redis java 2次封装

package com.feng;  

import com.common.utils.SerializeUtil;  
import org.springframework.beans.factory.annotation.Autowired;  
import redis.clients.jedis.Jedis;  
import redis.clients.jedis.JedisPool;  

import java.util.ArrayList;  
import java.util.List;  
import java.util.Set;  
import java.util.TreeSet;  

public class JedisUtil {  

    @Autowired  
    protected static JedisPool jedisPool;  
    private JedisUtil() {}  

    /** 
     * 简单的Get 
     * @param  
     * @param key 
     * @param requiredType 
     * @return 
     */  
    public static  T get(String key , Class...requiredType){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] skey = SerializeUtil.serialize(key);  
            return SerializeUtil.deserialize(jds.get(skey),requiredType);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 简单的set 
     * @param key 
     * @param value 
     */  
    public static void set(Object key ,Object value){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] skey = SerializeUtil.serialize(key);  
            byte[] svalue = SerializeUtil.serialize(value);  
            jds.set(skey, svalue);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
    }  
    /** 
     * 过期时间的 
     * @param key 
     * @param value 
     * @param timer (秒) 
     */  
    public static void setex(Object key, Object value, int timer) {  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] skey = SerializeUtil.serialize(key);  
            byte[] svalue = SerializeUtil.serialize(value);  
            jds.setex(skey, timer, svalue);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  

    }  
    /** 
     *  
     * @param  
     * @param mapkey map 
     * @param key    map里的key 
     * @param requiredType value的泛型类型 
     * @return 
     */  
    public static  T getVByMap(String mapkey,String key , Class requiredType){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] mkey = SerializeUtil.serialize(mapkey);  
            byte[] skey = SerializeUtil.serialize(key);  
            List result = jds.hmget(mkey, skey);  
            if(null != result && result.size() > 0 ){  
                byte[] x = result.get(0);  
                T resultObj = SerializeUtil.deserialize(x, requiredType);  
                return resultObj;  
            }  

        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     *  
     * @param mapkey map 
     * @param key    map里的key 
     * @param value   map里的value 
     */  
    public static void setVByMap(String mapkey,String key ,Object value){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] mkey = SerializeUtil.serialize(mapkey);  
            byte[] skey = SerializeUtil.serialize(key);  
            byte[] svalue = SerializeUtil.serialize(value);  
            jds.hset(mkey, skey,svalue);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  

    }  
    /** 
     * 删除Map里的值 
     * @param mapKey 
     * @param dkey 
     * @return 
     */  
    public static Object delByMapKey(String mapKey ,String...dkey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[][] dx = new byte[dkey.length][];  
            for (int i = 0; i < dkey.length; i++) {  
                dx[i] = SerializeUtil.serialize(dkey[i]);  
            }  
            byte[] mkey = SerializeUtil.serialize(mapKey);  
            Long result = jds.hdel(mkey, dx);  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return new Long(0);  
    }  

    /** 
     * 往redis里取set整个集合 
     *  
     * @param  
     * @param setKey 
     * @param requiredType 
     * @return 
     */  
    public static  Set getVByList(String setKey,Class requiredType){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] lkey = SerializeUtil.serialize(setKey);  
            Set set = new TreeSet();  
            Set xx = jds.smembers(lkey);  
            for (byte[] bs : xx) {  
                T t = SerializeUtil.deserialize(bs, requiredType);  
                set.add(t);  
            }  
            return set;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 获取Set长度 
     * @param setKey 
     * @return 
     */  
    public static Long getLenBySet(String setKey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            Long result = jds.scard(setKey);  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 删除Set 
     * @param dkey 
     * @return 
     */  
    public static Long delSetByKey(String key,String...dkey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            Long result = 0L;  
            if(null == dkey){  
                result = jds.srem(key);  
            }else{  
                result = jds.del(key);  
            }  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return new Long(0);  
    }  
    /** 
     * 随机 Set 中的一个值 
     * @param key 
     * @return 
     */  
    public static String srandmember(String key){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            String result = jds.srandmember(key);  
            return result;  
        } catch (Exception e){   
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 往redis里存Set 
     * @param setKey 
     * @param value 
     */  
    public static void setVBySet(String setKey,String value){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            jds.sadd(setKey, value);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
    }  
    /** 
     * 取set  
     * @param key 
     * @return 
     */  
    public static Set getSetByKey(String key){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            Set result = jds.smembers(key);  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  

    }  


    /** 
     * 往redis里存List 
     * @param listKey 
     * @param value 
     */  
    public static void setVByList(String listKey,Object value){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] lkey = SerializeUtil.serialize(listKey);  
            byte[] svalue = SerializeUtil.serialize(value);  
            jds.rpush(lkey, svalue);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
    }  
    /** 
     * 往redis里取list 
     *  
     * @param  
     * @param listKey 
     * @param start 
     * @param end 
     * @param requiredType 
     * @return 
     */  
    public static  List getVByList(String listKey,int start,int end,Class requiredType){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] lkey = SerializeUtil.serialize(listKey);  
            List list = new ArrayList();  
            List xx = jds.lrange(lkey,start,end);  
            for (byte[] bs : xx) {  
                T t = SerializeUtil.deserialize(bs, requiredType);  
                list.add(t);  
            }  
            return list;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 获取list长度 
     * @param listKey 
     * @return 
     */  
    public static Long getLenByList(String listKey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] lkey = SerializeUtil.serialize(listKey);  
            Long result = jds.llen(lkey);  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return null;  
    }  
    /** 
     * 删除 
     * @param dkey 
     * @return 
     */  
    public static Long delByKey(String...dkey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[][] dx = new byte[dkey.length][];  
            for (int i = 0; i < dkey.length; i++) {  
                dx[i] = SerializeUtil.serialize(dkey[i]);  
            }  
            Long result = jds.del(dx);  
            return result;  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return new Long(0);  
    }  
    /** 
     * 判断是否存在 
     * @param existskey 
     * @return 
     */  
    public static boolean exists(String existskey){  
        Jedis jds = null;  
        boolean isBroken = false;  
        try {  
            jds = jedisPool.getResource();  
            jds.select(0);  
            byte[] lkey = SerializeUtil.serialize(existskey);  
            return jds.exists(lkey);  
        } catch (Exception e) {  
            isBroken = true;  
            e.printStackTrace();  
        } finally {  
            returnResource(jds, isBroken);  
        }  
        return false;  
    }  
    /** 
     * 释放 
     * @param jedis 
     * @param isBroken 
     */  
    public static void returnResource(Jedis jedis, boolean isBroken) {  
        if (jedis == null)  
            return;  
            jedis.close();  
     }  
}  


package com.common.utils;  

import java.io.ByteArrayInputStream;  
import java.io.ByteArrayOutputStream;  
import java.io.Closeable;  
import java.io.IOException;  
import java.io.ObjectInputStream;  
import java.io.ObjectOutputStream;  

import net.sf.json.JSONObject;  

public class SerializeUtil {  
    static final Class CLAZZ = SerializeUtil.class;  

    public static byte[] serialize(Object value) {  
        if (value == null) {   
            throw new NullPointerException("Can't serialize null");  
        }  
        byte[] rv = null;  
        ByteArrayOutputStream bos = null;  
        ObjectOutputStream os = null;  
        try {  
            bos = new ByteArrayOutputStream();  
            os = new ObjectOutputStream(bos);  
            os.writeObject(value);  
            os.close();  
            bos.close();  
            rv = bos.toByteArray();  
        } catch (Exception e) {  
            LoggerUtils.fmtError(CLAZZ,e, "serialize error %s", JSONObject.fromObject(value));  
        } finally {  
            close(os);  
            close(bos);  
        }  
        return rv;  
    }  


    public static Object deserialize(byte[] in) {  
        return deserialize(in, Object.class);  
    }  

    public static  T deserialize(byte[] in, Class...requiredType) {  
        Object rv = null;  
        ByteArrayInputStream bis = null;  
        ObjectInputStream is = null;  
        try {  
            if (in != null) {  
                bis = new ByteArrayInputStream(in);  
                is = new ObjectInputStream(bis);  
                rv = is.readObject();  
            }  
        } catch (Exception e) {  
             LoggerUtils.fmtError(CLAZZ,e, "serialize error %s", in);  
        } finally {  
            close(is);  
            close(bis);  
        }  
        return (T) rv;  
    }  

    private static void close(Closeable closeable) {  
        if (closeable != null)  
            try {  
                closeable.close();  
            } catch (IOException e) {  
                 LoggerUtils.fmtError(CLAZZ, "close stream error");  
            }  
    }  

}  

你可能感兴趣的:(java,redis,java)