goodsrecord.java

一个简单的商品采集系统

//The definition of each record.
//Here I give each record default 10 attributes 

import java.io.*;
//Authough the private variables are instances and the Objects have implemented 
//the 'Serializable' it also need to do again here.
public class GoodsRecord implements Serializable {
	
	private GoodsField[] gfield;
	private int count;
	private final int DEFAULT_COUNT = 10;
	
	public GoodsRecord ()
	{
		count = DEFAULT_COUNT;
		GoodsField dgfield[] = new GoodsField[ count ];
		for ( int i = 0; i < count; i++ )
		   dgfield = null;
		setGoodsRecord( dgfield );
	}
	
	public GoodsRecord ( GoodsField gf[] )
	{
		count = gf.length;
		setGoodsRecord( gf );
	}
	
	public void setGoodsRecord ( GoodsField gf[] )
	{
		gfield = new GoodsField[ count ];//here waste so much time!!!!!Forget the initialize!
		for( int i = 0; i < count; i++ )
		   gfield[ i ] = gf[ i ];
	}
	
	public GoodsField[] getGoodsRecord ()
	{
		return gfield;
	}
	
	public String toString ()
	{
		String re = "";
		for ( int i = 0; i < count; i++ )
		   re += gfield[ i ];
		return re;
	}
}