Execute the expression with a given Rules state.

Note that this does not auto-save any changes.

Parameters

\Drupal\rules\Context\ExecutionStateInterface $state: The state with all the execution variables in it.

Return value

null|bool The expression may return a boolean value after execution, this is used by conditions that return their evaluation result.

Overrides ExpressionInterface::executeWithState

File

src/Plugin/RulesExpression/RuleExpression.php, line 106

Class

RuleExpression

Provides a rule, executing actions when conditions are met.

Namespace

Drupal\rules\Plugin\RulesExpression

Code

public function executeWithState(ExecutionStateInterface $state) {
    // Evaluate the rule's conditions.
    $this->rulesDebugLogger
        ->info('Evaluating conditions of rule %label.', [
        '%label' => $this->getLabel(),
        'element' => $this,
    ]);
    if (!$this->conditions
        ->isEmpty() && !$this->conditions
        ->executeWithState($state)) {
        // Do not run the actions if the conditions are not met.
        return;
    }
    $this->rulesDebugLogger
        ->info('Rule %label fires.', [
        '%label' => $this->getLabel(),
        'element' => $this,
        'scope' => TRUE,
    ]);
    $this->actions
        ->executeWithState($state);
    $this->rulesDebugLogger
        ->info('Rule %label has fired.', [
        '%label' => $this->getLabel(),
        'element' => $this,
        'scope' => FALSE,
    ]);
}