autoimpl.java

Java的面向对象数据库系统的源代码

// $Id: AutoImpl.java,v 1.4 2001/02/13 19:22:35 daniela Exp $

import org.ozoneDB.*;


/**
 * This simple sample uses the OzoneXAResource resource adapter (JTA) to emulate
 * an application server environment. It uses the Tyrex transaction manager.
 * 
 * 
 * @author <a href="http://www.softwarebuero.de/">SMB</a>
 * @version $Revision: 1.4 $Date: 2001/02/13 19:22:35 $
 */
public class AutoImpl extends OzoneObject implements Auto {
    
    /**
     * The serialization version id used by the Java serialization.
     * Please, see also the Java documentation.
     */
    final static long serialVersionUID = 1L;
    
    private String name = "Auto1";
    
    private int age;
    
    private Auto link;
    
    
    public AutoImpl() {
        System.out.println( getClass().getName() + " ctor..." );
    }
    
    
    public boolean equals( Object obj ) {
        Auto auto = (Auto)obj;
        return name.equals( auto.name() );
    } 
    
    
    public Auto doSomthing( Auto auto ) throws Exception {
        System.out.println( "got: " + auto.toString() + " (" + auto.getClass().getName() + ")" );
        return this;
    } 
    
    
    public void crash() throws Exception {
        throw new NullPointerException();
    }
    
    
    public Auto setLink( Auto auto ) throws Exception {
        // System.out.println ("setLink(): " + auto.toString() + " (" + auto.getClass().getName() + ")");
        link = auto;
        return this;
    } 
    
    
    public void print() {
        System.out.println( toString() );
    } 
    
    
    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 ) {
        int result = age;
        age = newAge;
        return result;
    } 
    
    
    public Integer age() {
        return new Integer( age );
    } 
    
    
    public String toString() {
        // System.out.println ("toString()...");
        return "Auto:" + name + ", " + String.valueOf( age );
    } 
    
    
    public void done() throws Exception {
    // System.out.println (toString() + " done.");
    } 
    
}