/// <summary>
/// remember event item work will be into process
/// INが Eventで予約されている事を 各種制約で考慮できるように覚えておく
/// </summary>
/// <param name="now"></param>
public void RememberWorkWillBeIn(DateTime now, JitStage.WorkEventQueue.Item ei)
{
foreach (var cio in Cios)
{
var stage = ei.Work.FindStage();
stage.SetLastInTime(ei.Work.Next, cio, now); // save in-time (for Span constraint)
stage.AddWorkInReserve(ei.Work.Next, cio, ei.Work); // reserve work-in (for Max constraint)
}
}
/// <summary>
/// caluclate next confirmation timing
/// Span制約中のワークに対して、待ち時間を計算する
/// </summary>
/// <param name="Events"></param>
/// <param name="ei"></param>
/// <param name="work"></param>
/// <param name="Now"></param>
/// <returns></returns>
public override TimeSpan GetWaitTime(JitStage.WorkEventQueue.Item ei, DateTime Now)
{
var ret = MathUtil.Min(
TimeSpan.FromDays(999.9),
ei.Work.Current.Stage.GetLastInTime(ei.Work.Next, this) + Span - Now
);
if (ret < TimeSpan.FromSeconds(1))
{
ret = PorlingSpan;
}
return(ret);
}
/// <summary>
/// interval time to check next confirmation timing
/// 制約中のワークに対し、待ち時間を計算する
/// </summary>
/// <returns></returns>
public override TimeSpan GetWaitTime(JitStage.WorkEventQueue.Item ei, DateTime Now)
{
var nextexit = ei.Work.FindStage().Events.Find(ei.Work.Next, EventTypes.Out, ":Work");
if (nextexit != null)
{
var ret = MathUtil.Min(TimeSpan.FromDays(999.9), nextexit.Value.Work.ExitTime - Now);
if (ret < TimeSpan.FromSeconds(1))
{
ret = TimeSpan.FromMinutes(1);
}
return(ret);
}
else
{
return(TimeSpan.FromSeconds(0)); // OUT→INの処理待ちのケースなので、同時刻(IN完了)を指定する
// Note: 後工程が最終工程で、ワーク詰まって、IN制約で入れないとすると、無限ループになる
}
}
/// <summary>
/// interval time of next confirmation timing when the work was in waiting condition
/// 横工程からInできない場合、次に確認するまで待つ時間
/// </summary>
/// <param name="Events"></param>
/// <param name="ei"></param>
/// <param name="Now"></param>
/// <returns></returns>
public override TimeSpan GetWaitTime(JitStage.WorkEventQueue.Item ei, DateTime Now)
{
return(PorlingSpan);
}
