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Unified query of Mongodb and Sql database.
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package com.kukababy.key;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
*
* 总体描述
*
*
* 1、
* 2、
*
*
* @author Sam [email protected]
* @date 创建时间：2016年3月14日 下午4:51:06
*
*/
public class SyncKey {
private static final ConcurrentMap syncMap = new ConcurrentHashMap();
public static String getSyncKey(String tblName) {
Iterator it = syncMap.keySet().iterator();
String key = null;
for (; it.hasNext();) {
key = it.next();
if (tblName.equals(key)) {
return key ;
}
}
key = tblName.toString();
KeyInfo keyInfo = new KeyInfo();
keyInfo.setOldDt("0");
syncMap.put(key, keyInfo);
return key;
}
public static KeyInfo getSyncKeyInfo(String key) {
return syncMap.get(key);
}
}