/// <summary>
/// 探索し、結果を返却します。
/// </summary>
/// <param name="context">フィールド状態</param>
/// <returns>移動方向</returns>
public Direction Search(FieldContext context)
{
StopWatchLogger.StartEventWatch("NegaMaxTemplate.SearchBestValue");
this.Value = this.SearchBestValue(context.DeepCopy(), 1, DefaultAlpha, DefaultBeta);
FileHelper.WriteLine("BestScore:" + this.Value);
StopWatchLogger.StopEventWatch("NegaMaxTemplate.SearchBestValue");
StopWatchLogger.WriteAllEventTimes("./log/eventtime.txt");
return(this.key);
}
/// <summary>
/// 評価値を取得する
/// </summary>
/// <returns></returns>
protected override double GetEvaluate(FieldContext context)
{
StopWatchLogger.StartEventWatch("SearchBestPointer-GetEvaluate");
var score = this.Evaluator.Evaluate(context);
StopWatchLogger.StopEventWatch("SearchBestPointer-GetEvaluate");
FileHelper.WriteLine($"score:{score} direction:{context.OperationDirection}");
return(score * this.GetParity(context));
}
public async Task <IActionResult> UpdateAsync(FileIndexItem inputModel, string f, bool append,
bool collections = true, int rotateClock = 0)
{
var stopwatch = StopWatchLogger.StartUpdateReplaceStopWatch();
var inputFilePaths = PathHelper.SplitInputFilePaths(f);
var(fileIndexResultsList, changedFileIndexItemName) = await _metaPreflight.Preflight(inputModel,
inputFilePaths, append, collections, rotateClock);
var operationId = HttpContext.GetOperationId();
// Update >
_bgTaskQueue.QueueBackgroundWorkItem(async _ =>
{
var operationHolder = RequestTelemetryHelper.GetOperationHolder(_scopeFactory,
nameof(UpdateAsync), operationId);
var metaUpdateService = _scopeFactory.CreateScope()
.ServiceProvider.GetRequiredService <IMetaUpdateService>();
var data = await metaUpdateService.UpdateAsync(
changedFileIndexItemName, fileIndexResultsList, null,
collections, append, rotateClock);
operationHolder.SetData(_scopeFactory, data);
});
// before sending not founds
new StopWatchLogger(_logger).StopUpdateReplaceStopWatch("update", f, collections, stopwatch);
// When all items are not found
if (fileIndexResultsList.All(p => p.Status != FileIndexItem.ExifStatus.Ok &&
p.Status != FileIndexItem.ExifStatus.Deleted))
{
return(NotFound(fileIndexResultsList));
}
// Clone an new item in the list to display
var returnNewResultList = fileIndexResultsList.Select(item => item.Clone()).ToList();
// when switching very fast between images the background task has not run yet
_metaUpdateService.UpdateReadMetaCache(returnNewResultList);
// Push direct to socket when update or replace to avoid undo after a second
_logger.LogInformation($"[UpdateController] send to socket {f}");
await Task.Run(async() => await TaskRun(fileIndexResultsList));
return(Json(returnNewResultList));
}
public async Task <IActionResult> Replace(string f, string fieldName, string search,
string replace, bool collections = true)
{
var stopwatch = StopWatchLogger.StartUpdateReplaceStopWatch();
var fileIndexResultsList = await _metaReplaceService
.Replace(f, fieldName, search, replace, collections);
var resultsOkOrDeleteList = fileIndexResultsList.Where(
p => p.Status == FileIndexItem.ExifStatus.Ok ||
p.Status == FileIndexItem.ExifStatus.Deleted).ToList();
var changedFileIndexItemName = resultsOkOrDeleteList.
ToDictionary(item => item.FilePath, item => new List <string> {
fieldName
});
// Update >
_bgTaskQueue.QueueBackgroundWorkItem(async _ =>
{
var metaUpdateService = _scopeFactory.CreateScope()
.ServiceProvider.GetRequiredService <IMetaUpdateService>();
await metaUpdateService
.UpdateAsync(changedFileIndexItemName, resultsOkOrDeleteList,
null, collections, false, 0);
});
// before sending not founds
new StopWatchLogger(_logger).StopUpdateReplaceStopWatch("update", f, collections, stopwatch);
// When all items are not found
if (!resultsOkOrDeleteList.Any())
{
return(NotFound(fileIndexResultsList));
}
// Push direct to socket when update or replace to avoid undo after a second
var webSocketResponse =
new ApiNotificationResponseModel <List <FileIndexItem> >(resultsOkOrDeleteList, ApiNotificationType.Replace);
await _connectionsService.NotificationToAllAsync(webSocketResponse, CancellationToken.None);
return(Json(fileIndexResultsList));
}
/// <summary>
/// <para>最善手を探索して取得する</para>
/// </summary>
/// <returns></returns>
protected double SearchBestValue(FieldContext context, int depth, double alpha, double beta)
{
// 深さ制限に達した
if (this.IsLimit(depth))
{
return(this.GetEvaluate(context));
}
// 可能な手をすべて生成
var leafList = this.GetAllLeaf(context);
double maxKeyValue = DefaultAlpha;
if (leafList.Count() > 0)
{
// ソート
StopWatchLogger.StartEventWatch("MoveOrdering");
if (this.IsOrdering(depth))
{
leafList = this.MoveOrdering(leafList, context);
}
StopWatchLogger.StopEventWatch("MoveOrdering");
var lastContext = context.DeepCopy();
foreach (Direction leaf in leafList)
{
// 前処理
StopWatchLogger.StartEventWatch("SearchSetUp");
this.SearchSetUp(context, leaf);
StopWatchLogger.StopEventWatch("SearchSetUp");
double value = this.SearchBestValue(context, depth + 1, -beta, -alpha) * -1;
// 後処理
StopWatchLogger.StartEventWatch("SearchTearDown");
//context = this.SearchTearDown(lastContext);
context = lastContext.DeepCopy();
StopWatchLogger.StopEventWatch("SearchTearDown");
// ベータ刈り
if (value >= beta)
{
this.SetKey(leaf, depth);
return(value);
}
if (value > maxKeyValue)
{
// より良い手が見つかった
this.SetKey(leaf, depth);
maxKeyValue = value;
// α値の更新
alpha = Math.Max(alpha, maxKeyValue);
}
}
}
else
{
// ▼パスの場合▼
// 前処理
var lastContext = context.DeepCopy();
this.PassSetUp(context);
maxKeyValue = this.SearchBestValue(context, depth + 1, -beta, -alpha) * -1;
// 後処理
//context = this.PassTearDown(lastContext);
context = lastContext.DeepCopy();
}
Debug.Assert(((maxKeyValue != DefaultAlpha) && (maxKeyValue != DefaultBeta)), "デフォルト値のまま返そうとしています。");
return(maxKeyValue);
}