/**
* 版本修订记录
* 创建：2013-1-20
* 版本：
*
* 修订1： 说明：
* 修订2： 说明：
*/
package org.howsun.redis;
import java.util.Date;
import org.howsun.log.Log;
import org.howsun.log.LogFactory;
import org.howsun.test.RunTimeConsuming;
import org.howsun.util.Objects;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import redis.clients.jedis.ShardedJedis;
/**
* 描述：
* @author howsun
* @version 3.0
* Building Time 2013-1-20
*
*/
//@org.howsun.dcs.ContractService("cacheService")
public class JedisCacheService implements CacheService {
private Log log = LogFactory.getLog(JedisCacheService.class);
protected ShardedCacheFactory cacheFactory;
protected JdkSerializationRedisSerializer serializer;
protected boolean report = false;
public void setCallback(CacheObjectTransfCallbacker callbacker){
callbacker.setCallback(this);
}
//-------------------------------------read----------------------------------
@Override
public String get(String key) {
long start = System.currentTimeMillis();
String result = null;
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
result = jedis.get(key);
}
catch (Exception e) {
log.error("获取缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
if(report){
log.info(String.format("The [%s]'s cache %s, total time of %s milliseconds by it.", key, result == null ? "did not got":"is got", System.currentTimeMillis() - start));
}
return result;
}
@SuppressWarnings("unchecked")
@Override
public <T> T get(final String key, Class<T> clazz) {
Object obj = getObject(key);
if(obj != null && Objects.isTheClass(obj, clazz)){
return (T)obj;
}
return null;
}
@Override
public Object getObject(String key){
long start = System.currentTimeMillis();
Object result = null;
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
byte[] value = jedis.get(key.getBytes("UTF-8"));
result = serializer.deserialize(value);
}
catch (Exception e) {
log.error("获取缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
if(report){
log.info(String.format("The [%s]'s cache %s, total time of %s milliseconds by it.", key, result == null ? "did not got":"is got", System.currentTimeMillis() - start));
}
return result;
}
@Override
public boolean exists(String key) {
if(key == null){
return false;
}
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
return jedis.exists(key);
}
catch (Exception e) {
log.error("操作缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return false;
}
//-------------------------------------write----------------------------------
public void set(String key, String value) {
set(key, value, -1);
}
public void set(String key, String value, int offset) {
setStringValue(key, value, offset);
}
public String set(String key, Object value){
return set(key, value, -1);
}
public String set(String key, Object value, int seconds){
return setObject(key, value, seconds);
}
/**
* 设置过期时间
*/
public Long expire(String key, int seconds){
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
return jedis.expire(key, seconds);
}
catch (Exception e) {
log.error("操作缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return null;
}
/**指定在未来日期过期*/
public Long expireAt(String key, Date date){
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
final long rawTimeout = date.getTime() / 1000;
return jedis.expireAt(key, rawTimeout);
}
catch (Exception e) {
log.error("获取缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return null;
}
@Override
public long remove(String key) {
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
return jedis.del(key);
}
catch (Exception e) {
log.error("删除缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return -1;
}
public void destroy(){
if(this.cacheFactory != null){
try {
cacheFactory.destroy();
}
catch (Exception e) {
log.info("关闭错误：",e);
}
}
}
//-----------------------------------Private method------------------------------
private String setObject(String key, Object value, int seconds) {
ShardedJedis jedis = null;
if(value instanceof String){
return setStringValue(key, value.toString(), seconds);
}
try {
jedis = cacheFactory.getResource();
byte[] keyBytes = key.getBytes("UTF-8");
byte result[] = serializer.serialize(value);
if(seconds > -1){
return jedis.setex(keyBytes, seconds, result);
}else{
return jedis.set(keyBytes, result);
}
}
catch (Exception e) {
log.error("获取缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return null;
}
private String setStringValue(String key, String value, int seconds) {
ShardedJedis jedis = null;
try {
jedis = cacheFactory.getResource();
if(seconds > -1){
return jedis.setex(key, seconds, value);
}else{
return jedis.set(key, value);
}
}
catch (Exception e) {
log.error("获取缓存失败：", e);
}
finally{
if(jedis != null){
try {cacheFactory.returnResource(jedis);}
catch (Exception e2) {
log.error("不能释放缓存操纵对象：",e2);
}
}
}
return null;
}
public void setCacheFactory(ShardedCacheFactory cacheFactory) {
this.cacheFactory = cacheFactory;
}
public ShardedCacheFactory getCacheFactory() {
return cacheFactory;
}
public JdkSerializationRedisSerializer getSerializer() {
return serializer;
}
public void setSerializer(JdkSerializationRedisSerializer serializer) {
this.serializer = serializer;
}
public boolean isReport() {
return report;
}
public void setReport(boolean report) {
this.report = report;
}
public static void main(String[] args) {
RunTimeConsuming run = new RunTimeConsuming() {
@Override
public void run() {
}
};
System.out.println(run.consume());
}
}