dxdiskhashnodebranch.java

用Java写的面相对象的数据库管理系统

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-2000 by SMB GmbH. All rights reserved.
//
// $Id: DxDiskHashNodeBranch.java,v 1.8 2000/10/28 16:55:14 daniela Exp $

package org.ozoneDB.DxLib;

import java.io.*;


/**
 * Knoten mit referenz auf eine subTable ohne eigenen schluessel und
 * ohne eigene daten
 */
public class DxDiskHashNodeBranch extends DxDiskHashNode implements Externalizable {
    
    final static long serialVersionUID = 1;
    
    protected DxDiskSubTable subTable;
    
    
    public DxDiskHashNodeBranch() {
    }
    
    
    public void empty() {
        subTable = null;
    } 
    
    
    public void writeExternal( ObjectOutput out ) throws IOException {
        subTable.writeExternal( out );
    } 
    
    
    public void readExternal( ObjectInput in ) throws IOException, ClassNotFoundException {
        subTable = new DxDiskSubTable();
        subTable.readExternal( in );
    } 
}