/// <summary>
/// Removes or updates the given genome tournament key in the evaluation queue.
/// </summary>
/// <param name="genomeTournamentKey">The genome tournament key.</param>
private void RemoveOrUpdateInPriorityQueue(GenomeTournamentKey genomeTournamentKey)
{
if (this._globalPriorityQueue == null)
{
// We are in result storage update phase!
return;
}
var genomeStats = this._genomeToGenomeStats[genomeTournamentKey.Genome];
if (!genomeStats.HasOpenInstances)
{
if (this._globalPriorityQueue.Contains(genomeTournamentKey))
{
this._globalPriorityQueue.Remove(genomeTournamentKey);
}
}
else
{
var genomePriority = this._runEvaluator
.ComputeEvaluationPriorityOfGenome(
this._genomeToGenomeStats[genomeTournamentKey.Genome].ToImmutable());
this._globalPriorityQueue.UpdatePriority(genomeTournamentKey, genomePriority);
}
}
/// <summary>
/// Requeues the given evaluation, if relevant for this mini tournament.
/// </summary>
/// <param name="evaluation">The evaluation.</param>
public void RequeueEvaluationIfRelevant(GenomeInstancePair <TInstance> evaluation)
{
lock (this._lock)
{
if (!this._genomeToGenomeStats.TryGetValue(evaluation.Genome, out var genomeStats))
{
return;
}
var genomeKey = new GenomeTournamentKey(evaluation.Genome, this.MiniTournamentId);
var genomePriority = this._runEvaluator.ComputeEvaluationPriorityOfGenome(genomeStats.ToImmutable());
if (genomeStats.RequeueInstance(evaluation.Instance))
{
if (this._globalPriorityQueue != null)
{
if (!this._globalPriorityQueue.Contains(genomeKey))
{
this._globalPriorityQueue.Enqueue(
genomeKey,
genomePriority);
}
else
{
this._globalPriorityQueue.UpdatePriority(genomeKey, genomePriority);
}
}
}
}
}
/// <summary>
/// Tries to get the next instance of the given genome tournament key and updates the evaluation queue.
/// </summary>
/// <param name="nextGenomeKey">The next genome tournament key.</param>
/// <param name="nextInstance">The next instance.</param>
/// <returns>True, if there is a next instance.</returns>
public bool TryGetNextInstanceAndUpdateGenomePriority(GenomeTournamentKey nextGenomeKey, out TInstance nextInstance)
{
lock (this._lock)
{
var genomeStats = this._genomeToGenomeStats[nextGenomeKey.Genome];
var hasStartedInstance = genomeStats.TryStartInstance(out nextInstance);
this.RemoveOrUpdateInPriorityQueue(nextGenomeKey);
return(hasStartedInstance);
}
}
/// <summary>
/// Checks if equal.
/// </summary>
/// <param name="other">The other.</param>
/// <returns>True, if equal.</returns>
protected bool Equals(GenomeTournamentKey other)
{
return(this.TournamentId == other.TournamentId &&
ImmutableGenome.GenomeComparer.Equals(this.Genome, other.Genome));
}
