/**
* @param Rule $rule
* @param WorkingMemory $workingMemory
*
* @return bool
*/
public function checkCondition(Rule $rule, WorkingMemory $workingMemory)
{
try {
return (bool) $this->expressionLanguage->evaluate($rule->getCondition(), $workingMemory->getAllFacts());
} catch (SyntaxError $e) {
return false;
}
}
/**
* @param Rule $rule
* @param WorkingMemory $workingMemory
*
* @return bool
*/
private function execCondition(Rule $rule, WorkingMemory $workingMemory)
{
$facts = $workingMemory->getAllFacts();
/**
* @param string $_action
* @return array
*/
$executor = function ($_action) use($facts) {
extract($facts);
unset($facts);
$_return = eval($_action);
return $_return;
};
$code = trim($rule->getCondition());
$code = (preg_match('/^return /i', $code) ? '' : 'return ') . $code;
$code = $code . (preg_match('/;$/i', $code) ? '' : ';');
return $executor($code);
}
/**
* @param Rule $combinationRule
*/
public function addMatchingRuleCheckConditionWildcardCombinationCheck(Rule $combinationRule)
{
$this->currentMatchingRuleCheckConditionWildcard = sizeof($this->inferences[$this->currentInference]['iterations'][$this->currentIteration]['matchingRuleChecks'][$this->currentMatchingRuleCheck]['wildcard']);
$this->inferences[$this->currentInference]['iterations'][$this->currentIteration]['matchingRuleChecks'][$this->currentMatchingRuleCheck]['wildcard'][$this->currentMatchingRuleCheckConditionWildcard] = ['name' => $combinationRule->getName(), 'condition' => $combinationRule->getCondition(), 'result' => ''];
}
/**
* @return string
*/
public function getCondition()
{
return $this->rule->getCondition();
}
