/// <summary>
/// add a work into event queue
/// ワークをキューに追加（時間順。同時刻なら後の方に）
/// </summary>
/// <param name="workOrKanban">object either work or kanban</param>
/// <returns></returns>
public JitVariable Enqueue(DateTime dt, EventTypes type, JitVariable workOrKanban)
{
PrepareDummyItems(dt);
LinkedListNode <Item> node;
if (_sections.TryGetValue(TimeUtil.ClearSeconds(dt), out var topnode) == false) // 分毎にシーク位置をスキップできる
{
topnode = _dat.First;
}
for (node = topnode; node != null; node = node.Next) // 挿入位置を捜す
{
if (node.Value.DT > dt)
{
break;
}
}
var item = new Item
{
DT = dt,
Work = workOrKanban as JitWork,
Kanban = workOrKanban as JitKanban,
Type = type,
};
if (node == null) // ポカヨケ
{
_dat.AddLast(item);
}
else
{
_dat.AddBefore(node, item);
}
return(workOrKanban);
}
/// <summary>
/// make dummy event item that is sake for speed finding
/// 分毎のダミーListNodeを作成する（検索高速化）
/// </summary>
/// <param name="dt"></param>
private void PrepareDummyItems(DateTime dt)
{
if (_dat.Count > 0)
{
return;
}
for (var t = TimeUtil.ClearSeconds(dt); t < dt + TimeSpan.FromDays(2); t += TimeSpan.FromMinutes(1))
{
var node = _dat.AddLast(new DummyItem // 検索の速度を上げるための分毎のダミーItem
{
DT = t,
Work = null,
});
_sections[t] = node;
}
}
