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<?php
namespace Drupal\migrate\Plugin;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator;
use Drupal\migrate\Attribute\MigrateSource;
use Drupal\migrate\Plugin\Discovery\AttributeDiscoveryWithAnnotationsAutomatedProviders;
use Drupal\migrate\Plugin\Discovery\ProviderFilterDecorator;
/**
* Plugin manager for migrate source plugins.
*
* @see \Drupal\migrate\Plugin\MigrateSourceInterface
* @see \Drupal\migrate\Plugin\migrate\source\SourcePluginBase
* @see \Drupal\migrate\Attribute\MigrateSource
* @see plugin_api
*
* @ingroup migration
*/
class MigrateSourcePluginManager extends MigratePluginManager {
/**
* MigrateSourcePluginManager constructor.
*
* @param string $type
* The type of the plugin: row, source, process, destination, entity_field,
* id_map.
* @param \Traversable $namespaces
* An object that implements \Traversable which contains the root paths
* keyed by the corresponding namespace to look for plugin implementations.
* @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
* Cache backend instance to use.
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler to invoke the alter hook with.
*/
public function __construct($type, \Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
parent::__construct($type, $namespaces, $cache_backend, $module_handler, MigrateSource::class, 'Drupal\migrate\Annotation\MigrateSource');
}
/**
* {@inheritdoc}
*/
protected function getDiscovery() {
if (!$this->discovery) {
$discovery = new AttributeDiscoveryWithAnnotationsAutomatedProviders(
$this->subdir,
$this->namespaces,
$this->pluginDefinitionAttributeName,
$this->pluginDefinitionAnnotationName,
$this->additionalAnnotationNamespaces,
);
$this->discovery = new ContainerDerivativeDiscoveryDecorator($discovery);
}
return $this->discovery;
}
/**
* Finds plugin definitions.
*
* @return array
* List of definitions to store in cache.
*
* @todo This is a temporary solution to the fact that migration source
* plugins have more than one provider. This functionality will be moved to
* core in https://www.drupal.org/node/2786355.
*/
protected function findDefinitions() {
$definitions = $this->getDiscovery()->getDefinitions();
foreach ($definitions as $plugin_id => &$definition) {
$this->processDefinition($definition, $plugin_id);
}
$this->alterDefinitions($definitions);
return ProviderFilterDecorator::filterDefinitions($definitions, function ($provider) {
return $this->providerExists($provider);
});
}
}
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