103 lines
3.4 KiB
Java
103 lines
3.4 KiB
Java
/*
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* Copyright 2002-2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.config;
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/*
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* Copyright 2002-2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.io.IOException;
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import java.net.ServerSocket;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.DisposableBean;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
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import org.springframework.beans.factory.support.BeanDefinitionRegistry;
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import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import redis.embedded.RedisServer;
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/**
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* Runs an embedded Redis instance. This is only necessary since we do not want users to
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* have to setup a Redis instance. In a production environment, this would not be used
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* since a Redis Server would be setup.
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*
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* @author Rob Winch
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*/
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@Configuration
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public class EmbeddedRedisConfig {
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@Bean
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public static RedisServerBean redisServer() {
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return new RedisServerBean();
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}
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/**
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* Implements BeanDefinitionRegistryPostProcessor to ensure this Bean is initialized
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* before any other Beans. Specifically, we want to ensure that the Redis Server is
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* started before RedisHttpSessionConfiguration attempts to enable Keyspace
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* notifications.
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*/
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static class RedisServerBean implements InitializingBean, DisposableBean,
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BeanDefinitionRegistryPostProcessor, RedisConnectionProperties {
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private RedisServer redisServer;
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public void afterPropertiesSet() throws Exception {
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redisServer = new RedisServer(getPort());
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redisServer.start();
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}
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public void destroy() throws Exception {
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if (redisServer != null) {
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redisServer.stop();
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}
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}
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public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry)
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throws BeansException {
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}
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public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
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throws BeansException {
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}
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private Integer availablePort;
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public int getPort() throws IOException {
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if (availablePort == null) {
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ServerSocket socket = new ServerSocket(0);
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availablePort = socket.getLocalPort();
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socket.close();
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}
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return availablePort;
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}
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}
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} |