Spring Data Redis utility class

package com.hxkj.fsslr.core.utils;

import java.io.Serializable;
import java.util.concurrent.TimeUnit;

import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;

/** * ClassName:RedisUtils * Function: RedisUtils@author[email protected] Date: July 17, 2016 2:49:45 PM *@version 1.0
 * @sinceJDK 1.8 * /
public class RedisUtils {

	@SuppressWarnings("rawtypes")
	private static RedisTemplate redisTemplate = (RedisTemplate) SpringContextUtils
			.getBean("redisTemplate");
	
	/ * * *@Function: 
	 * @Title: save  
	 * @param key
	 * @param value
	 * @return   
	 * boolean    
	 * @author [email protected]   
	 * @dateJuly 17, 2016 3:36:36 PM *@SinceJDK 1.8 * /
	@SuppressWarnings("unchecked")
	public static boolean save(final String key,Object value){
		boolean result = false;
		try {
			ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
			operations.set(key,value);
			result = true;
		} catch (Exception e) {
			e.printStackTrace();
			return result;
		}
		return result;
	}
	
	/ * * *@Function: Save redis, need to pass in save time *@Title: save  
	 * @param key
	 * @param value
	 * @param saveTime
	 * boolean    
	 * @author [email protected]   
	 * @dateJuly 17, 2016 3:40:21 PM *@SinceJDK 1.8 * /
	@SuppressWarnings("unchecked")
	public static boolean save(final String key,Object value,Long saveTime){
		boolean result = false;
		try {
			ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
			operations.set(key,value);
			redisTemplate.expire(key, saveTime, TimeUnit.SECONDS);
			result = true;
		} catch (Exception e) {
			e.printStackTrace();
			return result;
		}
		return result;
	}
	
	/ * * *@FunctionValue * via key@Title: get  
	 * @param key
	 * @return   
	 * Object    
	 * @author [email protected]   
	 * @dateJuly 17, 2016 3:49:21 PM *@SinceJDK 1.8 * /
	@SuppressWarnings("unchecked")
	public static Object get(final String key){
		Object result = null;
		ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
		result = operations.get(key);
		return result;
	}
	
	/ * * *@Function: Checks whether the key-value pair * exists@Title: exists  
	 * @param key
	 * @return   
	 * boolean    
	 * @author [email protected]   
	 * @dateJuly 17, 2016 3:52:08 PM *@SinceJDK 1.8 * /
	@SuppressWarnings("unchecked")
	public static boolean exists(final String key){
		return redisTemplate.hasKey(key);
	}
	
	/ * * *@Function: Deletes a key-value pair *@Title: remove  
	 * @param key   
	 * void    
	 * @author [email protected]   
	 * @dateJuly 17, 2016 3:53:41 PM *@SinceJDK 1.8 * /
	@SuppressWarnings("unchecked")
	public static void remove(final String key){
		if(exists(key)){ redisTemplate.delete(key); }}}Copy the code