2020-12-26 23:55:46 +08:00
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package cn.dev33.satoken.dao;
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2020-02-05 00:31:51 +08:00
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2021-01-07 22:03:44 +08:00
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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2020-02-05 00:31:51 +08:00
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import java.util.concurrent.TimeUnit;
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import org.springframework.beans.factory.annotation.Autowired;
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2021-01-02 04:00:49 +08:00
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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2020-02-05 00:31:51 +08:00
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.StringRedisTemplate;
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2020-02-17 23:54:18 +08:00
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import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
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2020-02-05 00:31:51 +08:00
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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2020-12-26 23:55:46 +08:00
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import org.springframework.stereotype.Component;
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2020-02-05 00:31:51 +08:00
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import cn.dev33.satoken.session.SaSession;
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2021-01-07 22:03:44 +08:00
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import cn.dev33.satoken.util.SaTokenInsideUtil;
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2020-02-05 00:31:51 +08:00
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/**
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2020-12-26 23:55:46 +08:00
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* sa-token持久层的实现类, 基于redis
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2021-01-30 18:06:14 +08:00
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*
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* @author kong
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*
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2020-02-05 00:31:51 +08:00
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*/
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2020-12-26 23:55:46 +08:00
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@Component
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2020-02-05 00:31:51 +08:00
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public class SaTokenDaoRedis implements SaTokenDao {
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2020-12-26 23:55:46 +08:00
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/**
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2021-01-30 18:06:14 +08:00
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* string专用
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2020-12-26 23:55:46 +08:00
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*/
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2020-02-05 00:31:51 +08:00
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@Autowired
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2021-01-02 04:00:49 +08:00
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public StringRedisTemplate stringRedisTemplate;
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2020-02-05 00:31:51 +08:00
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2020-12-26 23:55:46 +08:00
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/**
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* SaSession专用
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*/
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public RedisTemplate<String, SaSession> sessionRedisTemplate;
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2020-02-05 00:31:51 +08:00
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@Autowired
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2021-01-02 04:00:49 +08:00
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public void setSessionRedisTemplate(RedisConnectionFactory connectionFactory) {
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// 指定相应的序列化方案
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StringRedisSerializer keySerializer = new StringRedisSerializer();
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JdkSerializationRedisSerializer valueSerializer = new JdkSerializationRedisSerializer();
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// 构建RedisTemplate
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RedisTemplate<String, SaSession> template = new RedisTemplate<String, SaSession>();
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template.setConnectionFactory(connectionFactory);
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template.setKeySerializer(keySerializer);
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template.setHashKeySerializer(keySerializer);
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template.setValueSerializer(valueSerializer);
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template.setHashValueSerializer(valueSerializer);
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template.afterPropertiesSet();
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if(this.sessionRedisTemplate == null) {
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this.sessionRedisTemplate = template;
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}
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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2021-01-30 18:06:14 +08:00
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* 根据key获取value,如果没有,则返回空
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2020-12-26 23:55:46 +08:00
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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public String getValue(String key) {
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return stringRedisTemplate.opsForValue().get(key);
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 写入指定key-value键值对,并设定过期时间(单位:秒)
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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public void setValue(String key, String value, long timeout) {
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2020-12-23 18:49:22 +08:00
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// 判断是否为永不过期
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if(timeout == SaTokenDao.NEVER_EXPIRE) {
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stringRedisTemplate.opsForValue().set(key, value);
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} else {
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stringRedisTemplate.opsForValue().set(key, value, timeout, TimeUnit.SECONDS);
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}
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 修改指定key-value键值对 (过期时间取原来的值)
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2020-12-26 23:55:46 +08:00
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*/
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2020-12-14 01:34:11 +08:00
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@Override
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public void updateValue(String key, String value) {
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2020-12-23 18:49:22 +08:00
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long expire = getTimeout(key);
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// -2 = 无此键
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if(expire == SaTokenDao.NOT_VALUE_EXPIRE) {
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2020-12-14 01:34:11 +08:00
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return;
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}
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2020-12-24 18:11:12 +08:00
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this.setValue(key, value, expire);
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2020-12-14 01:34:11 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 删除一个指定的key
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2020-12-26 23:55:46 +08:00
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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public void deleteKey(String key) {
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stringRedisTemplate.delete(key);
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 根据key获取value,如果没有,则返回空
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*/
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2020-12-23 18:49:22 +08:00
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@Override
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public long getTimeout(String key) {
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return stringRedisTemplate.getExpire(key);
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}
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2021-01-02 04:00:49 +08:00
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/**
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* 修改指定key的剩余存活时间 (单位: 秒)
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*/
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@Override
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public void updateTimeout(String key, long timeout) {
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2021-01-09 01:24:37 +08:00
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// 判断是否想要设置为永久
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if(timeout == SaTokenDao.NEVER_EXPIRE) {
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long expire = getTimeout(key);
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if(expire == SaTokenDao.NEVER_EXPIRE) {
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// 如果其已经被设置为永久,则不作任何处理
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} else {
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// 如果尚未被设置为永久,那么再次set一次
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this.setValue(key, this.getValue(key), timeout);
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}
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return;
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}
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stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
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}
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2020-12-23 18:49:22 +08:00
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2020-12-26 23:55:46 +08:00
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/**
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* 根据指定key的Session,如果没有,则返回空
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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public SaSession getSession(String sessionId) {
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return sessionRedisTemplate.opsForValue().get(sessionId);
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 将指定Session持久化
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*/
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@Override
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public void saveSession(SaSession session, long timeout) {
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// 判断是否为永不过期
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if(timeout == SaTokenDao.NEVER_EXPIRE) {
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2021-01-02 04:00:49 +08:00
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sessionRedisTemplate.opsForValue().set(session.getId(), session);
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2020-12-23 18:49:22 +08:00
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} else {
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sessionRedisTemplate.opsForValue().set(session.getId(), session, timeout, TimeUnit.SECONDS);
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2020-12-23 18:49:22 +08:00
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}
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 更新指定session
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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2020-12-23 18:49:22 +08:00
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public void updateSession(SaSession session) {
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long expire = getSessionTimeout(session.getId());
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2021-01-30 18:06:14 +08:00
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// -2 = 无此键
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if(expire == SaTokenDao.NOT_VALUE_EXPIRE) {
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2020-02-05 00:31:51 +08:00
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return;
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}
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2020-12-24 18:11:12 +08:00
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this.saveSession(session, expire);
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 删除一个指定的session
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*/
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2020-02-05 00:31:51 +08:00
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@Override
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2020-12-23 18:49:22 +08:00
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public void deleteSession(String sessionId) {
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sessionRedisTemplate.delete(sessionId);
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2020-02-05 00:31:51 +08:00
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}
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2020-12-26 23:55:46 +08:00
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/**
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* 获取指定SaSession的剩余存活时间 (单位: 秒)
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*/
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2020-12-23 18:49:22 +08:00
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@Override
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public long getSessionTimeout(String sessionId) {
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return sessionRedisTemplate.getExpire(sessionId);
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2020-12-23 18:49:22 +08:00
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}
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2021-01-02 04:00:49 +08:00
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/**
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* 修改指定SaSession的剩余存活时间 (单位: 秒)
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*/
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@Override
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public void updateSessionTimeout(String sessionId, long timeout) {
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2021-01-09 01:24:37 +08:00
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// 判断是否想要设置为永久
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if(timeout == SaTokenDao.NEVER_EXPIRE) {
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long expire = getSessionTimeout(sessionId);
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if(expire == SaTokenDao.NEVER_EXPIRE) {
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// 如果其已经被设置为永久,则不作任何处理
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} else {
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// 如果尚未被设置为永久,那么再次set一次
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this.saveSession(this.getSession(sessionId), timeout);
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}
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return;
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}
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2021-01-02 04:00:49 +08:00
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sessionRedisTemplate.expire(sessionId, timeout, TimeUnit.SECONDS);
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}
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2021-01-07 22:03:44 +08:00
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/**
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* 搜索数据
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*/
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@Override
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public List<String> searchData(String prefix, String keyword, int start, int size) {
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Set<String> keys = stringRedisTemplate.keys(prefix + "*" + keyword + "*");
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List<String> list = new ArrayList<String>(keys);
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return SaTokenInsideUtil.searchList(list, start, size);
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}
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2021-01-02 04:00:49 +08:00
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2020-02-05 00:31:51 +08:00
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}
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