public function calculateGeneration(Skill $skill)
{
if ($this->processedGenerationSkills->contains($skill)) {
return;
}
$this->lineage = [];
$generation = 1;
$ancestors = $this->getAncestors($skill);
if (count($ancestors)) {
$root = $this->findRoot($ancestors);
if ($root !== null) {
$generation = $this->nextStep($root, $skill, $ancestors);
}
}
$skill->setGeneration($generation);
$skill->clearLineagesRelatedBySkillId();
// set generations
foreach ($this->lineage as $pos => $ancestor) {
$lin = new Lineage();
$lin->setSkill($skill);
$lin->setAncestor($ancestor);
$lin->setPosition($pos);
}
$this->modifiedSkills->add($skill);
$this->processedGenerationSkills->add($skill);
$this->processGenerationQueue();
}
