Add EnableEmbeddedRedis

Fixes gh-184

samples/rest/src/main/java/sample/HttpSessionConfig.java

@@ -15,10 +15,8 @@
  */
 package sample;
 
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Import;
 import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
 import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 import org.springframework.session.web.http.HeaderHttpSessionStrategy;
@@ -26,12 +24,12 @@ import org.springframework.session.web.http.HttpSessionStrategy;
 
 // tag::class[]
 @Configuration
-@Import(EmbeddedRedisConfiguration.class) // <1>
+@EnableEmbeddedRedis // <1>
 @EnableRedisHttpSession // <2>
 public class HttpSessionConfig {
 
 	@Bean
-	public JedisConnectionFactory connectionFactory(@Value("${redis.server.port}") int port) {
+	public JedisConnectionFactory connectionFactory(@RedisServerPort int port) {
 		JedisConnectionFactory factory = new JedisConnectionFactory();  // <3>
 		factory.setPort(port);
 		return factory;