NodeIsSticky.php

<?php

namespace Drupal\rules\Plugin\Condition;

use Drupal\node\NodeInterface;
use Drupal\rules\Core\RulesConditionBase;

/**
 * Provides a 'Node is sticky' condition.
 *
 * @todo Add access callback information from Drupal 7.
 *
 * @Condition(
 *   id = "rules_node_is_sticky",
 *   label = @Translation("Node is sticky"),
 *   category = @Translation("Content"),
 *   context_definitions = {
 *     "node" = @ContextDefinition("entity:node",
 *       label = @Translation("Node"),
 *       description = @Translation("Specifies the node for which to evaluate the condition."),
 *       assignment_restriction = "selector"
 *     ),
 *   }
 * )
 */
class NodeIsSticky extends RulesConditionBase {
    
    /**
     * Check if the given node is sticky.
     *
     * @param \Drupal\node\NodeInterface $node
     *   The node to check.
     *
     * @return bool
     *   TRUE if the node is sticky.
     */
    protected function doEvaluate(NodeInterface $node) {
        return $node->isSticky();
    }

}