RestResourceDerivativeDecorator

RestResourceDerivativeDecorator.php

<?php

class RestResourceDerivativeDecorator extends DerivativeDiscoveryDecorator {
  
  public function __construct(DiscoveryInterface $decorated, RouteCollection $collection) {
    parent::__construct($decorated);
    $this->collection = $collection;
  }
  
  protected function getDerivativeFetcher($base_plugin_id, $base_definition) {
    if (!isset($this->derivativeFetchers[$base_plugin_id])) {
      $this->derivativeFetchers[$base_plugin_id] = FALSE;
      $class = $this->getDerivativeClass($base_definition);
      if ($class) {
        $this->derivativeFetchers[$base_plugin_id] = new $class($base_plugin_id, $this->collection);
      }
    }
    return $this->derivativeFetchers[$base_plugin_id] ?: NULL;
  }
  
}