本文共 10876 字,大约阅读时间需要 36 分钟。
pom构建:
- <modelVersion>4.0.0</modelVersion>
- <groupId>com.x.redis</groupId>
- <artifactId>springredis</artifactId>
- <version>0.0.1-SNAPSHOT</version>
-
- <dependencies>
- <dependency>
- <groupId>org.springframework.data</groupId>
- <artifactId>spring-data-redis</artifactId>
- <version>1.0.2.RELEASE</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-test</artifactId>
- <version>3.1.2.RELEASE</version>
- <scope>test</scope>
- </dependency>
-
- <dependency>
- <groupId>redis.clients</groupId>
- <artifactId>jedis</artifactId>
- <version>2.1.0</version>
- </dependency>
-
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- <version>4.8.2</version>
- <scope>test</scope>
- </dependency>
- </dependencies>
spring配置文件(applicationContext.xml):
- <?xml version="1.0" encoding="UTF-8"?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
- xmlns:context="http://www.springframework.org/schema/context"
- xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
- xmlns:aop="http://www.springframework.org/schema/aop"
- xsi:schemaLocation="
- http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
-
- <context:property-placeholder location="classpath:redis.properties" />
-
- <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
- <property name="maxIdle" value="${redis.maxIdle}" />
- <property name="maxActive" value="${redis.maxActive}" />
- <property name="maxWait" value="${redis.maxWait}" />
- <property name="testOnBorrow" value="${redis.testOnBorrow}" />
- </bean>
-
- <bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"
- p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}" p:pool-config-ref="poolConfig"/>
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- <bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
- <property name="connectionFactory" ref="connectionFactory" />
- </bean>
-
- <bean id="userDao" class="com.x.dao.impl.UserDao" />
- </beans>
redis.properties
- # Redis settings
- redis.host=localhost
- redis.port=6379
- redis.pass=java2000_wl
-
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- redis.maxIdle=300
- redis.maxActive=600
- redis.maxWait=1000
- redis.testOnBorrow=true
java代码:
- package com.x.entity;
-
- import java.io.Serializable;
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-
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- public class User implements Serializable {
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- private static final long serialVersionUID = -6011241820070393952L;
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- private String id;
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- private String name;
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- private String password;
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-
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- public User() {
-
- }
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-
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- public User(String id, String name, String password) {
- super();
- this.id = id;
- this.name = name;
- this.password = password;
- }
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-
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- public String getId() {
- return id;
- }
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- public void setId(String id) {
- this.id = id;
- }
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- public String getName() {
- return name;
- }
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- public void setName(String name) {
- this.name = name;
- }
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- public String getPassword() {
- return password;
- }
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- public void setPassword(String password) {
- this.password = password;
- }
- }
- package com.x.dao;
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- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.data.redis.core.RedisTemplate;
- import org.springframework.data.redis.serializer.RedisSerializer;
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- public abstract class AbstractBaseRedisDao<K, V> {
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- @Autowired
- protected RedisTemplate<K, V> redisTemplate;
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- public void setRedisTemplate(RedisTemplate<K, V> redisTemplate) {
- this.redisTemplate = redisTemplate;
- }
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-
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- protected RedisSerializer<String> getRedisSerializer() {
- return redisTemplate.getStringSerializer();
- }
- }
- package com.x.dao;
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- import java.util.List;
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- import com.x.entity.User;
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- public interface IUserDao {
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- boolean add(User user);
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- boolean add(List<User> list);
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- void delete(String key);
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- void delete(List<String> keys);
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- boolean update(User user);
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- User get(String keyId);
- }
- package com.x.dao.impl;
-
- import java.util.ArrayList;
- import java.util.List;
-
- import org.springframework.dao.DataAccessException;
- import org.springframework.data.redis.connection.RedisConnection;
- import org.springframework.data.redis.core.RedisCallback;
- import org.springframework.data.redis.serializer.RedisSerializer;
- import org.springframework.util.Assert;
-
- import com.x.dao.AbstractBaseRedisDao;
- import com.x.dao.IUserDao;
- import com.x.entity.User;
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- public class UserDao extends AbstractBaseRedisDao<String, User> implements IUserDao {
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- public boolean add(final User user) {
- boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
- public Boolean doInRedis(RedisConnection connection)
- throws DataAccessException {
- RedisSerializer<String> serializer = getRedisSerializer();
- byte[] key = serializer.serialize(user.getId());
- byte[] name = serializer.serialize(user.getName());
- return connection.setNX(key, name);
- }
- });
- return result;
- }
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- public boolean add(final List<User> list) {
- Assert.notEmpty(list);
- boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
- public Boolean doInRedis(RedisConnection connection)
- throws DataAccessException {
- RedisSerializer<String> serializer = getRedisSerializer();
- for (User user : list) {
- byte[] key = serializer.serialize(user.getId());
- byte[] name = serializer.serialize(user.getName());
- connection.setNX(key, name);
- }
- return true;
- }
- }, false, true);
- return result;
- }
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- public void delete(String key) {
- List<String> list = new ArrayList<String>();
- list.add(key);
- delete(list);
- }
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- public void delete(List<String> keys) {
- redisTemplate.delete(keys);
- }
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- public boolean update(final User user) {
- String key = user.getId();
- if (get(key) == null) {
- throw new NullPointerException("数据行不存在, key = " + key);
- }
- boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
- public Boolean doInRedis(RedisConnection connection)
- throws DataAccessException {
- RedisSerializer<String> serializer = getRedisSerializer();
- byte[] key = serializer.serialize(user.getId());
- byte[] name = serializer.serialize(user.getName());
- connection.set(key, name);
- return true;
- }
- });
- return result;
- }
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- public User get(final String keyId) {
- User result = redisTemplate.execute(new RedisCallback<User>() {
- public User doInRedis(RedisConnection connection)
- throws DataAccessException {
- RedisSerializer<String> serializer = getRedisSerializer();
- byte[] key = serializer.serialize(keyId);
- byte[] value = connection.get(key);
- if (value == null) {
- return null;
- }
- String name = serializer.deserialize(value);
- return new User(keyId, name, null);
- }
- });
- return result;
- }
- }
- import java.util.ArrayList;
- import java.util.List;
-
- import junit.framework.Assert;
-
- import org.junit.Test;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.test.context.ContextConfiguration;
- import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;
-
- import com.x.dao.IUserDao;
- import com.x.entity.User;
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- @ContextConfiguration(locations = { "classpath*:applicationContext.xml"})
- public class RedisTest extends AbstractJUnit4SpringContextTests {
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- @Autowired
- private IUserDao userDao;
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- @Test
- public void testAddUser() {
- User user = new User();
- user.setId("user1");
- user.setName("java2000_wl");
- boolean result = userDao.add(user);
- Assert.assertTrue(result);
- }
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- @Test
- public void testAddUsers1() {
- List<User> list = new ArrayList<User>();
- for (int i = 10; i < 50000; i++) {
- User user = new User();
- user.setId("user" + i);
- user.setName("java2000_wl" + i);
- list.add(user);
- }
- long begin = System.currentTimeMillis();
- for (User user : list) {
- userDao.add(user);
- }
- System.out.println(System.currentTimeMillis() - begin);
- }
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-
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- @Test
- public void testAddUsers2() {
- List<User> list = new ArrayList<User>();
- for (int i = 10; i < 1500000; i++) {
- User user = new User();
- user.setId("user" + i);
- user.setName("java2000_wl" + i);
- list.add(user);
- }
- long begin = System.currentTimeMillis();
- boolean result = userDao.add(list);
- System.out.println(System.currentTimeMillis() - begin);
- Assert.assertTrue(result);
- }
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- @Test
- public void testUpdate() {
- User user = new User();
- user.setId("user1");
- user.setName("new_password");
- boolean result = userDao.update(user);
- Assert.assertTrue(result);
- }
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- @Test
- public void testDelete() {
- String key = "user1";
- userDao.delete(key);
- }
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- @Test
- public void testDeletes() {
- List<String> list = new ArrayList<String>();
- for (int i = 0; i < 10; i++) {
- list.add("user" + i);
- }
- userDao.delete(list);
- }
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- @Test
- public void testGetUser() {
- String id = "user1";
- User user = userDao.get(id);
- Assert.assertNotNull(user);
- Assert.assertEquals(user.getName(), "java2000_wl");
- }
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- public void setUserDao(IUserDao userDao) {
- this.userDao = userDao;
- }
- }
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