function RulesComponentAction::execute

Overrides RulesActionBase::execute

File

src/Plugin/RulesAction/RulesComponentAction.php, line 76

Class

RulesComponentAction

Provides a generic 'Execute Rules component' action.

Namespace

Code

public function execute() {
    $rules_config = $this->storage
        ->load($this->componentId);
    // Setup an isolated execution state for this expression and pass on the
    // necessary context.
    $rules_component = $rules_config->getComponent();
    foreach ($this->getContexts() as $context_name => $context) {
        // Pass through the already existing typed data objects to avoid creating
        // them from scratch.
        $rules_component->getState()
            ->setVariableData($context_name, $context->getContextData());
    }
    // We don't use RulesComponent::execute() here since we don't want to
    // auto-save immediately.
    $state = $rules_component->getState();
    $expression = $rules_component->getExpression();
    $expression->executeWithState($state);
    // Postpone auto-saving to the parent expression triggering this action.
    foreach ($state->getAutoSaveSelectors() as $selector) {
        $parts = explode('.', $selector);
        $context_name = reset($parts);
        if (array_key_exists($context_name, $this->context)) {
            $this->saveLater[] = $context_name;
        }
        else {
            // Otherwise we need to save here since it will not happen in the parent
            // execution.
            $typed_data = $state->fetchDataByPropertyPath($selector);
            // Things that can be saved must have a save() method, right?
            // Saving is always done at the root of the typed data tree, for example
            // on the entity level.
            $typed_data->getRoot()
                ->getValue()
                ->save();
        }
    }
    foreach ($this->getProvidedContextDefinitions() as $name => $definition) {
        $this->setProvidedValue($name, $state->getVariable($name));
    }
}