public void RunUntil(int timeOut, bool earlyTimeOut)
{
DateTime lEndTime = DateTime.Now.AddSeconds(timeOut);
while (true)
{
SearchStatus lSearchStatus = GetStatus();
SearchStatusType lSearchStatusType = lSearchStatus.Status;
if ((lSearchStatusType == SearchStatusType.Completed) || (lSearchStatusType == SearchStatusType.Stopped))
{
return;
}
// if it very unlike that another result will return in the remaining time, stop researching, so the time can be used later
if (earlyTimeOut)
{
if ((lSearchStatusType == SearchStatusType.Thinking) && (lSearchStatus.BestMoveUpdate.Add(lSearchStatus.BestMoveUpdateTimeLapse).AddSeconds(-1) > lEndTime))
{
Console.Error.WriteLine("Early Time Out:");
Console.Error.WriteLine("Saved: " + (lEndTime - DateTime.Now).Seconds.ToString() + " Seconds");
return;
}
}
if (DateTime.Now > lEndTime)
{
return;
}
lock (SearchInterface)
{
Monitor.Wait(SearchInterface, 250);
}
}
}
public void StartThinking()
{
try
{
GoThink();
}
catch (AbortedSearchException lException)
{
int lLevels = lException.StackTrace.Length; // dummy status to avoid unused variable warning message
}
lock (this)
{
SearchStatus.Timer.Stop();
if (Status == SearchStatusType.Stopping)
{
Status = SearchStatusType.Stopped;
}
else
{
Status = SearchStatusType.Completed;
}
UpdateStatus(); // and again
}
NotifyAll();
}
public bool RequestStop()
{
if (SearchInterface == null)
{
return(true);
}
SearchStatusType lStatus = SearchInterface.GetStatus().Status;
if ((lStatus == SearchStatusType.Completed) || (lStatus == SearchStatusType.Stopped))
{
return(true);
}
// harmless if already stopped (method does not block)
SearchInterface.StopThinking();
return(false);
}
public void StopThinking()
{
lock (this)
{
// check is search has completed or been stopped
if ((Status == SearchStatusType.Completed) || (Status == SearchStatusType.Stopped))
{
UpdateStatus();
NotifyAll();
return;
}
// change status to stopping
Status = SearchStatusType.Stopping;
// set flag to stop thinking
StopThinkingFlag = true;
// get another update
UpdateStatusFlag = true;
}
}
public void Initialize(GoBoard goBoard, Color playerToMove, SearchOptions searchOptions, OnCompletion onCompletion)
{
lock (this)
{
SearchStatus = new SearchStatus();
SearchStatus.BoardSize = goBoard.BoardSize;
Status = SearchStatusType.Thinking;
UpdateStatus();
UpdateStatusFlag = true;
StopThinkingFlag = false;
SearchOptions = searchOptions.Clone();
NodesSearched = NodesEvaluated = 0;
CheckSuperKo = searchOptions.CheckSuperKo;
OnCompletion = onCompletion;
SearchInterface.Initialize(goBoard, SearchOptions);
Board = goBoard;
PlayerToMove = playerToMove;
}
}
public void StopThinking()
{
lock (this)
{
// check is search has completed or been stopped
if ((Status == SearchStatusType.Completed) || (Status == SearchStatusType.Stopped))
{
UpdateStatus();
NotifyAll();
return;
}
// change status to stopping
Status = SearchStatusType.Stopping;
// set flag to stop thinking
StopThinkingFlag = true;
// get another update
UpdateStatusFlag = true;
}
}
public void StartThinking()
{
try
{
GoThink();
}
catch (AbortedSearchException lException)
{
int lLevels = lException.StackTrace.Length; // dummy status to avoid unused variable warning message
}
lock (this)
{
SearchStatus.Timer.Stop();
if (Status == SearchStatusType.Stopping)
Status = SearchStatusType.Stopped;
else
Status = SearchStatusType.Completed;
UpdateStatus(); // and again
}
NotifyAll();
}
public void Initialize(GoBoard goBoard, Color playerToMove, SearchOptions searchOptions, OnCompletion onCompletion)
{
lock (this)
{
SearchStatus = new SearchStatus();
SearchStatus.BoardSize = goBoard.BoardSize;
Status = SearchStatusType.Thinking;
UpdateStatus();
UpdateStatusFlag = true;
StopThinkingFlag = false;
SearchOptions = searchOptions.Clone();
NodesSearched = NodesEvaluated = 0;
CheckSuperKo = searchOptions.CheckSuperKo;
OnCompletion = onCompletion;
SearchInterface.Initialize(goBoard, SearchOptions);
Board = goBoard;
PlayerToMove = playerToMove;
}
}
/// <summary>
/// Search for text in the specified index
/// </summary>
/// <param name="database">Database id</param>
/// <param name="language">Language</param>
/// <param name="text">Text to search for</param>
/// <returns></returns>
public List <SearchResultItem> Search(string database, string language, string text, out SearchStatusType status, string filter = "", int resultListLength = 250)
{
Searcher searcher = GetSearcher(database, language);
if (searcher == null)
{
// Return empty list
status = SearchStatusType.NotIndexed;
return(new List <SearchResultItem>());
}
status = SearchStatusType.Successful;
return(searcher.Search(text, filter, resultListLength));
}