Add auto-configuration support for Apache Geode as a caching provider.

Author: jxblum

spring-boot-autoconfigure/pom.xml

@@ -351,6 +351,11 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.data</groupId>
+			<artifactId>spring-data-geode</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-jpa</artifactId>

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

@@ -27,6 +27,7 @@
  *
  * @author Phillip Webb
  * @author Eddú Meléndez
+ * @author John Blum
  */
 final class CacheConfigurations {
 
@@ -43,6 +44,7 @@ final class CacheConfigurations {
 		mappings.put(CacheType.REDIS, RedisCacheConfiguration.class);
 		mappings.put(CacheType.CAFFEINE, CaffeineCacheConfiguration.class);
 		mappings.put(CacheType.GUAVA, GuavaCacheConfiguration.class);
+		mappings.put(CacheType.GEODE, GeodeCacheConfiguration.class);
 		mappings.put(CacheType.SIMPLE, SimpleCacheConfiguration.class);
 		mappings.put(CacheType.NONE, NoOpCacheConfiguration.class);
 		MAPPINGS = Collections.unmodifiableMap(mappings);

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

@@ -22,6 +22,7 @@
  * @author Stephane Nicoll
  * @author Phillip Webb
  * @author Eddú Meléndez
+ * @author John Blum
  * @since 1.3.0
  */
 public enum CacheType {
@@ -71,6 +72,11 @@ public enum CacheType {
 	 */
 	GUAVA,
 
+	/**
+	 * Apache Geode backed caching.
+	 */
+	GEODE,
+
 	/**
 	 * Simple in-memory caching.
 	 */

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

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2011-2016 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 org.springframework.boot.autoconfigure.cache;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import com.gemstone.gemfire.cache.Cache;
+import com.gemstone.gemfire.cache.GemFireCache;
+import com.gemstone.gemfire.cache.Region;
+import com.gemstone.gemfire.cache.client.ClientCache;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.cache.CacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Conditional;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.gemfire.CacheFactoryBean;
+import org.springframework.data.gemfire.client.ClientCacheFactoryBean;
+import org.springframework.data.gemfire.support.GemfireCacheManager;
+import org.springframework.util.Assert;
+import org.springframework.util.CollectionUtils;
+
+/**
+ * GemFire cache configuration.
+ *
+ * @author John Blum
+ * @see com.gemstone.gemfire.cache.Cache
+ * @see com.gemstone.gemfire.cache.GemFireCache
+ * @see com.gemstone.gemfire.cache.client.ClientCache
+ * @see org.springframework.context.annotation.Bean
+ * @see org.springframework.context.annotation.Configuration
+ * @see org.springframework.data.gemfire.support.GemfireCacheManager
+ * @since 1.5.0
+ */
+@Configuration
+@ConditionalOnBean({ CacheFactoryBean.class, Cache.class,
+	ClientCacheFactoryBean.class, ClientCache.class })
+@ConditionalOnClass(GemfireCacheManager.class)
+@ConditionalOnMissingBean(CacheManager.class)
+@Conditional(CacheCondition.class)
+class GeodeCacheConfiguration {
+
+	private final CacheProperties cacheProperties;
+
+	private final CacheManagerCustomizers cacheManagerCustomizers;
+
+	GeodeCacheConfiguration(CacheProperties cacheProperties,
+			CacheManagerCustomizers cacheManagerCustomizers) {
+
+		this.cacheProperties = cacheProperties;
+		this.cacheManagerCustomizers = cacheManagerCustomizers;
+	}
+
+	@Bean
+	public GemfireCacheManager cacheManager(GemFireCache gemfireCache) {
+		GemfireCacheManager cacheManager = new GemfireCacheManager();
+
+		cacheManager.setCache((Cache) gemfireCache);
+
+		Set<Region<?, ?>> regions = getRegions(gemfireCache);
+
+		if (!CollectionUtils.isEmpty(regions)) {
+			cacheManager.setRegions(regions);
+		}
+
+		return this.cacheManagerCustomizers.customize(cacheManager);
+	}
+
+	private Set<Region<?, ?>> getRegions(GemFireCache gemfireCache) {
+		List<String> cacheNames = this.cacheProperties.getCacheNames();
+		Set<Region<?, ?>> regions = new HashSet<Region<?, ?>>(cacheNames.size());
+
+		for (String cacheName : cacheNames) {
+			Region<?, ?> region = gemfireCache.getRegion(cacheName);
+			Assert.notNull(region, String.format("No Region for cache name [%s] was found", cacheName));
+			regions.add(region);
+		}
+
+		return regions;
+	}
+}