classcourseserviceimpl.java

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/*
 * ClassCourseServiceImpl.java
 *
 * Created on 2006年5月19日, 下午7:42
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package enova.service.impl;

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

/**
 *
 * @author vlinux
 */
public class ClassCourseServiceImpl implements ClassCourseService {
    
    private ClassCourseDao classCourseDao;
    
    /** Creates a new instance of ClassCourseServiceImpl */
    public ClassCourseServiceImpl(ClassCourseDao ccDao) {
        this.classCourseDao = ccDao;
    }
    
    public ClassCourse get(Integer classId,Integer courseId) throws StoreException {
        try{
            return classCourseDao.get(classId,courseId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    public void create(ClassCourse cc) throws UniqueException, StoreException {
        try{
            classCourseDao.create(cc);
        }catch(DataAccessException dae){
            throw new StoreException();
        }catch(RecordExistException ree){
            throw new UniqueException();
        }
    }
    
    public void delete(Integer classId,Integer courseId) throws StoreException, NotExistException {
        try{
            //如果不存在要删除的记录，则抛出记录不存在异常
            if( get(classId,courseId)==null )
                throw new NotExistException();
            classCourseDao.delete(classId,courseId);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*作用：可以查看一个班在某一学年某一学期的所有课程安排*/
    public List getByClassIdAndYearAndTerm(Integer classId,Integer year,String term) throws StoreException{
        try{
            return classCourseDao.getByClassIdAndYearAndTerm(classId,year,term);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
    /*作用：可以查看一个专业的所有班在某一学年某一学期的所有课程安排，按照班级ID排序*/
    public List getBySpecialIdAndYearAndTerm(Integer specialId,Integer year,String term) throws StoreException{
        try{
            return classCourseDao.getBySpecialIdAndYearAndTermSortClassId(specialId,year,term);
        }catch(DataAccessException dae){
            throw new StoreException();
        }
    }
    
}