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/**
* Copyright 2016 ZTE Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openo.msb.wrapper.util;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
public final class JedisUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(JedisUtil.class);
private static String host = "127.0.0.1";
private static int port = 6379;
private static int connectionTimeout = 2000;
private static int DEFAULT_DB_INDEX = 0;
private static JedisPool jedisPool = null;
public static String serverIp="127.0.0.1";
public static int serverPort=10080;
public static String propertiesName="redis.properties";
public static String propertiesPath="";
public static void main(String[] args) {
}
private JedisUtil() {
// private constructor
}
private static void initialPool() {
try {
JedisPoolConfig config = new JedisPoolConfig();
// String pathtest=JedisUtil.class.getResource("").getPath();
// String path ="/"+ pathtest.substring(0, pathtest.indexOf("assembly")).replace("file:/", "") +"assembly/"+defaultWorkspace;
File propertiesFile = new File(propertiesPath);
if (propertiesFile.exists()) {
BufferedInputStream inputStream =new BufferedInputStream(new FileInputStream(propertiesPath));
ResourceBundle bundle =new PropertyResourceBundle(inputStream);
if (bundle == null) {
throw new IllegalArgumentException(
"[redis.properties] is not found!");
}
// 设置连接池基本信息
String strHost = bundle.getString("redis.host");
if(StringUtils.isNotEmpty(strHost)){
host = strHost;
}
String strPort = bundle.getString("redis.port");
if(StringUtils.isNotEmpty(strPort)){
port = Integer.valueOf(strPort);
}
String strTimeout = bundle.getString("redis.connectionTimeout");
if (StringUtils.isNotEmpty(strTimeout) ){
connectionTimeout = Integer.valueOf(strTimeout);
}
// serverIp=bundle.getString("server.ip");
serverPort=Integer.valueOf(bundle.getString("server.port"));
String strDbIndex = bundle.getString("redis.db_index");
if (StringUtils.isNotEmpty(strDbIndex)) {
DEFAULT_DB_INDEX = Integer.valueOf(strDbIndex);
}
String strMaxTotal = bundle.getString("redis.pool.maxTotal");
if (StringUtils.isNotEmpty(strMaxTotal)) {
config.setMaxTotal(Integer.valueOf(strMaxTotal));
}
String strMaxIdle = bundle.getString("redis.pool.maxIdle");
if (StringUtils.isNotEmpty(strMaxIdle)) {
config.setMaxIdle(Integer.valueOf(strMaxIdle));
}
String strMaxWaitMillis = bundle.getString("redis.pool.maxWaitMillis");
if (StringUtils.isNotEmpty(strMaxWaitMillis)) {
config.setMaxWaitMillis(Long.valueOf(strMaxWaitMillis));
}
String strTestOnBorrow = bundle
.getString("redis.pool.testOnBorrow");
if (StringUtils.isNotEmpty(strTestOnBorrow)) {
config.setTestOnBorrow(Boolean.valueOf(strTestOnBorrow));
}
String strTestOnReturn = bundle
.getString("redis.pool.testOnReturn");
if (StringUtils.isNotEmpty(strTestOnReturn)) {
config.setTestOnReturn(Boolean.valueOf(strTestOnReturn));
}
}
LOGGER.info("Redis server info: " + host + ":" + port);
LOGGER.info("nginx server info: " + serverIp + ":" + serverPort);
// ResourceBundle bundle = ResourceBundle.getBundle("conf.redis");
jedisPool = new JedisPool(config, host, port, connectionTimeout);
} catch (Exception e) {
LOGGER.error("Initiate Jedis pool failed!", e);
}
}
/**
* From the connection pool to obtain jedis instance, use the default database index number 0
* @return
*/
public synchronized static Jedis borrowJedisInstance() {
if (jedisPool == null) {
initialPool();
}
try {
if (jedisPool != null) {
Jedis resource = jedisPool.getResource();
resource.select(DEFAULT_DB_INDEX);
return resource;
} else {
return null;
}
} catch (Exception e) {
LOGGER.error("Get Jedis from pool failed!", e);
return null;
}
}
/**
* From the connection pool to obtain jedis instance, using the specified database index number
* @return
*/
public synchronized static Jedis borrowJedisInstance(final int dbIndex) {
if (jedisPool == null) {
initialPool();
}
try {
if (jedisPool != null) {
Jedis resource = jedisPool.getResource();
resource.select(dbIndex);
return resource;
} else {
return null;
}
} catch (Exception e) {
LOGGER.error("Get Jedis from pool failed!", e);
return null;
}
}
/**
* returned to the pool jedis instance
* @param jedis
*/
public static void returnJedisInstance(final Jedis jedis) {
if (jedis != null) {
jedis.close();
}
}
/**
* @Title getJedis
* @Description TODO(From the connection pool to obtain jedis instance)
* @throws Exception
* @return Jedis
*/
public static Jedis getJedis() throws Exception{
Jedis jedis = borrowJedisInstance();
if (jedis == null) {
throw new Exception("fetch from jedis pool failed,null object!");
}
return jedis;
}
}
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