specialserviceimpl.java

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/*
 * SpecialServiceImpl.java
 *
 * Created on 2006年5月20日, 下午4:39
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package enova.service.impl;

import java.util.*;
import enova.dao.*;
import enova.pojo.*;
import enova.service.*;

/**
 *
 * @author vlinux
 */
public class SpecialServiceImpl implements SpecialService {
    
    private SpecialDao specialDao;
    
    /** Creates a new instance of SpecialServiceImpl */
    public SpecialServiceImpl(SpecialDao specialDao) {
        this.specialDao = specialDao;
    }
    
    /*通过ID获取专业*/
    public Special get(Integer specialId) throws StoreException{
        try{
            return specialDao.getId(specialId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*更新或创建一个专业，如果该学院中该专业的组合已经存在，则抛出重复异常*/
    public void updateOrCreate(Special special) throws UniqueException, StoreException{
        try{
            specialDao.updateOrInsert(special);
        }catch(DataAccessException dae){
            throw new StoreException();
        }catch(RecordExistException ree){
            throw new UniqueException();
        }
    }
    
    /*通过ID删除专业*/
    public void delete(Integer specialId) throws NotExistException, StoreException{
        try{
            if( specialDao.getId(specialId)==null )
                throw new NotExistException();
            specialDao.delete(specialId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*通过学院ID获取该学院所开设的所有专业*/
    public List getByDepartmentId( Integer departmentId ) throws StoreException{
        try{
            return specialDao.getByDepartmentId(departmentId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
}