/**
* @param Rule $rule
* @param WorkingMemory $workingMemory
*
* @return array
*/
public function execute(Rule $rule, WorkingMemory $workingMemory)
{
$facts = $workingMemory->getAllFacts();
/**
* @param string $_action
* @return array
*/
$executor = function ($_action) use($facts) {
extract($facts);
unset($facts);
eval($_action);
unset($_action);
return get_defined_vars();
};
$workingMemory->setAllFacts($executor($rule->getAction()));
$workingMemory->setExecuted($rule->getRule());
}
/**
* @param Rule $rule
*/
public function addIterationRuleExecution(Rule $rule)
{
$this->currentIterationExecution = sizeof($this->inferences[$this->currentInference]['iterations'][$this->currentIteration]['executions']);
$this->inferences[$this->currentInference]['iterations'][$this->currentIteration]['executions'][$this->currentIterationExecution] = ['name' => $rule->getName(), 'action' => $rule->getAction()];
}
/**
* @param Rule $rule
* @param WorkingMemory $workingMemory
*
* @return array
*/
private function execAction(Rule $rule, WorkingMemory $workingMemory)
{
$facts = $workingMemory->getAllFacts();
/**
* @param string $_action
* @return array
*/
$executor = function ($_action) use($facts) {
extract($facts);
unset($facts);
eval($_action);
unset($_action);
return get_defined_vars();
};
$code = trim($rule->getAction());
$code = $code . (preg_match('/;$/i', $code) ? '' : ';');
return $executor($code);
}
/**
* @return string
*/
public function getAction()
{
return $this->rule->getAction();
}
