videoset.java

本人写的一个简单VCD租赁系统

//************************************************
//VideoSet.java
//This class is used to describe the structure for
//storing all the video records.
//Created by Xiaobin Lin               2/Dec/2004
//************************************************

package Main;

import java.io.*;
import java.util.*;

public class VideoSet implements Serializable{
   
    // Creates a new instance of VideoSet and initialize data
    public VideoSet(){
		videoList = new LinkedList();
		Video video = new Video(10001, "It's All About Love(15)", "Thomas Vinterberg", 1, "English");
		videoList.add(video);
		video = new Video(10002, "The Barbarian Invasions(18) Les Invasions Barbares",
						"Denys Arcand", 2, "French");
		videoList.add(video);
		video = new Video(10003, "The Dreamers(18)", "Bernardo Bertolucci", 1, "English");
		videoList.add(video);
		video = new Video(10004, "The Graduate(15)", "Mike Nichols", 1, "English");
		videoList.add(video);
		video = new Video(10005, "Kitchen Stories(PG)", "Bent Hamer", 2, "Norwegian");
		videoList.add(video);
		video = new Video(10006, "Blind Spot: Hilter's Secretary(PG) Im Toten Winkel-Hitlers Sekretarin", 
						"Ander Heller/Othmar Schmiderer", 2, "German");
		videoList.add(video);
		video = new Video(10007, "The Cuckoo(12A) Kukushka", "Aleksandr Rogozhkin", 2, "Russian");
		videoList.add(video);
		video = new Video(10008, "Lost In Translation(15)", "Sofia Coppola", 1, "English");
		videoList.add(video);
		video = new Video(10009, "Girl With A Pearl Earring(12A)", "Peter Webber", 1, "English");
		videoList.add(video);		 
		
		dataRows = new Vector();
	}
	
	//return column names
	public String[] getTabHeader(){
		String[] tabHeader = {"Class #", "Title", "Director", "Lang Class", "Specific Language"};
		return tabHeader;
	}
	
	//this method is used to provide data for tabulation	
	public Vector getTabulatedData(){
            dataRows.clear();  //clear the Vector dataRows
            // Iterate through the LinkedList
            ListIterator i = videoList.listIterator();
            while(i.hasNext())
            {
                Object[] rowData;
        	rowData = ((Video)i.next()).getRowData();
			dataRows.addElement(rowData);
		}
		return dataRows;		
	}
	
	public void addNewVideo(Video video){
            videoList.add(video);
	}
        
        public void removeVideo(int videoIndex){
            videoList.remove(videoIndex);
        }
        
        public int getClassNo(int videoIndex){
            int classNo = ((Video)videoList.get(videoIndex)).getClassNo();
            return classNo;
        }
        
        public String getVideoTitle(int videoIndex){
            String videoTitle = ((Video)videoList.get(videoIndex)).getTitle();
            return videoTitle;
        }
        
        public String getVideoDirector(int videoIndex){
            String videoDirector = ((Video)videoList.get(videoIndex)).getDirector();
            return videoDirector;
        }
        
        public int getVideoLangClass(int videoIndex){
            int langClass = ((Video)videoList.get(videoIndex)).getLangClass();
            return langClass;
        }
        
        public String getVideoSpecificLang(int videoIndex){
            String specificLang = ((Video)videoList.get(videoIndex)).getSpecificLang();
            return specificLang;
        }
	
	
	private LinkedList videoList; //a linked list used to store all the videos' information
	private Vector dataRows;
    
}