com.github.cynaith.jedis

Class Ledis

java.lang.Object

com.github.cynaith.jedis.Ledis

All Implemented Interfaces:

LedisCommands

public class Ledis
extends Object
implements LedisCommands

Author:

: Cynaith

See Also:

LedisCommands, refer : https://blog.csdn.net/weixin_34152820/article/details/86443458

Constructor Summary

Constructors

Constructor and Description
Ledis(String host, int port)
Ledis(String host, int port, String password)

Method Summary

Modifier and Type	Method and Description
Long	del(String key)
Boolean	exists(String key)
Object	get(String key)
Long	hdel(String key, String... keys)
boolean	hexists(String key, String mapkey)
Map<String,Object>	hgetAll(String key) 获取全部元素k-V 包括Object和String
Set<String>	hkeys(String key)
Long	hlen(String key)
List<Object>	hmget(String key, String... mapkeys) 获取Hash中一个或多个元素value 包含Object和String
String	hmset(String key, Map<String,Object> map) Map(String,String)和Map(byte[],byte[]) 转换成 Map(String,Object) 注：Object支持String，会自动转换
Long	hset(String key, String mapkey, Object mapvalue) 支持向HashMap插入Object
List<Object>	hvals(String key) 获取全部元素的value 包括Object和String
Object	lindex(String key, int index)
Long	llen(String key)
String	lpop(String key)
Long	lpush(String key, Object... objects) 从左边追加一个Object到list(key)中
Long	lpush(String key, String... strings) 以上为String操作 以下为List操作
Long	lrem(String key, long count, Object value) 增加对Object的删除
String	lset(String key, int index, Object value) 增加对Object的修改
String	ltrim(String key, int i, int j)
List<Object>	mget(String... key)
List<Object>	mgetWithNull(String emptyValue, String... key) 当key不存在时，返回emptyValue
String	randomKey()
String	rename(String oldKey, String newKey)
String	rpop(String key)
Long	rpush(String key, Object... objects) 从右边追加一个Object到list(key)中
Long	rpush(String key, String... strings)
Long	sadd(String key, Object... objects) Set不允许出现重复元素 对象属性相同也是重复的
List<String>	scan(String prefix, String suffix)
Long	scared(String key)
Set<Object>	sdiff(String key1, String key2) 获取集合key1和key2的差集 (不区分对象字符串)
String	set(String key, Object value)
void	setJedis(redis.clients.jedis.Jedis jedis)
Long	setnx(String key, Object value)
Set<Object>	sinter(String key1, String key2) 获取集合key1和key2的交集 (不区分对象字符串)
Set<Object>	smember(String key) 获取key对应Set的所有元素 （不区分对象字符串）
Long	smove(String key1, String key2, Object val) 将元素从 key1(Set) 中移到 key2(Set) 中 （不区分对象字符串）
List<String>	sort(String key)
List<Object>	sortObj(String key) 代优化 对象排序 好像没有用 可以加一个对象参数排序（仅支持int、long）;
Object	spop(String key) 随机删除一个元素 （不区分对象字符串）
Long	srem(String key, Object... objects) 删除key对应Set中的Object （也可以是String）
Set<Object>	sunion(String key1, String key2) 获取集合key1和key2的并集 (不区分对象字符串)
String	type(String key)
Long	zadd(String key, double score, String member)
Long	zadd(String key, Map<String,Double> map)
Long	zcard(String key)
Long	zcount(String key, double i, double j) 获取ZSet中score在[i,j]区间的元素个数
Double	zincrby(String key, double n, String value) 把ZSet中value元素的score+=n
Map<String,Double>	zrangByScoreWithScores(String key, double i, double j) 修改原返回值 Map(Tuple) 为 Map(String , Double)
Set<String>	zrange(String key, int i, int j)
Set<String>	zrangeByScore(String key, double i, double j)
Map<String,Double>	zrangeWithScores(String key, int i, int j) 修改原返回值 Map(Tuple) 为 Map(String , Double)
Long	zrank(String key, String value)
Long	zrem(String key, String... value)
Double	zscore(String key, String value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Ledis

public Ledis(String host,
             int port)

Ledis

public Ledis(String host,
             int port,
             String password)

Method Detail

setJedis

public void setJedis(redis.clients.jedis.Jedis jedis)

type

public String type(String key)

Specified by:

type in interface LedisCommands

Parameters:

key - redis中存储的key

Returns:

返回键为key所对应value的数据类型

exists

public Boolean exists(String key)

Specified by:

exists in interface LedisCommands

Parameters:

key - Redis中存储的key

Returns:

返回是否在redis中是否存在key

randomKey

public String randomKey()

Specified by:

randomKey in interface LedisCommands

Returns:

随机返回一个key

rename

public String rename(String oldKey,
                     String newKey)

Specified by:

rename in interface LedisCommands

Parameters:

oldKey - 旧key名

newKey - 新key名

Returns:

将键oldkey改为newkey,当命名相同或不存在时返回错误

del

public Long del(String key)

Specified by:

del in interface LedisCommands

Parameters:

key - redis中对应的key

Returns:

移除一个key,返回id

scan

public List<String> scan(String prefix,
                         String suffix)

Specified by:

scan in interface LedisCommands

Parameters:

prefix - 检索前缀

suffix - 检索后缀

Returns:

检索列表

setnx

public Long setnx(String key,
                  Object value)

Specified by:

setnx in interface LedisCommands

Parameters:

key - redis中对应的key

value - redis中对应的key

Returns:

redis中对应的id

mget

public List<Object> mget(String... key)

Specified by:

mget in interface LedisCommands

Parameters:

key - redis对应的多个key

Returns:

返回多个key对应的List

mgetWithNull

public List<Object> mgetWithNull(String emptyValue,
                                 String... key)

当key不存在时，返回emptyValue

Specified by:

mgetWithNull in interface LedisCommands

Parameters:

emptyValue - emptyValue

key - key

Returns:

object object

set

public String set(String key,
                  Object value)

Specified by:

set in interface LedisCommands

Parameters:

key - redis中对应的key

value - redis中对应的value(插入对象)

Returns:

插入成功返回OK

get

public Object get(String key)

Specified by:

get in interface LedisCommands

Parameters:

key - redis中对应的key

Returns:

key对应的对象 (或字符串对象)

lpush

public Long lpush(String key,
                  String... strings)

以上为String操作 以下为List操作

Specified by:

lpush in interface LedisCommands

Parameters:

key - redis中list对应的key

strings - 向list左插入多个字符串

Returns:

返回列表长度

rpush

public Long rpush(String key,
                  String... strings)

Specified by:

rpush in interface LedisCommands

Parameters:

key - redis中list对应的key

strings - 向list右插入多个字符串

Returns:

返回列表长度

lpush

public Long lpush(String key,
                  Object... objects)

从左边追加一个Object到list(key)中

Specified by:

lpush in interface LedisCommands

Parameters:

key - key

objects - objects

Returns:

object object

rpush

public Long rpush(String key,
                  Object... objects)

从右边追加一个Object到list(key)中

Specified by:

rpush in interface LedisCommands

Parameters:

key - key

objects - objects

Returns:

object object

llen

public Long llen(String key)

Specified by:

llen in interface LedisCommands

Parameters:

key - redis中list对应的key

Returns:

返回列表长度

lindex

public Object lindex(String key,
                     int index)

Specified by:

lindex in interface LedisCommands

Parameters:

key - redis中list对应的key

index - redis中list对应的索引

Returns:

list对应索引处的对象

lrem

public Long lrem(String key,
                 long count,
                 Object value)

Description copied from interface: LedisCommands

增加对Object的删除

Specified by:

lrem in interface LedisCommands

Parameters:

key - redis中list对应的key

count - 删除数量

value - 删除的value

Returns:

返回列表长度

ltrim

public String ltrim(String key,
                    int i,
                    int j)

Specified by:

ltrim in interface LedisCommands

Parameters:

key - redis中list对应的key

i - 删除区间左边界

j - 删除区间右边界

Returns:

状态码

lpop

public String lpop(String key)

Specified by:

lpop in interface LedisCommands

Parameters:

key - redis中list对应的key

Returns:

左侧弹出队列的元素

rpop

public String rpop(String key)

Specified by:

rpop in interface LedisCommands

Parameters:

key - redis中list对应的key

Returns:

右侧弹出队列的元素

lset

public String lset(String key,
                   int index,
                   Object value)

Description copied from interface: LedisCommands

增加对Object的修改

Specified by:

lset in interface LedisCommands

Parameters:

key - redis中list对应的key

index - 插入处索引

value - 插入新value

Returns:

状态码

sort

public List<String> sort(String key)

Specified by:

sort in interface LedisCommands

sortObj

public List<Object> sortObj(String key)

Description copied from interface: LedisCommands

代优化 对象排序 好像没有用 可以加一个对象参数排序（仅支持int、long）;

Specified by:

sortObj in interface LedisCommands

Parameters:

key - redis中list对应的key

Returns:

排序后list

sadd

public Long sadd(String key,
                 Object... objects)

Description copied from interface: LedisCommands

Set不允许出现重复元素 对象属性相同也是重复的

Specified by:

sadd in interface LedisCommands

Parameters:

key - redis中set对应的key

objects - 向set中插入的多个对象

Returns:

添加成功返回1 失败则0

smember

public Set<Object> smember(String key)

Description copied from interface: LedisCommands

获取key对应Set的所有元素 （不区分对象字符串）

Specified by:

smember in interface LedisCommands

Parameters:

key - redis中set对应的key

Returns:

返回key对应的全部对象 包含字符串对象

srem

public Long srem(String key,
                 Object... objects)

Description copied from interface: LedisCommands

删除key对应Set中的Object （也可以是String）

Specified by:

srem in interface LedisCommands

Parameters:

key - redis中set对应的key

objects - 删除的对象

Returns:

元素被删除返回1，否则0

spop

public Object spop(String key)

Description copied from interface: LedisCommands

随机删除一个元素 （不区分对象字符串）

Specified by:

spop in interface LedisCommands

Parameters:

key - redis中set对应的key

Returns:

key对应的set中随机元素，失败返回nil

scared

public Long scared(String key)

Specified by:

scared in interface LedisCommands

Parameters:

key - redis中set对应的key

Returns:

set中元素个数

smove

public Long smove(String key1,
                  String key2,
                  Object val)

Description copied from interface: LedisCommands

将元素从 key1(Set) 中移到 key2(Set) 中 （不区分对象字符串）

Specified by:

smove in interface LedisCommands

Parameters:

key1 - redis中set对应的key

key2 - redis中set对应的key

val - 移动的对象

Returns:

移动成功返回1，否则0

sinter

public Set<Object> sinter(String key1,
                          String key2)

Description copied from interface: LedisCommands

获取集合key1和key2的交集 (不区分对象字符串)

Specified by:

sinter in interface LedisCommands

Parameters:

key1 - redis中set对应的key

key2 - redis中set对应的key

Returns:

返回两个set的交集

sunion

public Set<Object> sunion(String key1,
                          String key2)

Description copied from interface: LedisCommands

获取集合key1和key2的并集 (不区分对象字符串)

Specified by:

sunion in interface LedisCommands

Parameters:

key1 - redis中set对应的key

key2 - redis中set对应的key

Returns:

返回两个set的并集

sdiff

public Set<Object> sdiff(String key1,
                         String key2)

Description copied from interface: LedisCommands

获取集合key1和key2的差集 (不区分对象字符串)

Specified by:

sdiff in interface LedisCommands

Parameters:

key1 - redis中set对应的key

key2 - redis中set对应的key

Returns:

返回两个set的差集

zadd

public Long zadd(String key,
                 Map<String,Double> map)

Specified by:

zadd in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

map - 向SortedSet插入多个值

Returns:

成功返回1，否则0

zadd

public Long zadd(String key,
                 double score,
                 String member)

Specified by:

zadd in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

score - sortedset对应的score

member - redis中sortedset对应的member

Returns:

成功返回1，否则0

zrange

public Set<String> zrange(String key,
                          int i,
                          int j)

Specified by:

zrange in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

i - 区间左边界

j - 区间右边界

Returns:

区间内的K

zrangeWithScores

public Map<String,Double> zrangeWithScores(String key,
                                           int i,
                                           int j)

Description copied from interface: LedisCommands

修改原返回值 Map(Tuple) 为 Map(String , Double)

Specified by:

zrangeWithScores in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

i - 区间左边界

j - 区间右边界

Returns:

区间内的K-V

zrangeByScore

public Set<String> zrangeByScore(String key,
                                 double i,
                                 double j)

Specified by:

zrangeByScore in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

i - score区间左边界

j - score区间右边界

Returns:

区间内的K

zrangByScoreWithScores

public Map<String,Double> zrangByScoreWithScores(String key,
                                                 double i,
                                                 double j)

Description copied from interface: LedisCommands

修改原返回值 Map(Tuple) 为 Map(String , Double)

Specified by:

zrangByScoreWithScores in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

i - score区间左边界

j - score区间右边界

Returns:

区间内的K-V

zscore

public Double zscore(String key,
                     String value)

Specified by:

zscore in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

value - sortedset中的K

Returns:

sortedset中K对应的score

zrank

public Long zrank(String key,
                  String value)

Specified by:

zrank in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

value - sortedset中的K

Returns:

返回sortedset中K的排名

zrem

public Long zrem(String key,
                 String... value)

Specified by:

zrem in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

value - sortedset中的K

Returns:

成功返回1，否则0

zcard

public Long zcard(String key)

Specified by:

zcard in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

Returns:

当 key 存在且是有序集类型时，返回有序集的基数。 当 key 不存在时，返回 0 。

zcount

public Long zcount(String key,
                   double i,
                   double j)

Description copied from interface: LedisCommands

获取ZSet中score在[i,j]区间的元素个数

Specified by:

zcount in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

i - score区间左边界

j - score区间右边界

Returns:

区间内元素个数

zincrby

public Double zincrby(String key,
                      double n,
                      String value)

Description copied from interface: LedisCommands

把ZSet中value元素的score+=n

Specified by:

zincrby in interface LedisCommands

Parameters:

key - redis中sortedset对应的key

n - 增加n

value - sortedset中的K

Returns:

增加后数值

hmset

public String hmset(String key,
                    Map<String,Object> map)

Description copied from interface: LedisCommands

Map(String,String)和Map(byte[],byte[]) 转换成 Map(String,Object) 注：Object支持String，会自动转换

Specified by:

hmset in interface LedisCommands

Parameters:

key - redis中hash对应的key

map - 向hash中插入多个值

Returns:

状态码

hmget

public List<Object> hmget(String key,
                          String... mapkeys)

Description copied from interface: LedisCommands

获取Hash中一个或多个元素value 包含Object和String

Specified by:

hmget in interface LedisCommands

Parameters:

key - redis中hash对应的key

mapkeys - hash中的K

Returns:

返回K对应的V

hset

public Long hset(String key,
                 String mapkey,
                 Object mapvalue)

Description copied from interface: LedisCommands

支持向HashMap插入Object

Specified by:

hset in interface LedisCommands

Parameters:

key - redis中hash对应的key

mapkey - hash中的K

mapvalue - hash中的K

Returns:

状态码

hgetAll

public Map<String,Object> hgetAll(String key)

Description copied from interface: LedisCommands

获取全部元素k-V 包括Object和String

Specified by:

hgetAll in interface LedisCommands

Parameters:

key - redis中hash对应的key

Returns:

hash中的K-V

hkeys

public Set<String> hkeys(String key)

Specified by:

hkeys in interface LedisCommands

Parameters:

key - redis中hash对应的key

Returns:

hash中的全部K

hvals

public List<Object> hvals(String key)

Description copied from interface: LedisCommands

获取全部元素的value 包括Object和String

Specified by:

hvals in interface LedisCommands

Parameters:

key - redis中hash对应的key

Returns:

hash中的全部V

hdel

public Long hdel(String key,
                 String... keys)

Specified by:

hdel in interface LedisCommands

Parameters:

key - redis中hash对应的key

keys - hash中的K

Returns:

状态码

hlen

public Long hlen(String key)

Specified by:

hlen in interface LedisCommands

Parameters:

key - redis中hash对应的key

Returns:

hash长度

hexists

public boolean hexists(String key,
                       String mapkey)

Specified by:

hexists in interface LedisCommands

Parameters:

key - redis中hash对应的key

mapkey - hash中的K

Returns:

是否存在