Add EnableEmbeddedRedis

Fixes gh-184
This commit is contained in:
Rob Winch
2015-04-09 17:02:56 -05:00
parent 88151b4287
commit 4a0aa6e608
30 changed files with 201 additions and 547 deletions

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@@ -1,110 +0,0 @@
/*
* Copyright 2002-2015 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;
import java.io.IOException;
import java.net.ServerSocket;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.PropertySource;
import redis.embedded.RedisServer;
/**
* Runs an embedded Redis instance. This is only necessary since we do not want
* users to have to setup a Redis instance. In a production environment, this
* would not be used since a Redis Server would be setup.
*
* @author Rob Winch
*/
@Configuration
//@org.springframework.context.annotation.PropertySource("classpath:application.properties")
public class EmbeddedRedisConfiguration {
@Bean
public static RedisServerBean redisServer(ConfigurableEnvironment env) {
RedisServerBean bean = new RedisServerBean();
env.getPropertySources().addLast(bean);
return bean;
}
@Bean
public static PropertySourcesPlaceholderConfigurer propertyPlaceholderConfigurer() {
return new PropertySourcesPlaceholderConfigurer();
}
/**
* Implements BeanDefinitionRegistryPostProcessor to ensure this Bean
* is initialized before any other Beans. Specifically, we want to ensure
* that the Redis Server is started before RedisHttpSessionConfiguration
* attempts to enable Keyspace notifications.
*/
static class RedisServerBean extends PropertySource<RedisServerBean> implements InitializingBean, DisposableBean, BeanDefinitionRegistryPostProcessor {
public static final String SERVER_PORT_PROP_NAME = "redis.server.port";
private final int port = getAvailablePort();
private RedisServer redisServer;
public RedisServerBean() {
super("redisServerPortPropertySource");
}
public void afterPropertiesSet() throws Exception {
redisServer = new RedisServer(port);
redisServer.start();
}
public void destroy() throws Exception {
if(redisServer != null) {
redisServer.stop();
}
}
public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {}
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {}
@Override
public Object getProperty(String name) {
if(SERVER_PORT_PROP_NAME.equals(name)) {
return port;
}
return null;
}
private static int getAvailablePort() {
ServerSocket socket = null;
try {
socket = new ServerSocket(0);
return socket.getLocalPort();
} catch(IOException e) {
throw new RuntimeException(e);
} finally {
try {
socket.close();
}catch(IOException e) {}
}
}
}
}

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@@ -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;

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@@ -1 +0,0 @@
redis.server.port=12345