bookblogic.java~60~

图书借阅系统

package com.lib.logic;

import com.lib.dao.HbmDAO;
import com.lib.actionform.BookBLActionForm;
import java.util.List;
import com.lib.vo.BookBL;
import com.lib.assistvo.BookBLStr;
import com.lib.vo.Book;
import com.lib.vo.Reader;
import java.util.*;
import com.lib.util.TimeUtil;
import com.lib.dao.DAOException;
import com.lib.assistvo.Pair;

public class BookBLogic {
     private HbmDAO dao;
     private BookBLActionForm form;
     public BookBLogic() {
         dao = new HbmDAO();
         dao.setAutoClose(false);
     }
     public void getBookBLs()
     {
       System.out.println("=========================1111");
       String str = "from BookBL";
       List bookbls = dao.list(str);
       System.out.println("size===========" + bookbls.size());
       for (Iterator iter = bookbls.iterator(); iter.hasNext(); ) {
         BookBL item = (BookBL)iter.next();
         BookBLStr bl = new BookBLStr();
         bl.setBookbluid(item.getBlUID());
         bl.setBookuid(item.getBook().getBookUID());
         bl.setBookname(item.getBook().getBookName());
         bl.setOccurdate(TimeUtil.date2String(item.getOccurDate()));
         bl.setQty(item.getQty().toString());
         bl.setReadername(item.getReader().getReaderName());
         bl.setReaderuid(item.getReader().getReaderUID());
         bl.setReturndate(TimeUtil.date2String(item.getReturnDate()));
         bl.setType(item.getBlType());
         form.getBookbls().add(bl);
       }
       System.out.println("size===========" + form.getBookbls().size());
     }
     public void getBookBLs(Long uid)
     {
       String str = "select bl from BookBL as bl where bl.reader=?";
       List bookbls = dao.list(str,uid.toString());
       System.out.println("size===========" + bookbls.size());
       for (Iterator iter = bookbls.iterator(); iter.hasNext(); ) {
         BookBL item = (BookBL)iter.next();
         BookBLStr bl = new BookBLStr();
         bl.setBookbluid(item.getBlUID());
         bl.setBookuid(item.getBook().getBookUID());
         bl.setBookname(item.getBook().getBookName());
         bl.setOccurdate(TimeUtil.date2String(item.getOccurDate()));
         bl.setQty(item.getQty().toString());
         bl.setReadername(item.getReader().getReaderName());
         bl.setReaderuid(item.getReader().getReaderUID());
         bl.setReturndate(TimeUtil.date2String(item.getReturnDate()));
         bl.setType(item.getBlType());
         form.getBookbls().add(bl);
       }
     }
     public void initReaders()
    {
     ArrayList  pairs =  new ArrayList();
     String str = "from Reader";
     List readers = dao.list(str);
     System.out.println("=========" + readers.size());
     for (Iterator iter = readers.iterator(); iter.hasNext(); ) {
       Reader item = (Reader)iter.next();
       Pair dp = new Pair();
       dp.setTypeName(item.getReaderName());
       dp.setTypeUID(item.getReaderUID());
       pairs.add(dp);
     }
     form.setReaders(pairs);
   }
   public void initBooks()
   {
     ArrayList  pairs =  new ArrayList();
    String str = "from Book";
    List books = dao.list(str);
    System.out.println("============" + books.size());
    for (Iterator iter = books.iterator(); iter.hasNext(); ) {
      Book item = (Book)iter.next();
      Pair dp = new Pair();
      dp.setTypeName(item.getBookName());
      dp.setTypeUID(item.getBookUID());
      pairs.add(dp);
    }
    form.setBooks(pairs);

   }

     public void addBookBL()
     {
      BookBLStr bookbl = new BookBLStr();
      List books = dao.list("from Book");
      List readers = dao.list("from Reader");
      if(books.size()>0 && readers.size()>0)
      {
        Book book = (Book)books.get(0);
        Reader reader=(Reader)readers.get(0);
        bookbl.setBookbluid(null);
        bookbl.setBookuid(book.getBookUID());
        bookbl.setBookname(book.getBookName());
        bookbl.setOccurdate("2004-12-17");
        bookbl.setQty("0");
        bookbl.setReturndate("2004-12-17");
        bookbl.setReaderuid(reader.getReaderUID());
        bookbl.setReadername(reader.getReaderName());
        bookbl.setType(new Integer(1));
        form.getBookbls().add(bookbl);
      }
   }
   public void saveBookBL()
   {
     List bookbls = form.getBookbls();
     for (Iterator iter = bookbls.iterator(); iter.hasNext(); ) {
       BookBLStr item = (BookBLStr)iter.next();
       BookBL bl = new BookBL();
       try {
          Book book = (Book)dao.retrieve(Book.class,item.getBookuid());
          Reader reader=(Reader)dao.retrieve(Reader.class,item.getReaderuid());
         if(item.getBookbluid().equals(new Long(0)))
         {
           bl.setBlUID(null);
           if(item.getType().equals("1"))
           {
             bl.setBlType(new Integer(1));
             book.setQty(new Integer(book.getQty().intValue()- new Integer(item.getQty()).intValue()));
             reader.setQty(new Integer(reader.getQty().intValue() + new Integer(item.getQty()).intValue()));


           }else
           {
             bl.setBlType(new Integer(2));
             book.setQty(new Integer(book.getQty().intValue()+ new Integer(item.getQty()).intValue()));
             reader.setQty(new Integer(reader.getQty().intValue() - new Integer(item.getQty()).intValue()));
         }
       }else
       {
         bl.setBlUID(item.getBookbluid());
         bl.setBlType(item.getType());
       }
         bl.setBook(book);
         bl.setReader(reader);
         bl.setOccurDate(TimeUtil.string2Date(item.getOccurdate()));
         bl.setReturnDate(TimeUtil.string2Date(item.getReturndate()));
         bl.setQty(new Integer(item.getQty()));
         dao.store(bl);
       }
       catch (DAOException ex) {
         ex.printStackTrace();
       }
     }
   }
   public void deleteBookBL()
   {
     Long uid = form.getDeleteUID();
     try {
       dao.remove(BookBL.class, uid);
     }
     catch (DAOException ex) {
       ex.printStackTrace();
     }
   }

     public void closeDAO()
     {
       dao.closeSession();
     }
  public BookBLActionForm getForm() {
    return form;
  }
  public void setForm(BookBLActionForm form) {
    this.form = form;
  }


}