add guava cache manager

Author: yunheli

platform-api/pom.xml

@@ -65,6 +65,11 @@
       <artifactId>gson</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context-support</artifactId>
+    </dependency>
+
     <dependency>
       <groupId>org.hibernate</groupId>
       <artifactId>hibernate-validator</artifactId>

platform-api/src/main/java/com/flow/platform/api/config/CachingConfig.java

@@ -16,9 +16,11 @@
 
 package com.flow.platform.api.config;
 
+import com.google.common.cache.CacheBuilder;
+import java.util.concurrent.TimeUnit;
 import org.springframework.cache.CacheManager;
 import org.springframework.cache.annotation.EnableCaching;
-import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
+import org.springframework.cache.guava.GuavaCacheManager;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -29,8 +31,21 @@
 @EnableCaching
 public class CachingConfig {
 
+    private final static int EXPIRE_CACHE_SECOND = 3600 * 24;
+
+    private final static int MAX_CACHE_NUM = 1000;
+
+
+    private CacheBuilder cacheBuilder = CacheBuilder
+        .newBuilder()
+        .expireAfterAccess(EXPIRE_CACHE_SECOND, TimeUnit.SECONDS)
+        .maximumSize(MAX_CACHE_NUM);
+
+
     @Bean
     public CacheManager cacheManager() {
-        return new ConcurrentMapCacheManager();
+        GuavaCacheManager guavaCacheManager = new GuavaCacheManager();
+        guavaCacheManager.setCacheBuilder(cacheBuilder);
+        return guavaCacheManager;
     }
 }

pom.xml

@@ -57,6 +57,7 @@
     <javax.mail.version>1.5.5</javax.mail.version>
     <yamlbeans.version>1.12</yamlbeans.version>
     <velocity.version>1.5</velocity.version>
+    <spring-context-support.version>4.3.8.RELEASE</spring-context-support.version>
   </properties>
 
   <build>
@@ -94,6 +95,13 @@
 
   <dependencyManagement>
     <dependencies>
+
+      <dependency>
+        <groupId>org.springframework</groupId>
+        <artifactId>spring-context-support</artifactId>
+        <version>${spring-context-support.version}</version>
+      </dependency>
+
       <dependency>
         <groupId>javax.mail</groupId>
         <artifactId>javax.mail-api</artifactId>