public ClassSubjectSettingCollection(ClassSubjectSettingCollection p)
{
this._classSubjectSettings = new Dictionary <string, ClassSubjectSetting>(p._classSubjectSettings.Count);
foreach (KeyValuePair <string, ClassSubjectSetting> kvp in p._classSubjectSettings)
{
this._classSubjectSettings.Add(kvp.Key, new ClassSubjectSetting(kvp.Value));
}
}
public ClassSubjectSettingCollection DeepClone()
{
ClassSubjectSettingCollection cssc = new ClassSubjectSettingCollection(_classSubjectSettings.Count);
foreach (KeyValuePair <string, ClassSubjectSetting> kvp in _classSubjectSettings)
{
cssc._classSubjectSettings.Add(kvp.Key, new ClassSubjectSetting(kvp.Value));
}
return(cssc);
}
/// <summary>
/// 根据指定的ClassSubjectSettingCollection安排该班的所有课程
/// </summary>
/// <param name="cssc"></param>
/// <returns></returns>
public bool AssignLessons(ClassSubjectSettingCollection cssc)
{
bool error = false;
foreach (ClassSubjectSetting css in cssc)
{
if (css.LessonsPerWeek >= Global.DayPerWeek)
{
foreach (DaySchedule ds in _days)
{
ds.RandomAssignLesson(Global.GradeTeachers[css.TeacherID]);
css.Assigned++;
}
}
}
//经过第一轮安排,基本上所有的课剩余的课时都会小于每周的天数.
foreach (ClassSubjectSetting css in cssc)
{
int flag = 0;
if (error)
{
break;
}
while (css.LastCount > 0)
{
//如果已经标记,说明已经尝试完了
DaySchedule ds = RandomReturnValideDay(css.TeacherID, css.MaxCountPerDay);
if (ds == null)
{
error = true;
break;
}
//如果返回的ds为null则表示查找失败,安排不进课了.
ds.RandomAssignLesson(Global.GradeTeachers[css.TeacherID]);
css.Assigned++;
flag++;
if (flag > 20)
{
//在这里打一标记,
error = true;
//throw new SystemException("可能进入死循环");
}
}
}
return(!error);
}
/// <summary>
/// 载入全年级课程设置
/// </summary>
public static void LoadGradeSubjectSetting()
{
DataTable dt;
_gradeSubjectSetting = new GradeSubjectSetting(ClassCount);
for (int i = 0; i <= ClassCount; i++)
{
dt = StaticSQLiteHelper.GetClassSubjectSetting(i);
ClassSubjectSettingCollection cssc = new ClassSubjectSettingCollection(dt.Rows.Count);
foreach (DataRow row in dt.Rows)
{
cssc.Add(row[0].ToString(), new ClassSubjectSetting(row[0].ToString(), Convert.ToInt32(row[1]), Convert.ToInt32(row[2]), (bool)row[3], row.IsNull(3)?0:Convert.ToInt32(row[3])));
}
_gradeSubjectSetting.Add(i, cssc);
}
}
/// <summary>
/// 初始化本班级课程
/// </summary>
public void InitializeSchedule(ClassSubjectSettingCollection classSubjectCollection)
{
_classSubjectSettingCollection = new ClassSubjectSettingCollection(classSubjectCollection);
int _tryCount = 0;
while (!AssignLessons(_classSubjectSettingCollection))
{
_tryCount++;
if (_tryCount >= 20)
{
throw new AssignFailedException("已经安排了400次,但是都失败了");
}
//清空已经安排的课程，开始下一轮从新安排
ClearAllLesson();
ClearAsignHistory();
}
}
