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Chapter 2. Externalizing sessions with Spring Session

Store session data for Spring applications in Data Grid caches and independently of the container.

2.1. Externalizing Sessions with Spring Session
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Use the Spring Session API to externalize session data to Data Grid.

Procedure

  1. Add dependencies to your pom.xml.

    • Embedded caches: infinispan-spring6-embedded

    • Remote caches: infinispan-spring6-remote

      The following example is for remote caches: 

      <dependencies>
    <dependency>
        <groupId>org.infinispan</groupId>
        <artifactId>infinispan-core</artifactId>
    </dependency>
    <dependency>
        <groupId>org.infinispan</groupId>
        <artifactId>infinispan-spring6-remote</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${version.spring}</version>
    </dependency>
    <dependency>
       <groupId>org.springframework.session</groupId>
       <artifactId>spring-session-core</artifactId>
       <version>${version.spring}</version>
   </dependency>
   <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-web</artifactId>
       <version>${version.spring}</version>
   </dependency>
</dependencies>
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  2. Specify the appropriate FactoryBean to expose a CacheManager instance.

    • Embedded caches: SpringEmbeddedCacheManagerFactoryBean
    • Remote caches: SpringRemoteCacheManagerFactoryBean

  3. Enable Spring Session with the appropriate annotation.

    • Embedded caches: @EnableInfinispanEmbeddedHttpSession

    • Remote caches: @EnableInfinispanRemoteHttpSession

      These annotations have optional parameters:

      • maxInactiveIntervalInSeconds sets session expiration time in seconds. The default is 1800.
      • cacheName specifies the name of the cache that stores sessions. The default is sessions.

The following example shows a complete, annotation-based configuration: 

@EnableInfinispanEmbeddedHttpSession
@Configuration
public class Config {

   @Bean
   public SpringEmbeddedCacheManagerFactoryBean springCacheManager() {
      return new SpringEmbeddedCacheManagerFactoryBean();
   }

   //An optional configuration bean responsible for replacing the default
   //cookie that obtains configuration.
   //For more information refer to the Spring Session documentation.
   @Bean
   public HttpSessionIdResolver httpSessionIdResolver() {
       return HeaderHttpSessionIdResolver.xAuthToken();
   }
}
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