identifycommand.java

来自「与postgresql数据库结合的数据库水印软件包」· Java 代码 · 共 57 行

/*
 * 
 * Copyright 2003,2004 The Watermill Team
 *
 * This file is part of Watermill.
 *
 *    Watermill is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    Watermill is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with Watermill; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
package Watermill.rmill;

import java.util.*;
import Watermill.kernel.*;


public class IdentifyCommand extends Command {

    public String dbName;

    public IdentifyCommand(String dbName){
	this.dbName=dbName;
    }

    public void execute(Manager m){
	Vector v=m.broadcast.getKeys();
	for(Enumeration e=v.elements();e.hasMoreElements();){
	    Doublet d=(Doublet)e.nextElement();
	    String user=d.first;
	    String pool=d.second;
	    UserData u=m.users.getUserData(user);
	    Pool p=m.pools.getPool(pool);
	    Watermark w=m.broadcast.getWatermark(u,p.poolName);
	    Document document=m.getDocument(dbName,Constant.masterDBuser,Constant.masterDBpassword);
	    double correlation=w.correlate(p.document,document);
	    Msg.println("Correlation for user "+user+" on pool "+pool+": "+correlation);
	    Msg.println("IDENTIFY");
	}
    }
    public String toString(){
	return "IdentifyCommand from "+dbName;
    }
}