stubll.java

SWT开发的信息简单的信息管理软件

package dian.ikeel.yin;

import java.util.Iterator;
import java.util.ListIterator;
import java.util.Collections;
import java.util.List;
import java.util.Comparator;
public class StuBLL {

	private DoubleLinkList<Student>  stulist;
	
	private DataFile reader;
	
	
	public StuBLL()
	{
		this.reader=getReader();
		this.stulist=reader.getStudentList();
	}
	
	

	public void sortBySerial()
	{
		Collections.sort((List)getStulist(),new Comparator<Student>()
		{public int compare(Student s1,Student s2)
		{ 
			if(!s1.getSerialnum().equals(s2.getSerialnum()))
			{
			return s1.getSerialnum().compareTo(s2.getSerialnum());
			}
			else if(!s1.getName().equals(s2.getName()))
			{
				//deleteByUuid(s2.getUuid());
			//return	Collections.sort((List)getStulist());
				return s1.getName().compareTo(s2.getName());
			}
			else 
			{
				//deleteByUuid(s2.getUuid());
				//return sortBySerial();
				//return s1.getName().compareTo(s2.getName());
				return 0;
			}
		}
			
		});
	}
	
	public void sortByName()
	{
		Collections.sort((List)getStulist(),new Comparator<Student>()
				{public int compare(Student s1,Student s2)
				{ 
					if(!s1.getName().equals(s2.getName()))
					{
					return  s1.getName().compareTo(s2.getName());
					}
					else if(!s1.getSerialnum().equals(s2.getSerialnum()))
					{
						//deleteByUuid(s2.getUuid());
					//return	Collections.sort((List)getStulist());
						return s1.getSerialnum().compareTo(s2.getSerialnum());
					}
					else 
					{
						//deleteByUuid(s2.getUuid());
						//return sortBySerial();
						//return s1.getName().compareTo(s2.getName());
						return 0;
					}
				}
					
				});
	}
	
	public void sortBySex()
	{

		Collections.sort((List)getStulist(),new Comparator<Student>()
				{public int compare(Student s1,Student s2)
				{ 
					if(s1.getSex()!=s2.getSex())
						return s1.getAge()-s2.getAge();
					else if(!s1.getName().equals(s2.getName()))
					{
					return  s1.getName().compareTo(s2.getName());
					}
					else if(!s1.getSerialnum().equals(s2.getSerialnum()))
					{
						//deleteByUuid(s2.getUuid());
					//return	Collections.sort((List)getStulist());
						return s1.getSerialnum().compareTo(s2.getSerialnum());
					}
					else 
					{
						//deleteByUuid(s2.getUuid());
						//return sortBySerial();
						//return s1.getName().compareTo(s2.getName());
						return 0;
					}
				}
					
				});
		
	}
	
 public void sortByUUID()
 {
	 Collections.sort((List)getStulist(),new Comparator<Student>()
				{public int compare(Student s1,Student s2)
				{ 
					if(!s1.getUuid().equals(s2.getUuid()))
					{
						return s1.getUuid().compareTo(s2.getUuid());
					}
					else if(!s1.getSerialnum().equals(s2.getSerialnum()))
					{
					return s1.getSerialnum().compareTo(s2.getSerialnum());
					}
					else if(!s1.getName().equals(s2.getName()))
					{
						//deleteByUuid(s2.getUuid());
					//return	Collections.sort((List)getStulist());
						return s1.getName().compareTo(s2.getName());
					}
					else 
					{
						//deleteByUuid(s2.getUuid());
						//return sortBySerial();
						//return s1.getName().compareTo(s2.getName());
						return 0;
					}
				}
					
				});
 }
	
	public void refreshData()
	{
		
	}
	
	
	public void insertStudentLast(Student s)
	{
		//stulist.addLast(s);
		getReader().addOrUpdate(s);
		//reader.writeInAStudent(s);
	}
	
	public void insertStudentFirst(Student s)
	{
		//stulist.addFirst(s);
		getReader().addOrUpdate(s);
		//reader.writeInAStudent(s);
	}
	public  DoubleLinkList<Student> findByUuid(String uuid)
	{
		DoubleLinkList<Student> result=new DoubleLinkList<Student>();
		ListIterator<Student> listitr=stulist.listIterator();
		
		while(listitr.hasNext())
		{
			Student s=listitr.next();
			if(s.getUuid().equals(uuid))
				result.add(s);
		}
		
		return result;
	}
	public DoubleLinkList<Student> findBySerial(String serial)
	{
		DoubleLinkList<Student> result=new DoubleLinkList<Student>();
		ListIterator<Student> listitr=getStulist().listIterator();
		
		while(listitr.hasNext())
		{
			Student s=listitr.next();
			if(s.getSerialnum().equals(serial))
				result.add(s);
		}
		
		return result;
	}
	
	public  DoubleLinkList<Student> findByName(String name)
	{
		DoubleLinkList<Student> result=new DoubleLinkList<Student>();
		ListIterator<Student> listitr=getStulist().listIterator();
		
		while(listitr.hasNext())
		{
			Student s=listitr.next();
			if(s.getName().contains(name) ||name.contains(s.getName()))
				result.add(s);
		}
		
		return result;
	}
	
	public DoubleLinkList<Student> findByClass(String classno)
	{
		DoubleLinkList<Student> result=new DoubleLinkList<Student>();
		ListIterator<Student> listitr=stulist.listIterator();
		
		while(listitr.hasNext())
		{
			Student s=listitr.next();
			if(s.getClassNo().contains(classno) || classno.contains(s.getClassNo()))
				result.add(s);
		}
		
		return result;
	}

	
	

	public void deleteBySerial(Student s)
	{
		getReader().deleteAStudent(s);
	}
	public DataFile getReader() {
		
	 return new DataFile();
	}


	public void setReader(DataFile reader) {
		this.reader = reader;
	}
	
	public DoubleLinkList<Student> getStulist() {
		return getReader().getStulist();
	}


	public void setStulist(DoubleLinkList<Student> stulist) {
		this.stulist = stulist;
	}
}