package com.dream21th.dream21thredis.redis;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.dream21th.dream21thredis.key.KeyPrefix;
import com.dream21th.dream21thredis.util.ObjectUtils;
import com.dream21th.dream21thredis.util.StringUtils;
import lombok.extern.slf4j.Slf4j;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.exceptions.JedisException;
/**
* 单机方式redis连接客户端
*
* @author dream21th
*
*/
@Slf4j
@Service("jedisClient")
public class JedisClient implements IJedisClient {
@Autowired
private JedisPool jedisPool;
/**
* 获取对象值
* */
public <T> T get(KeyPrefix prefix, String key, Class<T> clazz) {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
//key
String realKey = prefix.getPrefix() + key;
String str = jedis.get(realKey);
T t = ObjectUtils.stringToBean(str, clazz);
return t;
}finally {
returnResource(jedis);
}
}
/**
* 给对象设定值
* */
public <T> boolean set(KeyPrefix prefix, String key, T value) {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
String str =ObjectUtils.beanToString(value);
if(str == null || str.length() <= 0) {
return false;
}
//key
String realKey = prefix.getPrefix() + key;
int seconds = prefix.expireSeconds();
if(seconds <= 0) {
jedis.set(realKey, str);
}else {
jedis.setex(realKey, seconds, str);
}
return true;
}finally {
returnResource(jedis);
}
}
@Override
public <T> T getT(String key) {
T value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
value = toT(jedis.get(getBytesKey(key)));
log.debug("getObject {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getObject {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
@Override
public <T> String setT(String key, T value, int cacheSeconds) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.set(getBytesKey(key), toBytes(value));
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setObject {} = {}", key, value);
} catch (Exception e) {
log.warn("setObject {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 判断键值是否存在
* */
public <T> boolean exists(KeyPrefix prefix, String key) {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
//key
String realKey = prefix.getPrefix() + key;
return jedis.exists(realKey);
}finally {
returnResource(jedis);
}
}
/**
* 增加一个值
* */
public <T> Long incr(KeyPrefix prefix, String key) {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
//key
String realKey = prefix.getPrefix() + key;
return jedis.incr(realKey);
}finally {
returnResource(jedis);
}
}
/**
* 减少一个值
* */
public <T> Long decr(KeyPrefix prefix, String key) {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
//key
String realKey = prefix.getPrefix() + key;
return jedis.decr(realKey);
}finally {
returnResource(jedis);
}
}
/**
* 获取缓存
*
* @param key
* 键
* @return 值
*/
public String get(String key) {
String value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
value = jedis.get(key);
value = StringUtils.isNotBlank(value) && !"nil".equalsIgnoreCase(value) ? value : null;
log.debug("get {} = {}", key, value);
}
} catch (Exception e) {
log.warn("get {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 获取缓存
*
* @param key
* 键
* @return 值
*/
public Object getObject(String key) {
Object value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
value = toObject(jedis.get(getBytesKey(key)));
log.debug("getObject {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getObject {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 设置缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public String set(String key, String value, int cacheSeconds) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.set(key, value);
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("set {} = {}", key, value);
} catch (Exception e) {
log.warn("set {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 设置缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public String setObject(String key, Object value, int cacheSeconds) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.set(getBytesKey(key), toBytes(value));
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setObject {} = {}", key, value);
} catch (Exception e) {
log.warn("setObject {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 获取List缓存
*
* @param key
* 键
* @return 值
*/
public List<String> getList(String key) {
List<String> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
value = jedis.lrange(key, 0, -1);
log.debug("getList {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getList {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 获取List缓存
*
* @param key
* 键
* @return 值
*/
public List<Object> getObjectList(String key) {
List<Object> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
List<byte[]> list = jedis.lrange(getBytesKey(key), 0, -1);
value = new ArrayList<Object>();
for (byte[] bs : list) {
value.add(toObject(bs));
}
log.debug("getObjectList {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getObjectList {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 设置List缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public long setList(String key, List<String> value, int cacheSeconds) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
jedis.del(key);
}
/**
* 采用集合的toArray()方法直接把List集合转换成数组，这里需要注意，不能这样写： String[] array = (String[])
* mlist.toArray();
* 这样写的话，编译运行时会报类型无法转换java.lang.ClassCastException的错误，这是为何呢，这样写看起来没有问题啊
* 因为java中的强制类型转换是针对单个对象才有效果的，而List是多对象的集合，所以将整个List强制转换是不行的 正确的写法应该是这样的
*/
result = jedis.rpush(key, value.toArray(new String[0]));
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setList {} = {}", key, value);
} catch (Exception e) {
log.warn("setList {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 设置List缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public long setObjectList(String key, List<Object> value, int cacheSeconds) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
jedis.del(key);
}
List<byte[]> list = new ArrayList<byte[]>();
for (Object o : value) {
list.add(toBytes(o));
}
/*byte[][] bytes=new byte[list.size()][];
for(int i=0;i<list.size();i++) {
bytes[i]=list.get(i);
}*/
result = jedis.rpush(getBytesKey(key),list.toArray(new byte[0][]));
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setObjectList {} = {}", key, value);
} catch (Exception e) {
log.warn("setObjectList {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向List缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long listAdd(String key, String... value) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.rpush(key, value);
log.debug("listAdd {} = {}", key, value);
} catch (Exception e) {
log.warn("listAdd {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向List缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long listObjectAdd(String key, Object... value) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
List<byte[]> list = new ArrayList<byte[]>();
for (Object o : value) {
list.add(toBytes(o));
}
result = jedis.rpush(getBytesKey(key), list.toArray(new byte[0][]));
log.debug("listObjectAdd {} = {}", key, value);
} catch (Exception e) {
log.warn("listObjectAdd {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 获取缓存
*
* @param key
* 键
* @return 值
*/
public Set<String> getSet(String key) {
Set<String> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
value = jedis.smembers(key);
log.debug("getSet {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getSet {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 获取缓存
*
* @param key
* 键
* @return 值
*/
public Set<Object> getObjectSet(String key) {
Set<Object> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
value = new HashSet<Object>();
Set<byte[]> set = jedis.smembers(getBytesKey(key));
for (byte[] bs : set) {
value.add(toObject(bs));
}
log.debug("getObjectSet {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getObjectSet {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 设置Set缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public long setSet(String key, Set<String> value, int cacheSeconds) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
jedis.del(key);
}
result = jedis.sadd(key, (String[]) value.toArray());
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setSet {} = {}", key, value);
} catch (Exception e) {
log.warn("setSet {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 设置Set缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public long setObjectSet(String key, Set<Object> value, int cacheSeconds) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
jedis.del(key);
}
Set<byte[]> set = new HashSet<byte[]>();
for (Object o : value) {
set.add(toBytes(o));
}
result = jedis.sadd(getBytesKey(key), (byte[][]) set.toArray());
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setObjectSet {} = {}", key, value);
} catch (Exception e) {
log.warn("setObjectSet {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向Set缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long setSetAdd(String key, String... value) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.sadd(key, value);
log.debug("setSetAdd {} = {}", key, value);
} catch (Exception e) {
log.warn("setSetAdd {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向Set缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long setSetObjectAdd(String key, Object... value) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
Set<byte[]> set = new HashSet<byte[]>();
for (Object o : value) {
set.add(toBytes(o));
}
result = jedis.rpush(getBytesKey(key), set.toArray(new byte[0][]));
log.debug("setSetObjectAdd {} = {}", key, value);
} catch (Exception e) {
log.warn("setSetObjectAdd {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 获取Map缓存
*
* @param key
* 键
* @return 值
*/
public Map<String, String> getMap(String key) {
Map<String, String> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
value = jedis.hgetAll(key);
log.debug("getMap {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getMap {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 获取Map缓存
*
* @param key
* 键
* @return 值
*/
public Map<String, Object> getObjectMap(String key) {
Map<String, Object> value = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
value = new HashMap<String, Object>();
Map<byte[], byte[]> map = jedis.hgetAll(getBytesKey(key));
for (Map.Entry<byte[], byte[]> e : map.entrySet()) {
value.put(StringUtils.toString(e.getKey()), toObject(e.getValue()));
}
log.debug("getObjectMap {} = {}", key, value);
}
} catch (Exception e) {
log.warn("getObjectMap {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
/**
* 设置Map缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public String setMap(String key, Map<String, String> value, int cacheSeconds) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
jedis.del(key);
}
result = jedis.hmset(key, value);
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setMap {} = {}", key, value);
} catch (Exception e) {
log.warn("setMap {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 设置Map缓存
*
* @param key
* 键
* @param value
* 值
* @param cacheSeconds
* 超时时间，0为不超时
* @return
*/
public String setObjectMap(String key, Map<String, Object> value, int cacheSeconds) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
jedis.del(key);
}
Map<byte[], byte[]> map = new HashMap<byte[], byte[]>();
for (Map.Entry<String, Object> e : value.entrySet()) {
map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
}
result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>) map);
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
log.debug("setObjectMap {} = {}", key, value);
} catch (Exception e) {
log.warn("setObjectMap {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向Map缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public String mapPut(String key, Map<String, String> value) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.hmset(key, value);
log.debug("mapPut {} = {}", key, value);
} catch (Exception e) {
log.warn("mapPut {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 向Map缓存中添加值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public String mapObjectPut(String key, Map<String, Object> value) {
String result = null;
Jedis jedis = null;
try {
jedis = getResource();
Map<byte[], byte[]> map = new HashMap<byte[], byte[]>();
for (Map.Entry<String, Object> e : value.entrySet()) {
map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
}
result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>) map);
log.debug("mapObjectPut {} = {}", key, value);
} catch (Exception e) {
log.warn("mapObjectPut {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 移除Map缓存中的值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long mapRemove(String key, String mapKey) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.hdel(key, mapKey);
log.debug("mapRemove {} {}", key, mapKey);
} catch (Exception e) {
log.warn("mapRemove {} {}", key, mapKey, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 移除Map缓存中的值
*
* @param key
* 键
* @param value
* 值
* @return
*/
public long mapObjectRemove(String key, String mapKey) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.hdel(getBytesKey(key), getBytesKey(mapKey));
log.debug("mapObjectRemove {} {}", key, mapKey);
} catch (Exception e) {
log.warn("mapObjectRemove {} {}", key, mapKey, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 判断Map缓存中的Key是否存在
*
* @param key
* 键
* @param value
* 值
* @return
*/
public boolean mapExists(String key, String mapKey) {
boolean result = false;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.hexists(key, mapKey);
log.debug("mapExists {} {}", key, mapKey);
} catch (Exception e) {
log.warn("mapExists {} {}", key, mapKey, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 判断Map缓存中的Key是否存在
*
* @param key
* 键
* @param value
* 值
* @return
*/
public boolean mapObjectExists(String key, String mapKey) {
boolean result = false;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.hexists(getBytesKey(key), getBytesKey(mapKey));
log.debug("mapObjectExists {} {}", key, mapKey);
} catch (Exception e) {
log.warn("mapObjectExists {} {}", key, mapKey, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 删除缓存
*
* @param key
* 键
* @return
*/
public long del(String key) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(key)) {
result = jedis.del(key);
log.debug("del {}", key);
} else {
log.debug("del {} not exists", key);
}
} catch (Exception e) {
log.warn("del {}", key, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 删除缓存
*
* @param key
* 键
* @return
*/
public long delObject(String key) {
long result = 0;
Jedis jedis = null;
try {
jedis = getResource();
if (jedis.exists(getBytesKey(key))) {
result = jedis.del(getBytesKey(key));
log.debug("delObject {}", key);
} else {
log.debug("delObject {} not exists", key);
}
} catch (Exception e) {
log.warn("delObject {}", key, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 缓存是否存在
*
* @param key
* 键
* @return
*/
public boolean exists(String key) {
boolean result = false;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.exists(key);
log.debug("exists {}", key);
} catch (Exception e) {
log.warn("exists {}", key, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 缓存是否存在
*
* @param key
* 键
* @return
*/
public boolean existsObject(String key) {
boolean result = false;
Jedis jedis = null;
try {
jedis = getResource();
result = jedis.exists(getBytesKey(key));
log.debug("existsObject {}", key);
} catch (Exception e) {
log.warn("existsObject {}", key, e);
} finally {
returnResource(jedis);
}
return result;
}
/**
* 获取资源
*
* @return
* @throws JedisException
*/
public Jedis getResource() throws JedisException {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
// log.debug("getResource.", jedis);
} catch (JedisException e) {
log.warn("getResource.", e);
returnBrokenResource(jedis);
throw e;
}
return jedis;
}
/**
* 归还资源
*
* @param jedis
* @param isBroken
*/
public void returnBrokenResource(Jedis jedis) {
if (jedis != null) {
// jedisPool.returnBrokenResource(jedis);
jedis.close();
}
}
/**
* 释放资源
*
* @param jedis
* @param isBroken
*/
public void returnResource(Jedis jedis) {
if (jedis != null) {
// jedisPool.returnResource(jedis);
jedis.close();
}
}
/**
* 获取byte[]类型Key
*
* @param key
* @return
*/
public static byte[] getBytesKey(Object object) {
if (object instanceof String) {
return StringUtils.getBytes((String) object);
} else {
return ObjectUtils.serialize(object);
}
}
/**
* Object转换byte[]类型
*
* @param key
* @return
*/
public static byte[] toBytes(Object object) {
return ObjectUtils.serialize(object);
}
/**
* byte[]型转换Object
*
* @param key
* @return
*/
public static Object toObject(byte[] bytes) {
return ObjectUtils.unserialize(bytes);
}
/**
* byte[]型转换T
*
* @param key
* @return
*/
public static <T> T toT(byte[] bytes) {
return ObjectUtils.unserializeT(bytes);
}
}
