hashCode();
 	}
 
 }

spring-boot-samples/spring-boot-sample-cache/src/main/java/sample/SampleCacheApplication.java

@@ -18,46 +18,21 @@ package sample;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
-import org.springframework.cache.CacheManager;
 import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.scheduling.annotation.EnableScheduling;
-import org.springframework.stereotype.Component;
 
 @EnableCaching
 @EnableScheduling
 @SpringBootApplication
 public class SampleCacheApplication {
 
-	private static final Logger logger = LoggerFactory.getLogger(SampleCacheApplication.class);
+	static final Logger logger = LoggerFactory.getLogger(SampleCacheApplication.class);
 
 	public static void main(String[] args) {
-		new SpringApplicationBuilder()
-				.sources(SampleCacheApplication.class)
-				.profiles("app")
-				.run(args);
-	}
-
-	@Component
-	static class CacheManagerCheck implements CommandLineRunner {
-
-		private final CacheManager cacheManager;
-
-		@Autowired
-		CacheManagerCheck(CacheManager cacheManager) {
-			this.cacheManager = cacheManager;
-		}
-
-		@Override
-		public void run(String... strings) throws Exception {
-			logger.info("\n\n" + "=========================================================\n"
-					+ "Using cache manager: " + this.cacheManager.getClass().getName() + "\n"
-					+ "=========================================================\n\n");
-		}
+		new SpringApplicationBuilder().sources(SampleCacheApplication.class)
+				.profiles("app").run(args);
 	}
 
 }

spring-boot-samples/spring-boot-sample-cache/src/main/java/sample/SampleClient.java

@@ -29,23 +29,26 @@ import org.springframework.stereotype.Component;
 @Profile("app")
 class SampleClient {
 
-	private static final List<String> SAMPLE_COUNTRY_CODES = Arrays.asList("AF", "AX", "AL", "DZ", "AS",
-			"AD", "AO", "AI", "AQ", "AG", "AR", "AM", "AW", "AU", "AT", "AZ", "BS", "BH", "BD", "BB", "BY",
-			"BE", "BZ", "BJ", "BM", "BT", "BO", "BQ", "BA", "BW", "BV", "BR", "IO", "BN", "BG", "BF", "BI",
-			"KH", "CM", "CA", "CV", "KY", "CF", "TD", "CL", "CN", "CX", "CC", "CO", "KM", "CG", "CD", "CK",
-			"CR", "CI", "HR", "CU", "CW", "CY", "CZ", "DK", "DJ", "DM", "DO", "EC", "EG", "SV", "GQ", "ER",
-			"EE", "ET", "FK", "FO", "FJ", "FI", "FR", "GF", "PF", "TF", "GA", "GM", "GE", "DE", "GH", "GI",
-			"GR", "GL", "GD", "GP", "GU", "GT", "GG", "GN", "GW", "GY", "HT", "HM", "VA", "HN", "HK", "HU",
-			"IS", "IN", "ID", "IR", "IQ", "IE", "IM", "IL", "IT", "JM", "JP", "JE", "JO", "KZ", "KE", "KI",
-			"KP", "KR", "KW", "KG", "LA", "LV", "LB", "LS", "LR", "LY", "LI", "LT", "LU", "MO", "MK", "MG",
-			"MW", "MY", "MV", "ML", "MT", "MH", "MQ", "MR", "MU", "YT", "MX", "FM", "MD", "MC", "MN", "ME",
-			"MS", "MA", "MZ", "MM", "NA", "NR", "NP", "NL", "NC", "NZ", "NI", "NE", "NG", "NU", "NF", "MP",
-			"NO", "OM", "PK", "PW", "PS", "PA", "PG", "PY", "PE", "PH", "PN", "PL", "PT", "PR", "QA", "RE",
-			"RO", "RU", "RW", "BL", "SH", "KN", "LC", "MF", "PM", "VC", "WS", "SM", "ST", "SA", "SN", "RS",
-			"SC", "SL", "SG", "SX", "SK", "SI", "SB", "SO", "ZA", "GS", "SS", "ES", "LK", "SD", "SR", "SJ",
-			"SZ", "SE", "CH", "SY", "TW", "TJ", "TZ", "TH", "TL", "TG", "TK", "TO", "TT", "TN", "TR", "TM",
-			"TC", "TV", "UG", "UA", "AE", "GB", "US", "UM", "UY", "UZ", "VU", "VE", "VN", "VG", "VI", "WF",
-			"EH", "YE", "ZM", "ZW");
+	private static final List<String> SAMPLE_COUNTRY_CODES = Arrays.asList("AF", "AX",
+			"AL", "DZ", "AS", "AD", "AO", "AI", "AQ", "AG", "AR", "AM", "AW", "AU", "AT",
+			"AZ", "BS", "BH", "BD", "BB", "BY", "BE", "BZ", "BJ", "BM", "BT", "BO", "BQ",
+			"BA", "BW", "BV", "BR", "IO", "BN", "BG", "BF", "BI", "KH", "CM", "CA", "CV",
+			"KY", "CF", "TD", "CL", "CN", "CX", "CC", "CO", "KM", "CG", "CD", "CK", "CR",
+			"CI", "HR", "CU", "CW", "CY", "CZ", "DK", "DJ", "DM", "DO", "EC", "EG", "SV",
+			"GQ", "ER", "EE", "ET", "FK", "FO", "FJ", "FI", "FR", "GF", "PF", "TF", "GA",
+			"GM", "GE", "DE", "GH", "GI", "GR", "GL", "GD", "GP", "GU", "GT", "GG", "GN",
+			"GW", "GY", "HT", "HM", "VA", "HN", "HK", "HU", "IS", "IN", "ID", "IR", "IQ",
+			"IE", "IM", "IL", "IT", "JM", "JP", "JE", "JO", "KZ", "KE", "KI", "KP", "KR",
+			"KW", "KG", "LA", "LV", "LB", "LS", "LR", "LY", "LI", "LT", "LU", "MO", "MK",
+			"MG", "MW", "MY", "MV", "ML", "MT", "MH", "MQ", "MR", "MU", "YT", "MX", "FM",
+			"MD", "MC", "MN", "ME", "MS", "MA", "MZ", "MM", "NA", "NR", "NP", "NL", "NC",
+			"NZ", "NI", "NE", "NG", "NU", "NF", "MP", "NO", "OM", "PK", "PW", "PS", "PA",
+			"PG", "PY", "PE", "PH", "PN", "PL", "PT", "PR", "QA", "RE", "RO", "RU", "RW",
+			"BL", "SH", "KN", "LC", "MF", "PM", "VC", "WS", "SM", "ST", "SA", "SN", "RS",
+			"SC", "SL", "SG", "SX", "SK", "SI", "SB", "SO", "ZA", "GS", "SS", "ES", "LK",
+			"SD", "SR", "SJ", "SZ", "SE", "CH", "SY", "TW", "TJ", "TZ", "TH", "TL", "TG",
+			"TK", "TO", "TT", "TN", "TR", "TM", "TC", "TV", "UG", "UA", "AE", "GB", "US",
+			"UM", "UY", "UZ", "VU", "VE", "VN", "VG", "VI", "WF", "EH", "YE", "ZM", "ZW");
 
 	private final CountryRepository countryService;
 
@@ -59,7 +62,8 @@ class SampleClient {
 
 	@Scheduled(fixedDelay = 500)
 	public void retrieveCountry() {
-		String randomCode = SAMPLE_COUNTRY_CODES.get(random.nextInt(SAMPLE_COUNTRY_CODES.size()));
+		String randomCode = SAMPLE_COUNTRY_CODES.get(this.random
+				.nextInt(SAMPLE_COUNTRY_CODES.size()));
 		System.out.println("Looking for country with code '" + randomCode + "'");
 		this.countryService.findByCode(randomCode);
 	}

spring-boot-samples/spring-boot-sample-cache/src/main/resources/application.properties

@@ -1,5 +1,3 @@
-
-
 #
 # Infinispan configuration file location.
 #
@@ -16,4 +14,4 @@
 #
 # Guava configuration
 #
-#spring.cache.guava.spec=maximumSize=200,expireAfterAccess=600s
+#spring.cache.guava.spec=maximumSize=200,expireAfterAccess=600s

spring-boot-samples/spring-boot-sample-cache/src/test/java/sample/SampleCacheApplicationTests.java

@@ -18,7 +18,6 @@ package sample;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.SpringApplicationConfiguration;
 import org.springframework.cache.Cache;
@@ -31,10 +30,9 @@ import static org.hamcrest.Matchers.is;
 import static org.hamcrest.core.IsNull.notNullValue;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = {SampleCacheApplication.class})
+@SpringApplicationConfiguration(classes = { SampleCacheApplication.class })
 public class SampleCacheApplicationTests {
 
-
 	@Autowired
 	private CacheManager cacheManager;