DriverChain.php 1.1KB

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  1. <?php
  2. /*
  3. * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
  4. *
  5. * Licensed under the Apache License, Version 2.0 (the "License");
  6. * you may not use this file except in compliance with the License.
  7. * You may obtain a copy of the License at
  8. *
  9. * http://www.apache.org/licenses/LICENSE-2.0
  10. *
  11. * Unless required by applicable law or agreed to in writing, software
  12. * distributed under the License is distributed on an "AS IS" BASIS,
  13. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. * See the License for the specific language governing permissions and
  15. * limitations under the License.
  16. */
  17. namespace Metadata\Driver;
  18. final class DriverChain implements DriverInterface
  19. {
  20. private $drivers;
  21. public function __construct(array $drivers)
  22. {
  23. $this->drivers = $drivers;
  24. }
  25. public function loadMetadataForClass(\ReflectionClass $class)
  26. {
  27. foreach ($this->drivers as $driver) {
  28. if (null !== $metadata = $driver->loadMetadataForClass($class)) {
  29. return $metadata;
  30. }
  31. }
  32. return null;
  33. }
  34. }