redundantlockrequestexception.java

分布式数据库原形代码 可以支持个用户同时登陆到数据库中查询需要的资源

package lockmgr;

/*
	The transaction requested a lock that it already had.
*/

public class RedundantLockRequestException extends Exception
{
	protected int xid = 0;
	
	public RedundantLockRequestException (int xid, String msg)
	{
		super(msg);
		this.xid = xid;
	}
	
	public int getXId() {
		return this.xid;
	}
}