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1 <?php
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2
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3 namespace Drupal\migrate\Plugin;
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4
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5 use Drupal\Core\Cache\CacheBackendInterface;
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6 use Drupal\Core\Extension\ModuleHandlerInterface;
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7 use Drupal\migrate\Plugin\Discovery\AnnotatedClassDiscoveryAutomatedProviders;
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8 use Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator;
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9 use Drupal\migrate\Plugin\Discovery\ProviderFilterDecorator;
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10
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11 /**
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12 * Plugin manager for migrate source plugins.
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13 *
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14 * @see \Drupal\migrate\Plugin\MigrateSourceInterface
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15 * @see \Drupal\migrate\Plugin\migrate\source\SourcePluginBase
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16 * @see \Drupal\migrate\Annotation\MigrateSource
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17 * @see plugin_api
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18 *
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19 * @ingroup migration
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20 */
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21 class MigrateSourcePluginManager extends MigratePluginManager {
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22
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23 /**
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24 * MigrateSourcePluginManager constructor.
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25 *
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26 * @param string $type
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27 * The type of the plugin: row, source, process, destination, entity_field,
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28 * id_map.
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29 * @param \Traversable $namespaces
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30 * An object that implements \Traversable which contains the root paths
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31 * keyed by the corresponding namespace to look for plugin implementations.
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32 * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
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33 * Cache backend instance to use.
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34 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
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35 * The module handler to invoke the alter hook with.
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36 */
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37 public function __construct($type, \Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
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38 parent::__construct($type, $namespaces, $cache_backend, $module_handler, 'Drupal\migrate\Annotation\MigrateSource');
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39 }
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40
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41 /**
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42 * {@inheritdoc}
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43 */
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44 protected function getDiscovery() {
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45 if (!$this->discovery) {
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46 $discovery = new AnnotatedClassDiscoveryAutomatedProviders($this->subdir, $this->namespaces, $this->pluginDefinitionAnnotationName, $this->additionalAnnotationNamespaces);
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47 $this->discovery = new ContainerDerivativeDiscoveryDecorator($discovery);
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48 }
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49 return $this->discovery;
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50 }
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51
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52 /**
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53 * Finds plugin definitions.
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54 *
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55 * @return array
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56 * List of definitions to store in cache.
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57 *
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58 * @todo This is a temporary solution to the fact that migration source
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59 * plugins have more than one provider. This functionality will be moved to
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60 * core in https://www.drupal.org/node/2786355.
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61 */
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62 protected function findDefinitions() {
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63 $definitions = $this->getDiscovery()->getDefinitions();
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64 foreach ($definitions as $plugin_id => &$definition) {
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65 $this->processDefinition($definition, $plugin_id);
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66 }
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67 $this->alterDefinitions($definitions);
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68 return ProviderFilterDecorator::filterDefinitions($definitions, function ($provider) {
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69 return $this->providerExists($provider);
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70 });
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71 }
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72
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73 }
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