/**
* @param KnowledgeBase $knowledgeBase
* @param WorkingMemory $workingMemory
*
* @return RuleRunDecorator[]
*/
protected function getMatchedRules(KnowledgeBase $knowledgeBase, WorkingMemory $workingMemory)
{
$this->inferenceProfiler && $this->inferenceProfiler->startIteration();
$this->inferenceProfiler && $this->inferenceProfiler->startMatchingRules();
/** @var RuleRunDecorator[] $matchedRules */
$matchedRules = [];
/** @var Rule $rule */
foreach ($knowledgeBase->getRules() as $rule) {
// if there are already matched rules and they're higher priority dismatch this one
if (sizeof($matchedRules) > 0 && $rule->getPriority() < $matchedRules[0]->getPriority()) {
$this->inferenceProfiler && $this->inferenceProfiler->addMatchingRuleCheck($rule, 'Skip by priority');
break;
}
// skip already executed rules
if ($workingMemory->isExecuted($rule)) {
$this->inferenceProfiler && $this->inferenceProfiler->addMatchingRuleCheck($rule, 'Already executed');
continue;
}
$rule = new RuleRunDecorator($rule, $workingMemory);
$this->inferenceProfiler && $this->inferenceProfiler->addMatchingRuleCheck($rule);
// skip if condition is not true
if ($this->ruleExecutor->checkCondition($rule, $workingMemory)) {
$this->inferenceProfiler && $this->inferenceProfiler->setMatchingRuleCheckResult('Rule matches');
$matchedRules[] = $rule;
} else {
$this->inferenceProfiler && $this->inferenceProfiler->setMatchingRuleCheckResult('Rule does not match');
}
}
$this->inferenceProfiler && $this->inferenceProfiler->endMatchingRules();
return $matchedRules;
}