autoimpl.java

Java的面向对象数据库系统的源代码

// 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.
//
// $Id$

package test.simple;

import org.apache.log4j.Category;
import org.ozoneDB.OzoneObject;

import java.util.Enumeration;
import java.util.Vector;

public class AutoImpl extends OzoneObject implements Auto {

    /**
     * log4j logger
     */
    private static Category fLog = Category.getInstance(AutoImpl.class);

    /**
     * The serialization version id used by the Java serialization.
     * Please, see also the Java documentation.
     */
    final static long serialVersionUID = 1L;

    String name = "Ford";

    int age = 0;

    Auto link;

    Vector v;


    public AutoImpl() {
        // fLog.debug ("Auto ctor...");
        v = new Vector();
        v.add("dani");

    }


    public void onCreate() {
        fLog.debug("onCreate()...");
        //       try {
        //           link = (Auto)database().createObject (BusImpl.class.getName(), 0, null);
        //           fLog.debug (link.getClass().getName());
        //           }
        //       catch (Exception e) {
        //           fLog.debug (e);
        //           }
    }


    public void onDelete() {
        fLog.debug("onDelete()...");
        if (link != null) {
            database().deleteObject(link);
        }
    }


    public boolean equals(Object obj) {
        Auto auto = (Auto) obj;
        return name.equals(auto.name());
    }


    public String nameName() throws Exception {
        fLog.debug(self());
        fLog.debug(((Auto) self()).link());
        fLog.debug(((Auto) self()).link().name());
        return ((Auto) self()).link().name();
    }


    public Auto doSomthing(Auto auto) throws Exception {
        String linkName = link.name();
        fLog.debug("doSomething(): linkName=" + linkName);
        return link;
    }


    public Auto setLink(Auto auto) throws Exception {
        // fLog.debug ("setLink(): " + auto.toString() + " (" + auto.getClass().getName() + ")");
        link = auto;
        return this;
    }


    public Auto link() {
        return link;
    }


    public void print() {
        fLog.debug(toString());

        fLog.debug("Vector:");
        for (Enumeration e = v.elements(); e.hasMoreElements();) {
            fLog.debug(e.nextElement());
        }
    }


    public void setName(String newName) {
        name = newName;
    }


    public String name() {
        return name;
    }


    public void setAge(Integer newAge) {
        age = newAge.intValue();
        // throw new NullPointerException();
    }


    public int setAge(int newAge) {
        age = newAge;
        return age;
    }


    public Integer age() {
        return new Integer(age);
    }


    public String toString() {
        // fLog.debug ("toString()...");
        return "Auto:" + name + ", " + String.valueOf(age);
    }


    public void done() throws Exception {
        // fLog.debug (toString() + " done.");
    }

}