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package cn.wisenergy.common.utils;
import com.alibaba.fastjson.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;
/**
* Redis工具类
*
*/
@Component
public class RedisUtil {
@Autowired
private RedisTemplate<String, Object> redisTemplate;
@Autowired
private ValueOperations<String, String> valueOperations;
@Autowired
private HashOperations<String, String, Object> hashOperations;
@Autowired
private ListOperations<String, Object> listOperations;
@Autowired
private SetOperations<String, Object> setOperations;
@Autowired
private ZSetOperations<String, Object> zSetOperations;
/** 不设置过期时长 */
public final static long NOT_EXPIRE = -1;
public void set(String key, Object value){
set(key, value);
}
public void set(String key, Object value, long expire){
valueOperations.set(key, toJson(value), expire, TimeUnit.SECONDS);
}
public void set(String key, Object value, long expire, TimeUnit var5){
valueOperations.set(key, toJson(value), expire, var5);
}
public <T> T get(String key, Class<T> clazz, long expire) {
String value = valueOperations.get(key);
if(expire != NOT_EXPIRE){
redisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return value == null ? null : fromJson(value, clazz);
}
public <T> T get(String key, Class<T> clazz) {
return get(key, clazz, NOT_EXPIRE);
}
public String get(String key, long expire) {
String value = valueOperations.get(key);
if(expire != NOT_EXPIRE){
redisTemplate.expire(key, expire, TimeUnit.SECONDS);
}
return value;
}
public String get(String key) {
return get(key, NOT_EXPIRE);
}
public Boolean delete(String key) {
return redisTemplate.delete(key);
}
/**
* Object转成JSON数据
*/
private String toJson(Object object){
if(object instanceof Integer || object instanceof Long || object instanceof Float ||
object instanceof Double || object instanceof Boolean || object instanceof String){
return String.valueOf(object);
}
return JSON.toJSONString(object);
}
/**
* JSON数据，转成Object
*/
private <T> T fromJson(String json, Class<T> clazz){
return JSON.parseObject(json, clazz);
}
}