com.yuyenews.easy.util.ConnectionUtil Maven / Gradle / Ivy
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package com.yuyenews.easy.util;
import java.sql.Connection;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.yuyenews.core.util.ThreadUtil;
import com.yuyenews.easy.base.BaseDao;
import com.yuyenews.easy.server.constant.EasySpace;
public class ConnectionUtil {
private static Logger logger = LoggerFactory.getLogger(ConnectionUtil.class);
private static EasySpace commontSpace = EasySpace.getEasySpace();
/**
* 获取当前线程的连接，如果没有则从baseDao拿一个
* @param name mingc
* @return lianjie
*/
public static Connection getConnection(String name) {
try {
Map connections = getConnections();
Connection connection = connections.get(name);
if(connection == null) {
connection = BaseDao.getConnection(name);
connection.setAutoCommit(true);
} else {
connection.setAutoCommit(false);
}
return connection;
} catch (Exception e) {
logger.error("获取连接失败",e);
return null;
}
}
/**
* 获取连接缓存
* @return duix
*/
@SuppressWarnings("unchecked")
public static Map getConnections() {
Map connections = new HashMap<>();
try {
Object obj = commontSpace.getAttr(ThreadUtil.getThreadId());
if (obj != null) {
connections = (Map) obj;
} else {
commontSpace.setAttr(ThreadUtil.getThreadId(), connections);
}
} catch (Exception e) {
logger.error("从缓存中获取连接对象失败", e);
}
return connections;
}
}