aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Component/Plugin/Derivative/DeriverBase.php

   1 <?php
   2
   3 namespace Drupal\Component\Plugin\Derivative;
   4
   5 /**
   6  * Provides a basic deriver.
   7  */
   8 abstract class DeriverBase implements DeriverInterface {
   9
  10   /**
  11    * List of derivative definitions.
  12    *
  13    * @var array
  14    */
  15   protected $derivatives = [];
  16
  17   /**
  18    * {@inheritdoc}
  19    */
  20   public function getDerivativeDefinition($derivative_id, $base_plugin_definition) {
  21     if (!empty($this->derivatives) && !empty($this->derivatives[$derivative_id])) {
  22       return $this->derivatives[$derivative_id];
  23     }
  24     $this->getDerivativeDefinitions($base_plugin_definition);
  25     return $this->derivatives[$derivative_id];
  26   }
  27
  28   /**
  29    * {@inheritdoc}
  30    */
  31   public function getDerivativeDefinitions($base_plugin_definition) {
  32     return $this->derivatives;
  33   }
  34
  35 }