disciplineserviceimpl.java

菲律宾的一个大学的图书管理系统 spring+hibernate+velocity

/*
 * 创建日期 2005-5-18
 */
package biz.bluesky.pts.service.impl;

import java.util.List;

import org.springframework.dao.DataAccessException;
import org.springframework.orm.ObjectRetrievalFailureException;

import biz.bluesky.pts.model.TDiscipline;
import biz.bluesky.pts.service.IDisciplineService;
import biz.bluesky.pts.service.dao.IDisciplineDAO;
import biz.bluesky.pts.util.ErrorCode;

public class DisciplineServiceImpl implements IDisciplineService {

	private IDisciplineDAO disciplineDAO;
	
	public void setDisciplineDAO(IDisciplineDAO disciplineDAO) {
		this.disciplineDAO = disciplineDAO;
	}

	public IDisciplineDAO getDisciplineDAO() {

		return this.disciplineDAO;
	}

	//新增纪律评语
	public int saveDiscipline(TDiscipline discipline) {
        if((discipline == null)||(discipline.getRemarks() == "")) {
            return ErrorCode.ERR_SCHOOL_EMPTY;//需要改
        }
        
        try {
            disciplineDAO.saveDiscipline(discipline);
        }
        catch(ObjectRetrievalFailureException excp) {
            return ErrorCode.ERR_SCHOOL_REPEAT;//需要改
        }
        catch(DataAccessException excp) {
            return ErrorCode.ERR_UNKNOW;
        }
        
        return ErrorCode.ERR_UNDISCOVERED;
	}

	//删除纪律评语
	public int removeDiscipline(int disciplineId) {
        try {
            disciplineDAO.removeDiscipline(disciplineId);
        }
        catch(ObjectRetrievalFailureException excp) {
            return ErrorCode.ERR_SCHOOL_NOT_FIND;//需要改
        }
        catch(DataAccessException excp) {
            return ErrorCode.ERR_UNKNOW;
        }
        
        return ErrorCode.ERR_UNDISCOVERED;
	}

	//根据纪律评语编号查找纪律评语
	public TDiscipline findDiscipline(int disciplineId) {

		return disciplineDAO.findDiscipline(disciplineId);
	}

	//根据学生编号查找纪律评语
	public List findDisciplines(int studentId) {

		return disciplineDAO.findDisciplines(studentId);
	}

}