document.java

与postgresql数据库结合的数据库水印软件包

/*
 * 
 * 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.kernel;

import java.io.*;

public abstract class Document implements Serializable {
    abstract public Value getValue(Identifier id);
    abstract public void setValue(Identifier id,Value v);
    abstract public void addValue(Identifier id,Value v);
    abstract public Schema getSchema();
    abstract public Identifiers getModifiableValuesIdentifiers(LocalConstraints lc);
    abstract public DependencyMatrix getDependency(GlobalConstraints gc);
    abstract public boolean checkLocalConstraint(Document d,LocalConstraint lc);
    abstract public boolean checkLocalConstraints(Document d,LocalConstraints lc);
    abstract public boolean checkGlobalConstraint(Document d,GlobalConstraint gc);
    abstract public boolean checkGlobalConstraints(Document d,GlobalConstraints gcs);
}