teachermanagerbll.cs

guan yu pai ke xi tong de ruan jian

using System;
using System.Collections.Generic;
using System.Text;

using Y2T03.CourseScheduler.CourseModel;
using Y2T03.CourseScheduler.CourseDAL;
using Y2T03.CourseScheduler.DALFactory;
using Y2T03.CourseScheduler.IDAL;

namespace Y2T03.CourseScheduler.CourseBLL
{
    /// <summary>
    /// TeacherManagerBLL 的业务逻辑层
    /// </summary>
    public class TeacherManagerBLL
    {
        public TeacherManagerBLL()
        { }

        #region 新增教员
        /// <summary>
        /// 新增教员
        /// </summary>
        /// <param name="teacher">教员实体对象</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Create(Teacher teacher)
        {
            string name = teacher.Name;

            if (name.Length <= 50)
            {
                return DALFactory.DataAccess.GetTeacherManager().Create(teacher);
            }
            else
            {
                return false;
            }
        }
        #endregion

        #region 修改教员信息
        /// <summary>
        /// 修改教员信息
        /// </summary>
        /// <param name="teacher">教员实体对象</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Update(Teacher teacher)
        {
            string name = teacher.Name;

            if (name.Length <= 50)
            {
                return DALFactory.DataAccess.GetTeacherManager().Update(teacher);
            }
            else
            {
                return false;
            }
        }
        #endregion

        #region 删除教员信息
        /// <summary>
        /// 删除教员信息
        /// </summary>
        /// <param name="teacherId">教员编号</param>
        /// <returns>true = 成功, false = 失败.</returns>
        public static bool Delete(int teacherId)
        {
            return DALFactory.DataAccess.GetTeacherManager().Delete(teacherId);
        }
        #endregion

        #region 获取教员信息
        /// <summary>
        /// 获取教员信息
        /// </summary>
        /// <param name="teacherId">教员编号</param>
        /// <returns>教员实体对象</returns>
        public static Teacher GetTeacher(int teacherId)
        {
            return DALFactory.DataAccess.GetTeacherManager().GetTeacher(teacherId);
        }
        #endregion

        #region 获取教员信息列表
        /// <summary>
        /// 获取教员信息列表
        /// </summary>
        /// <returns>教员信息列表</returns>
        public static IList<Teacher> GetTeachers()
        {
            return DALFactory.DataAccess.GetTeacherManager().GetTeachers();
        }
        #endregion
    }
}