Upgraded to JCache 1.0 RC1

Also completing 4.0's consistency efforts between Spring's cache adapters.

build.gradle

@@ -65,7 +65,6 @@ configure(allprojects) { project ->
 		maven { url "http://repo.spring.io/libs-release" }
 		maven { url "http://repo.spring.io/milestone" }  // for AspectJ 1.8.0.M1
 		maven { url "https://repository.apache.org/content/repositories/releases" }  // tomcat 8
-		// maven { url "https://repository.apache.org/content/repositories/snapshots" }  // tomcat 8 snapshots
 		maven { url "https://maven.java.net/content/repositories/releases" }  // javax.websocket, tyrus
 		maven { url "https://oss.sonatype.org/content/repositories/releases" }  // javax.cache
 	}
@@ -506,7 +505,7 @@ project("spring-context-support") {
 		optional(project(":spring-jdbc")) // for Quartz support
 		optional(project(":spring-tx")) // for Quartz support
 		optional("javax.mail:mail:1.4.7")
-		optional("javax.cache:cache-api:1.0.0-PFD")
+		optional("javax.cache:cache-api:1.0.0-RC1")
 		optional("com.google.guava:guava:14.0.1")
 		optional("net.sf.ehcache:ehcache-core:2.6.5")
 		optional("org.quartz-scheduler:quartz:1.8.6") {

spring-context-support/src/main/java/org/springframework/cache/ehcache/EhCacheCache.java

@@ -50,12 +50,12 @@ public class EhCacheCache implements Cache {
 
 
 	@Override
-	public String getName() {
+	public final String getName() {
 		return this.cache.getName();
 	}
 
 	@Override
-	public Ehcache getNativeCache() {
+	public final Ehcache getNativeCache() {
 		return this.cache;
 	}
 

spring-context-support/src/main/java/org/springframework/cache/ehcache/EhCacheCacheManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -46,7 +46,7 @@ public class EhCacheCacheManager extends AbstractTransactionSupportingCacheManag
 	}
 
 	/**
-	 * Create a new EhCacheCacheManager for the given backing EhCache.
+	 * Create a new EhCacheCacheManager for the given backing EhCache CacheManager.
 	 * @param cacheManager the backing EhCache {@link net.sf.ehcache.CacheManager}
 	 */
 	public EhCacheCacheManager(net.sf.ehcache.CacheManager cacheManager) {
@@ -71,15 +71,16 @@ public class EhCacheCacheManager extends AbstractTransactionSupportingCacheManag
 
 	@Override
 	protected Collection<Cache> loadCaches() {
-		Assert.notNull(this.cacheManager, "A backing EhCache CacheManager is required");
-		Status status = this.cacheManager.getStatus();
+		net.sf.ehcache.CacheManager cacheManager = getCacheManager();
+		Assert.notNull(cacheManager, "A backing EhCache CacheManager is required");
+		Status status = cacheManager.getStatus();
 		Assert.isTrue(Status.STATUS_ALIVE.equals(status),
 				"An 'alive' EhCache CacheManager is required - current cache is " + status.toString());
 
-		String[] names = this.cacheManager.getCacheNames();
+		String[] names = cacheManager.getCacheNames();
 		Collection<Cache> caches = new LinkedHashSet<Cache>(names.length);
 		for (String name : names) {
-			caches.add(new EhCacheCache(this.cacheManager.getEhcache(name)));
+			caches.add(new EhCacheCache(cacheManager.getEhcache(name)));
 		}
 		return caches;
 	}
@@ -90,7 +91,7 @@ public class EhCacheCacheManager extends AbstractTransactionSupportingCacheManag
 		if (cache == null) {
 			// check the EhCache cache again
 			// (in case the cache was added at runtime)
-			Ehcache ehcache = this.cacheManager.getEhcache(name);
+			Ehcache ehcache = getCacheManager().getEhcache(name);
 			if (ehcache != null) {
 				cache = new EhCacheCache(ehcache);
 				addCache(cache);

spring-context-support/src/main/java/org/springframework/cache/guava/GuavaCache.java

@@ -67,16 +67,16 @@ public class GuavaCache implements Cache {
 
 
 	@Override
-	public String getName() {
+	public final String getName() {
 		return this.name;
 	}
 
 	@Override
-	public com.google.common.cache.Cache<Object, Object> getNativeCache() {
+	public final com.google.common.cache.Cache<Object, Object> getNativeCache() {
 		return this.cache;
 	}
 
-	public boolean isAllowNullValues() {
+	public final boolean isAllowNullValues() {
 		return this.allowNullValues;
 	}
 

spring-context-support/src/main/java/org/springframework/cache/guava/GuavaCacheManager.java

@@ -26,7 +26,6 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheBuilderSpec;
 import com.google.common.cache.CacheLoader;
 
-import org.springframework.beans.factory.DisposableBean;
 import org.springframework.cache.Cache;
 import org.springframework.cache.CacheManager;
 import org.springframework.util.Assert;
@@ -49,7 +48,7 @@ import org.springframework.util.Assert;
  * @since 4.0
  * @see GuavaCache
  */
-public class GuavaCacheManager implements CacheManager, DisposableBean {
+public class GuavaCacheManager implements CacheManager {
 
 	private final ConcurrentMap<String, Cache> cacheMap = new ConcurrentHashMap<String, Cache>(16);
 
@@ -59,6 +58,8 @@ public class GuavaCacheManager implements CacheManager, DisposableBean {
 
 	private CacheLoader<Object, Object> cacheLoader;
 
+	private boolean allowNullValues = true;
+
 
 	/**
 	 * Construct a dynamic GuavaCacheManager,
@@ -133,6 +134,24 @@ public class GuavaCacheManager implements CacheManager, DisposableBean {
 		this.cacheLoader = cacheLoader;
 	}
 
+	/**
+	 * Specify whether to accept and convert {@code null} values for all caches
+	 * in this cache manager.
+	 * <p>Default is "true", despite Guava itself not supporting {@code null} values.
+	 * An internal holder object will be used to store user-level {@code null}s.
+	 */
+	public void setAllowNullValues(boolean allowNullValues) {
+		this.allowNullValues = allowNullValues;
+	}
+
+	/**
+	 * Return whether this cache manager accepts and converts {@code null} values
+	 * for all of its caches.
+	 */
+	public boolean isAllowNullValues() {
+		return this.allowNullValues;
+	}
+
 
 	@Override
 	public Collection<String> getCacheNames() {
@@ -160,7 +179,7 @@ public class GuavaCacheManager implements CacheManager, DisposableBean {
 	 * @return the Spring GuavaCache adapter (or a decorator thereof)
 	 */
 	protected Cache createGuavaCache(String name) {
-		return new GuavaCache(name, createNativeGuavaCache(name));
+		return new GuavaCache(name, createNativeGuavaCache(name), isAllowNullValues());
 	}
 
 	/**
@@ -177,12 +196,4 @@ public class GuavaCacheManager implements CacheManager, DisposableBean {
 		}
 	}
 
-
-	@Override
-	public void destroy() {
-		for (Cache cache : this.cacheMap.values()) {
-
-		}
-	}
-
 }

spring-context-support/src/main/java/org/springframework/cache/jcache/JCacheCache.java

@@ -26,7 +26,7 @@ import org.springframework.util.Assert;
  * {@link org.springframework.cache.Cache} implementation on top of a
  * {@link javax.cache.Cache} instance.
  *
- * <p>Note: This class has been updated for JCache 0.11, as of Spring 4.0.
+ * <p>Note: This class has been updated for JCache 1.0, as of Spring 4.0.
  *
  * @author Juergen Hoeller
  * @since 3.2
@@ -35,8 +35,7 @@ public class JCacheCache implements Cache {
 
 	private static final Object NULL_HOLDER = new NullHolder();
 
-	@SuppressWarnings("rawtypes")
-	private final javax.cache.Cache cache;
+	private final javax.cache.Cache<Object, Object> cache;
 
 	private final boolean allowNullValues;
 
@@ -45,7 +44,7 @@ public class JCacheCache implements Cache {
 	 * Create an {@link org.springframework.cache.jcache.JCacheCache} instance.
 	 * @param jcache backing JCache Cache instance
 	 */
-	public JCacheCache(javax.cache.Cache<?,?> jcache) {
+	public JCacheCache(javax.cache.Cache<Object, Object> jcache) {
 		this(jcache, true);
 	}
 
@@ -54,7 +53,7 @@ public class JCacheCache implements Cache {
 	 * @param jcache backing JCache Cache instance
 	 * @param allowNullValues whether to accept and convert null values for this cache
 	 */
-	public JCacheCache(javax.cache.Cache<?,?> jcache, boolean allowNullValues) {
+	public JCacheCache(javax.cache.Cache<Object, Object> jcache, boolean allowNullValues) {
 		Assert.notNull(jcache, "Cache must not be null");
 		this.cache = jcache;
 		this.allowNullValues = allowNullValues;
@@ -62,21 +61,20 @@ public class JCacheCache implements Cache {
 
 
 	@Override
-	public String getName() {
+	public final String getName() {
 		return this.cache.getName();
 	}
 
 	@Override
-	public javax.cache.Cache<?,?> getNativeCache() {
+	public final javax.cache.Cache<Object, Object> getNativeCache() {
 		return this.cache;
 	}
 
-	public boolean isAllowNullValues() {
+	public final boolean isAllowNullValues() {
 		return this.allowNullValues;
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	public ValueWrapper get(Object key) {
 		Object value = this.cache.get(key);
 		return (value != null ? new SimpleValueWrapper(fromStoreValue(value)) : null);
@@ -93,13 +91,11 @@ public class JCacheCache implements Cache {
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	public void put(Object key, Object value) {
 		this.cache.put(key, toStoreValue(value));
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	public void evict(Object key) {
 		this.cache.remove(key);
 	}

spring-context-support/src/main/java/org/springframework/cache/jcache/JCacheCacheManager.java

@@ -28,7 +28,7 @@ import org.springframework.cache.transaction.AbstractTransactionSupportingCacheM
  * {@link org.springframework.cache.CacheManager} implementation
  * backed by a JCache {@link javax.cache.CacheManager}.
  *
- * <p>Note: This class has been updated for JCache 0.11, as of Spring 4.0.
+ * <p>Note: This class has been updated for JCache 1.0, as of Spring 4.0.
  *
  * @author Juergen Hoeller
  * @since 3.2
@@ -71,17 +71,17 @@ public class JCacheCacheManager extends AbstractTransactionSupportingCacheManage
 	}
 
 	/**
-	 * Specify whether to accept and convert null values for all caches
+	 * Specify whether to accept and convert {@code null} values for all caches
 	 * in this cache manager.
-	 * <p>Default is "true", despite JSR-107 itself not supporting null values.
-	 * An internal holder object will be used to store user-level null values.
+	 * <p>Default is "true", despite JSR-107 itself not supporting {@code null} values.
+	 * An internal holder object will be used to store user-level {@code null}s.
 	 */
 	public void setAllowNullValues(boolean allowNullValues) {
 		this.allowNullValues = allowNullValues;
 	}
 
 	/**
-	 * Return whether this cache manager accepts and converts null values
+	 * Return whether this cache manager accepts and converts {@code null} values
 	 * for all of its caches.
 	 */
 	public boolean isAllowNullValues() {
@@ -90,8 +90,8 @@ public class JCacheCacheManager extends AbstractTransactionSupportingCacheManage
 
 	@Override
 	public void afterPropertiesSet() {
-		if (this.cacheManager == null) {
-			this.cacheManager = Caching.getCachingProvider().getCacheManager();
+		if (getCacheManager() == null) {
+			setCacheManager(Caching.getCachingProvider().getCacheManager());
 		}
 		super.afterPropertiesSet();
 	}
@@ -100,9 +100,9 @@ public class JCacheCacheManager extends AbstractTransactionSupportingCacheManage
 	@Override
 	protected Collection<Cache> loadCaches() {
 		Collection<Cache> caches = new LinkedHashSet<Cache>();
-		for (String cacheName : this.cacheManager.getCacheNames()) {
-			javax.cache.Cache<Object, Object> jcache = this.cacheManager.getCache(cacheName);
-			caches.add(new JCacheCache(jcache, this.allowNullValues));
+		for (String cacheName : getCacheManager().getCacheNames()) {
+			javax.cache.Cache<Object, Object> jcache = getCacheManager().getCache(cacheName);
+			caches.add(new JCacheCache(jcache, isAllowNullValues()));
 		}
 		return caches;
 	}
@@ -111,11 +111,10 @@ public class JCacheCacheManager extends AbstractTransactionSupportingCacheManage
 	public Cache getCache(String name) {
 		Cache cache = super.getCache(name);
 		if (cache == null) {
-			// check the JCache cache again
-			// (in case the cache was added at runtime)
-			javax.cache.Cache<?,?> jcache = this.cacheManager.getCache(name);
+			// Check the JCache cache again (in case the cache was added at runtime)
+			javax.cache.Cache<Object, Object> jcache = getCacheManager().getCache(name);
 			if (jcache != null) {
-				cache = new JCacheCache(jcache, this.allowNullValues);
+				cache = new JCacheCache(jcache, isAllowNullValues());
 				addCache(cache);
 			}
 		}

spring-context-support/src/main/java/org/springframework/cache/jcache/JCacheManagerFactoryBean.java

@@ -32,7 +32,7 @@ import org.springframework.beans.factory.InitializingBean;
  * obtaining a pre-defined CacheManager by name through the standard
  * JCache {@link javax.cache.Caching} class.
  *
- * <p>Note: This class has been updated for JCache 0.11, as of Spring 4.0.
+ * <p>Note: This class has been updated for JCache 1.0, as of Spring 4.0.
  *
  * @author Juergen Hoeller
  * @since 3.2

spring-context/src/main/java/org/springframework/cache/concurrent/ConcurrentMapCache.java

@@ -87,16 +87,16 @@ public class ConcurrentMapCache implements Cache {
 
 
 	@Override
-	public String getName() {
+	public final String getName() {
 		return this.name;
 	}
 
 	@Override
-	public ConcurrentMap<Object, Object> getNativeCache() {
+	public final ConcurrentMap<Object, Object> getNativeCache() {
 		return this.store;
 	}
 
-	public boolean isAllowNullValues() {
+	public final boolean isAllowNullValues() {
 		return this.allowNullValues;
 	}
 

spring-context/src/main/java/org/springframework/cache/concurrent/ConcurrentMapCacheManager.java

@@ -47,6 +47,8 @@ public class ConcurrentMapCacheManager implements CacheManager {
 
 	private boolean dynamic = true;
 
+	private boolean allowNullValues = true;
+
 
 	/**
 	 * Construct a dynamic ConcurrentMapCacheManager,
@@ -78,6 +80,25 @@ public class ConcurrentMapCacheManager implements CacheManager {
 		}
 	}
 
+	/**
+	 * Specify whether to accept and convert {@code null} values for all caches
+	 * in this cache manager.
+	 * <p>Default is "true", despite ConcurrentHashMap itself not supporting {@code null}
+	 * values. An internal holder object will be used to store user-level {@code null}s.
+	 */
+	public void setAllowNullValues(boolean allowNullValues) {
+		this.allowNullValues = allowNullValues;
+	}
+
+	/**
+	 * Return whether this cache manager accepts and converts {@code null} values
+	 * for all of its caches.
+	 */
+	public boolean isAllowNullValues() {
+		return this.allowNullValues;
+	}
+
+
 	@Override
 	public Collection<String> getCacheNames() {
 		return Collections.unmodifiableSet(this.cacheMap.keySet());
@@ -104,7 +125,7 @@ public class ConcurrentMapCacheManager implements CacheManager {
 	 * @return the ConcurrentMapCache (or a decorator thereof)
 	 */
 	protected Cache createConcurrentMapCache(String name) {
-		return new ConcurrentMapCache(name);
+		return new ConcurrentMapCache(name, isAllowNullValues());
 	}
 
 }