sample.config.RedisConfig.java Source code

Introduction

Here is the source code for sample.config.RedisConfig.java

Source

/*
 * 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. 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 sample.config;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.session.ExpiringSession;
import org.springframework.session.data.redis.RedisOperationsSessionRepository;
import redis.embedded.RedisServer;

import java.io.IOException;
import java.net.ServerSocket;

/**
 * @author Rob Winch
 */
@Configuration
public class RedisConfig {

    @Bean
    public RedisServerBean redisServer() {
        return new RedisServerBean();
    }

    class RedisServerBean implements InitializingBean, DisposableBean {
        private RedisServer redisServer;

        @Override
        public void afterPropertiesSet() throws Exception {
            redisServer = new RedisServer(getPort());
            redisServer.start();
        }

        @Override
        public void destroy() throws Exception {
            if (redisServer != null) {
                redisServer.stop();
            }
        }
    }

    @Bean
    public JedisConnectionFactory connectionFactory() throws Exception {
        JedisConnectionFactory factory = new JedisConnectionFactory();
        factory.setPort(getPort());
        return factory;
    }

    @Bean
    public RedisTemplate<String, ExpiringSession> redisTemplate(RedisConnectionFactory connectionFactory) {
        RedisTemplate<String, ExpiringSession> template = new RedisTemplate<String, ExpiringSession>();
        template.setKeySerializer(new StringRedisSerializer());
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setConnectionFactory(connectionFactory);
        return template;
    }

    @Bean
    public RedisOperationsSessionRepository sessionRepository(
            RedisTemplate<String, ExpiringSession> redisTemplate) {
        return new RedisOperationsSessionRepository(redisTemplate);
    }

    private Integer availablePort;

    private int getPort() throws IOException {
        if (availablePort == null) {
            ServerSocket socket = new ServerSocket(0);
            availablePort = socket.getLocalPort();
            socket.close();
        }
        return availablePort;
    }
}