departmentserviceimpl.java

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/*
 * DepartmentServiceImpl.java
 *
 * Created on 2006年5月20日, 下午4:14
 *
 * 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 DepartmentServiceImpl implements DepartmentService {
    
    private DepartmentDao departmentDao;
    
    /** Creates a new instance of DepartmentServiceImpl */
    public DepartmentServiceImpl(DepartmentDao departmentDao) {
        this.departmentDao = departmentDao;
    }
    
    /*通过Id获取学院*/
    public Department get(Integer departmentId) throws StoreException{
        try{
            return departmentDao.get(departmentId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*获取全部学院*/
    public List getAll() throws StoreException{
        try{
            return departmentDao.getAll();
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*更新或者创建一个学院,如果学院名称出现重复则抛出重复异常*/
    public void updateOrCreate(Department department) throws UniqueException, StoreException{
        try{
            departmentDao.updateOrInsert(department);
        }catch(DataAccessException dae){
            throw new StoreException();
        }catch(RecordExistException ree){
            throw new UniqueException();
        }
    }
    
    /*通过Id删除学院*/
    public void delete(Integer departmentId) throws NotExistException, StoreException{
        try{
            if( departmentDao.get(departmentId)==null )
                throw new NotExistException();
            departmentDao.delete(departmentId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
}