/// <summary>
/// 迭代一个VcClsLesson的构成元素，包含组；不包含VcClsLesson自身和VcLesson
/// </summary>
private IEnumerable <BaseEntity> eachClsLsnComponent(EnClsLesson clsLsn)
{
yield return(clsLsn.Lesson.Course);
foreach (EnCourseGroup crsGrp in DataRule.Crs.GetGroups(clsLsn.Lesson.Course))
{
yield return(crsGrp);
}
yield return(clsLsn.Squad);
foreach (EnSquadGroup sqdGrp in DataRule.Sqd.GetGroups(clsLsn.Squad))
{
yield return(sqdGrp);
}
if (clsLsn.Teacher != null)
{
yield return(clsLsn.Teacher);
foreach (EnTeacherGroup tchGrp in DataRule.Tch.GetGroups(clsLsn.Teacher))
{
yield return(tchGrp);
}
}
}
public IList <EnLsnAct> GetLsnActs(EnClsLesson ClsLsn)
{
IList <EnLsnAct> Result = new List <EnLsnAct>();
foreach (EnLsnAct act in ClsLsns[ClsLsn.Id].Acts)
{
Result.Add(act);
}
return(Result);
}
private void LoadClsLesson()
{
foreach (OleDbDataReader reader in ThisModule.OleDB.EachRows(
"select Id, FLesson, FSharedTime, FSquad, FTeacher"
+ " from TClsLesson"))
{
EnClsLesson ClsLsn = new EnClsLesson();
ClsLsn.Id = Convert.ToInt64(reader[0]);
ClsLsn.SharedTime = Convert.ToInt32(reader[2]);
if (ClsLsn.SharedTime < 0 || ClsLsn.SharedTime > VcTimeLogic.cMaxSharedTime)
{
ThisModule.ErrorLog.Error("VcClsLesson恢复错误：SharedTime越界"
+ " ClsLsn: " + ClsLsn.SharedTime);
continue;
}
Int64 LsnId = Convert.ToInt64(reader[1]);
LsnContainer LsnCnt;
if (!Lsns.TryGetValue(LsnId, out LsnCnt))
{
ThisModule.ErrorLog.Error("VcClsLesson恢复错误：ID对应的实体不存在 "
+ " Lesson: " + LsnId);
continue;
}
ClsLsn.Lesson = LsnCnt.Lsn;
ClsLsn.Squad = ThisModule.Sqd.MbrDAC.Get(Convert.ToInt64(reader[3]));
if (ClsLsn.Squad == null)
{
ThisModule.ErrorLog.Error("VcClsLesson恢复错误：ID对应的实体不存在 "
+ " Squad: " + reader[3]);
continue;
}
Int64 TchID = Convert.ToInt64(reader[4]);
if (TchID > 0)
{
ClsLsn.Teacher = ThisModule.Tch.MbrDAC.Get(TchID);
if (ClsLsn.Teacher == null)
{
ThisModule.ErrorLog.Error("VcClsLesson恢复错误：ID对应的实体不存在 "
+ " Teacher: " + TchID);
continue;
}
}
LsnCnt.ClsLessons.Add(ClsLsn);
ClsLsnContainer ClsLsnCnt = new ClsLsnContainer();
ClsLsnCnt.ClsLsn = ClsLsn;
ClsLsns.Add(ClsLsn.Id, ClsLsnCnt);
}
}
/// <summary>
/// 生成班级课表的规则,应用clsLsn的规则并标记出教师授课冲突
/// </summary>
private void SetSqdScheduleListRule()
{
//没课的单元格必须设为eRule.common
foreach (SqdSchedule sqdSch in SqdScheduleList.Values)
{
foreach (ScheduleNode node in sqdSch.Matrix.eachElement())
{
node.Rule = eRule.common;
}
}
DtMatrix <Boolean> Times = new DtMatrix <bool>(DataRule.Solution);
IDictionary <EnTeacher, Int32> TchsClsCount = new Dictionary <EnTeacher, Int32>();
foreach (VcTime time in Times.eachTime())
{
TchsClsCount.Clear();
foreach (ScheduleNode schNode in eachEnabledScheduleNode(time))
{
EnClsLesson clsLsn = schNode.LsnAct.ClsLesson;
schNode.Rule = ClsLsnRuleList[clsLsn][time]; //程序逻辑正常则必定存在
if (clsLsn.Teacher != null)
{
if (TchsClsCount.ContainsKey(clsLsn.Teacher))
{
TchsClsCount[clsLsn.Teacher]++;
}
else
{
TchsClsCount.Add(clsLsn.Teacher, 1);
}
}
}
foreach (KeyValuePair <EnTeacher, Int32> pair in TchsClsCount)
{
if (pair.Value > 1)
{
foreach (ScheduleNode schNode in eachEnabledScheduleNode(time))
{
if (schNode.LsnAct.ClsLesson.Teacher == pair.Key)
{
schNode.Rule = eRule.crisscross;
}
}
}
}
}
}
public void SquadRelationIsCreate(EnSquadGroup grp, EnSquad mbr)
{
//增加班级与班级组关系后，此班级组的课务安排会自动应用到此班级
IList <EnLesson> Lsns = GetLessons(grp);
foreach (EnLesson lsn in Lsns)
{
EnClsLesson clsLsn = new EnClsLesson();
clsLsn.Lesson = lsn;
clsLsn.SharedTime = lsn.SharedTime;
clsLsn.Squad = mbr;
SaveClsLsnTree(clsLsn);
}
}
public EnClsLesson SaveClsLesson(EnClsLesson Value)
{
//这样更高效但难理解
//foreach(VcClsLesson clsLsn in Lsns[Value.Lesson.Id].ClsLessons)
// if (clsLsn.Squad == Value.Squad)
// {
// ClsLsnContainer clsLsnCnt = ClsLsns[clsLsn.Id];
foreach (ClsLsnContainer clsLsnCnt in this.ClsLsns.Values)
{
if (clsLsnCnt.ClsLsn.Squad == Value.Squad &&
clsLsnCnt.ClsLsn.Lesson.Id == Value.Lesson.Id)
{
clsLsnCnt.ClsLsn.SharedTime = Value.SharedTime;
clsLsnCnt.ClsLsn.Teacher = Value.Teacher;
ThisModule.OleDB.ExecuteNonQuery("update TClsLesson set "
+ " FSharedTime = " + Value.SharedTime
+ ", FTeacher = " + (Value.Teacher == null ? 0 : Value.Teacher.Id)
+ " where Id = " + clsLsnCnt.ClsLsn.Id);
return(clsLsnCnt.ClsLsn);
}
}
EnClsLesson ClsLsn = new EnClsLesson();
ClsLsn.Lesson = Lsns[Value.Lesson.Id].Lsn;
ClsLsn.SharedTime = Value.SharedTime;
ClsLsn.Squad = Value.Squad;
ClsLsn.Teacher = Value.Teacher;
ClsLsn.Id = Convert.ToInt64(ThisModule.OleDB.InsertAndReturnId_MS("insert into TClsLesson"
+ " (FLesson, FSharedTime, FSquad, FTeacher) values ("
+ Value.Lesson.Id
+ ", " + Value.SharedTime
+ ", " + Value.Squad.Id
+ ", " + (Value.Teacher == null ? 0 : Value.Teacher.Id)
+ ")"));
ClsLsnContainer clc = new ClsLsnContainer();
clc.ClsLsn = ClsLsn;
ClsLsns.Add(ClsLsn.Id, clc);
Lsns[ClsLsn.Lesson.Id].ClsLessons.Add(ClsLsn);
return(ClsLsn);
}
public void DeleteClsLesson(EnClsLesson Value)
{
IList <EnClsLesson> clsLsns = Lsns[Value.Lesson.Id].ClsLessons;
for (Int32 i = 0; i < clsLsns.Count; i++)
{
if (clsLsns[i].Id == Value.Id)
{
clsLsns.RemoveAt(i);
break;
}
}
ClsLsns.Remove(Value.Id);
ThisModule.OleDB.ExecuteNonQuery("delete from TLsnAct where FClsLesson = " + Value.Id);
ThisModule.OleDB.ExecuteNonQuery("delete from TClsLesson where Id = " + Value.Id);
}
internal void SaveClsLsnTree(EnClsLesson ClsLsn)
{
EnClsLesson clsLsn = ThisModule.Dac.Lsn.SaveClsLesson(ClsLsn);
IList <EnLsnAct> Acts = ThisModule.Dac.Lsn.GetLsnActs(clsLsn);
if (ClsLsn.SharedTime > Acts.Count)
{
IList <EnLsnAct> WAdd = new List <EnLsnAct>();
for (Int32 i = 0; i < ClsLsn.SharedTime - Acts.Count; i++)
{
EnLsnAct act = new EnLsnAct();
act.ClsLesson = clsLsn;
WAdd.Add(act);
}
ThisModule.Lsn.SaveLsnActs(WAdd);
}
else if (ClsLsn.SharedTime < Acts.Count)
{
//课时减少，优先移除时间无效的课
IList <EnLsnAct> WDel = new List <EnLsnAct>();
Int32 WDelCount = Acts.Count - ClsLsn.SharedTime;
foreach (EnLsnAct act in Acts)
{
if (!act.Time.HasValue && WDel.Count < WDelCount)
{
WDel.Add(act);
}
}
foreach (EnLsnAct act in Acts)
{
if (act.Time.HasValue && WDel.Count < WDelCount)
{
WDel.Add(act);
}
}
ThisModule.Dac.Lsn.DeleteLsnActs(WDel);
}
ThisModule.SendDataChanged();
}
public void Save()
{
//删除课程
IList <EnLesson> Lessons = DataRule.Lsn.GetLessons(Grp);
foreach (EnLesson Lsn in Lessons)
{
if (!InLsns(Lsn.Course))
{
DataRule.Lsn.RemoveLsn(Lsn);
}
}
//保存与更新
foreach (FcLesson FcLsn in this.FcLsns)
{
EnLesson Lsn = new EnLesson();
IList <EnClsLesson> ClsLsns = new List <EnClsLesson>();
Lsn.SquadGroup = this.Grp;
Lsn.Course = FcLsn.course;
Lsn.IsSelfStudy = FcLsn.IsSelfStudy;
Lsn.SharedTime = FcLsn.SharedTime;
foreach (FcClsLesson FcClsLsn in FcLsn.FcClsLsns)
{
EnClsLesson ClsLsn = new EnClsLesson();
ClsLsn.Lesson = Lsn;
ClsLsn.Squad = FcClsLsn.squad;
ClsLsn.Teacher = FcClsLsn.teacher;
ClsLsn.SharedTime = FcClsLsn.SharedTime;
ClsLsns.Add(ClsLsn);
}
DataRule.Lsn.SaveLsnTree(Lsn, ClsLsns);
}
Modify = false;
}
//以下方法为本层服务
public void RemoveClsLsn(EnClsLesson clsLsn)
{
ThisModule.Dac.Rule.DeleteRuleOfEty(clsLsn);
ThisModule.Dac.Lsn.DeleteClsLesson(clsLsn);
}
/// <summary>
/// 仅负责把空课安排到合适的位置，不会动已排的课
/// </summary>
private Boolean Automatic(EnSquad squad)
{
if (SqdScheduleList[squad].FailLsnActs.Count == 0)
{
return(false);
}
//策略：
//第一步：整理FailLsnActs到有序（同VcClsLesson相邻，为提高速度）
//对每一VcLsnAct：计算优势值（靠评价函数），安排到优势值最大的Time
SqdSchedule sch = SqdScheduleList[squad];
sch.Modified = true;
IList <EnLsnAct> OrderFailLsnActs = GetOrderFailLsnActs(sch.FailLsnActs);
Int32 DaySum = 0;
foreach (Boolean bl in DataRule.Solution.ActiveWeekArr)
{
if (bl)
{
DaySum++;
}
}
EnClsLesson frontClsLsn = null;
DtMatrix <Boolean> TchConcretes = null;
DtMatrix <eRule> ClsLsnRules = null;
Int32[] CourseCnt = new Int32[7];
Int32 CourseAverage = 0;
foreach (EnLsnAct act in OrderFailLsnActs)
{
if (frontClsLsn == null || frontClsLsn != act.ClsLesson)
{
frontClsLsn = act.ClsLesson;
TchConcretes = new DtMatrix <bool>(DataRule.Solution);
ClsLsnRules = this.ClsLsnRuleList[act.ClsLesson];
if (act.ClsLesson.Teacher != null)
{
foreach (VcTime time in sch.Matrix.eachTime())
{
if (sch.Matrix[time].LsnAct == null)
{
foreach (SqdSchedule sqdSch in SqdScheduleList.Values)
{
if (sqdSch.Matrix[time].LsnAct != null &&
sqdSch.Matrix[time].LsnAct.ClsLesson.Teacher == act.ClsLesson.Teacher)
{
TchConcretes[time] = true;
break;
}
}
}
}
}
//foreach (Int32 cnt in CourseCnt)
// cnt = 0;
for (Int32 i = 0; i <= 6; i++)
{
CourseCnt[i] = 0;
}
Int32 CourseSum = 0;
foreach (VcTime time in sch.Matrix.eachTime())
{
if (sch.Matrix[time].LsnAct != null &&
sch.Matrix[time].LsnAct.ClsLesson.Lesson.Course == act.ClsLesson.Lesson.Course)
{
CourseCnt[(Int32)time.Week]++;
CourseSum++;
}
}
foreach (EnLsnAct failAct in sch.FailLsnActs)
{
if (failAct.ClsLesson.Lesson.Course == act.ClsLesson.Lesson.Course)
{
CourseSum++;
}
}
if (DaySum == 0)
{
CourseAverage = 0;
}
else
{
CourseAverage = (CourseSum + DaySum - 1) / DaySum;
}
}
//TchConcretes true教师冲突
//ClsLsnRules 规则
//CourseCnt 此课每天已经上的节数（数组）
//CourseSum 此课每周总课时
//CourseAverage 每天平均上课节数
DtMatrix <Int32> Advantages = new DtMatrix <Int32>(DataRule.Solution);
foreach (VcTime time in sch.Matrix.eachTime())
{
if (sch.Matrix[time].LsnAct != null)
{
Advantages[time] = Int32.MinValue;
}
else
{
Advantages[time] = TchConcretes[time] ? -2 : (Int32)ClsLsnRules[time];
if (CourseCnt[(Int32)time.Week] >= CourseAverage)
{
if (Advantages[time] > -1)
{
Advantages[time] = -1; //这一天上课比较多
}
}
}
}
Int32 MaxAdvantage = Int32.MinValue;
VcTime MaxAdvantageTime = new VcTime();
foreach (VcTime time in Advantages.eachTime())
{
if (MaxAdvantage < Advantages[time])
{
MaxAdvantage = Advantages[time];
time.CopyFieldTo(MaxAdvantageTime);
}
}
if (MaxAdvantage == Int32.MinValue)
{
return(true); //没地方排了
}
if (MaxAdvantage >= -1)
{
CourseCnt[(Int32)MaxAdvantageTime.Week]++;
sch.Matrix[MaxAdvantageTime].LsnAct = act;
sch.FailLsnActs.Remove(act);
}
}
foreach (VcTime time in sch.Matrix.eachTime())
{
if (sch.FailLsnActs.Count > 0 && sch.Matrix[time].LsnAct == null)
{
sch.Matrix[time].LsnAct = sch.FailLsnActs[sch.FailLsnActs.Count - 1];
sch.FailLsnActs.RemoveAt(sch.FailLsnActs.Count - 1);
}
}
return(true);
}
