1、redisUtil
public class RedisUtils {
private Logger logger = LoggerFactory.getLogger(RedisUtils.class);
public final String KEY_PREFIX = "jeeplus";
private JedisPool jedisPool;
private JedisUtil JedisUtil;
public RedisUtils(JedisPool jedisPool) {
this.jedisPool = jedisPool;
}
/**
* 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;
logger.debug("get {} = {}", key, value);
}
} catch (Exception e) {
logger.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 = JedisUtil.getJedisClient();
if (jedis.exists(getBytesKey(key))) {
value = toObject(jedis.get(getBytesKey(key)));
logger.debug("getObject {} = {}", key, value);
}
} catch (Exception e) {
logger.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);
}
logger.debug("set {} = {}", key, value);
} catch (Exception e) {
logger.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 = JedisUtil.getJedisClient();
result = jedis.set(getBytesKey(key), toBytes(value));
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
logger.debug("setObject {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("getList {} = {}", key, value);
}
} catch (Exception e) {
logger.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 = Lists.newArrayList();
for (byte[] bs : list){
value.add(toObject(bs));
}
logger.debug("getObjectList {} = {}", key, value);
}
} catch (Exception e) {
logger.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);
}
result = jedis.rpush(key, (String[])value.toArray());
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
logger.debug("setList {} = {}", key, value);
} catch (Exception e) {
logger.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 = Lists.newArrayList();
for (Object o : value){
list.add(toBytes(o));
}
result = jedis.rpush(getBytesKey(key), (byte[][])list.toArray());
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
logger.debug("setObjectList {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("listAdd {} = {}", key, value);
} catch (Exception e) {
logger.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 = Lists.newArrayList();
for (Object o : value){
list.add(toBytes(o));
}
result = jedis.rpush(getBytesKey(key), (byte[][])list.toArray());
logger.debug("listObjectAdd {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("getSet {} = {}", key, value);
}
} catch (Exception e) {
logger.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 = Sets.newHashSet();
Set<byte[]> set = jedis.smembers(getBytesKey(key));
for (byte[] bs : set){
value.add(toObject(bs));
}
logger.debug("getObjectSet {} = {}", key, value);
}
} catch (Exception e) {
logger.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);
}
logger.debug("setSet {} = {}", key, value);
} catch (Exception e) {
logger.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 = Sets.newHashSet();
for (Object o : value){
set.add(toBytes(o));
}
result = jedis.sadd(getBytesKey(key), (byte[][])set.toArray());
if (cacheSeconds != 0) {
jedis.expire(key, cacheSeconds);
}
logger.debug("setObjectSet {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("setSetAdd {} = {}", key, value);
} catch (Exception e) {
logger.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 = Sets.newHashSet();
for (Object o : value){
set.add(toBytes(o));
}
result = jedis.rpush(getBytesKey(key), (byte[][])set.toArray());
logger.debug("setSetObjectAdd {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("getMap {} = {}", key, value);
}
} catch (Exception e) {
logger.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 = Maps.newHashMap();
Map<byte[], byte[]> map = jedis.hgetAll(getBytesKey(key));
for (Map.Entry<byte[], byte[]> e : map.entrySet()){
value.put(toString(e.getKey()), toObject(e.getValue()));
}
logger.debug("getObjectMap {} = {}", key, value);
}
} catch (Exception e) {
logger.warn("getObjectMap {} = {}", key, value, e);
} finally {
returnResource(jedis);
}
return value;
}
public static String toString(byte[] bytes){
try {
return new String(bytes, "UTF-8");
} catch (UnsupportedEncodingException e) {
return null;
}
}
/**
* 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);
}
logger.debug("setMap {} = {}", key, value);
} catch (Exception e) {
logger.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 = Maps.newHashMap();
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);
}
logger.debug("setObjectMap {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("mapPut {} = {}", key, value);
} catch (Exception e) {
logger.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 = Maps.newHashMap();
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);
logger.debug("mapObjectPut {} = {}", key, value);
} catch (Exception e) {
logger.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);
logger.debug("mapRemove {} {}", key, mapKey);
} catch (Exception e) {
logger.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));
logger.debug("mapObjectRemove {} {}", key, mapKey);
} catch (Exception e) {
logger.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);
logger.debug("mapExists {} {}", key, mapKey);
} catch (Exception e) {
logger.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));
logger.debug("mapObjectExists {} {}", key, mapKey);
} catch (Exception e) {
logger.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);
logger.debug("del {}", key);
}else{
logger.debug("del {} not exists", key);
}
} catch (Exception e) {
logger.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));
logger.debug("delObject {}", key);
}else{
logger.debug("delObject {} not exists", key);
}
} catch (Exception e) {
logger.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);
logger.debug("exists {}", key);
} catch (Exception e) {
logger.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));
logger.debug("existsObject {}", key);
} catch (Exception e) {
logger.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 = JedisUtil.getJedisClient();
logger.debug("getResource.", jedis);
} catch (JedisException e) {
logger.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);
}
}
/**
* 释放资源
* @param jedis
* @param isBroken
*/
public void returnResource(Jedis jedis) {
if (jedis != null) {
JedisUtil.getJedisClient();
}
}
/**
* 获取byte[]类型Key
* @param key
* @return
*/
public byte[] getBytesKey(Object object){
if(object instanceof String){
return getBytes((String)object);
}else{
return serialize(object);
}
}
/**
* 转换为字节数组
* @param str
* @return
*/
public static byte[] getBytes(String str){
if (str != null){
try {
return str.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
return null;
}
}else{
return null;
}
}
/**
* Object转换byte[]类型
* @param key
* @return
*/
public byte[] toBytes(Object object){
return serialize(object);
}
public static byte[] serialize(Object object) {
ObjectOutputStream oos = null;
ByteArrayOutputStream baos = null;
try {
if (object != null){
baos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(baos);
oos.writeObject(object);
return baos.toByteArray();
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* byte[]型转换Object
* @param key
* @return
*/
public Object toObject(byte[] bytes){
return unserialize(bytes);
}
/**
* 反序列化对象
* @param bytes
* @return
*/
public static Object unserialize(byte[] bytes) {
ByteArrayInputStream bais = null;
try {
if (bytes != null && bytes.length > 0){
bais = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bais);
return ois.readObject();
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}2、JedisUtil
public class JedisUtil {
private static Jedis jedis;
public static Jedis getJedisClient(){
if(jedis == null){
jedis= new Jedis("127.0.0.1",6379);
}
return jedis;
}
}