class GeocoderManager extends DefaultPluginManager {

  /**
   * Constructs an GeocoderManager object.
   *
   * @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(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
    parent::__construct('Plugin/geolocation/Geocoder', $namespaces, $module_handler, 'Drupal\\geolocation\\GeocoderInterface', 'Drupal\\geolocation\\Annotation\\Geocoder');
    $this
      ->alterInfo('geolocation_geocoder_info');
    $this
      ->setCacheBackend($cache_backend, 'geolocation_geocoder');
  }

  /**
   * Return Geocoder by ID.
   *
   * @param string $id
   *   Geocoder ID.
   * @param array $configuration
   *   Configuration.
   *
   * @return \Drupal\geolocation\GeocoderInterface|false
   *   Geocoder instance.
   */
  public function getGeocoder($id, array $configuration = []) {
    if (!$this
      ->hasDefinition($id)) {
      return FALSE;
    }
    try {

      /** @var \Drupal\geolocation\GeocoderInterface $instance */
      $instance = $this
        ->createInstance($id, $configuration);
      if ($instance) {
        return $instance;
      }
    } catch (\Exception $e) {
      return FALSE;
    }
    return FALSE;
  }

  /**
   * Return settings array for geocoder after select change.
   *
   * @param array $form
   *   Form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   Current From State.
   *
   * @return array|false
   *   Settings form.
   */
  public static function addGeocoderSettingsFormAjax(array $form, FormStateInterface $form_state) {
    $triggering_element_parents = $form_state
      ->getTriggeringElement()['#array_parents'];
    $settings_element_parents = $triggering_element_parents;
    array_pop($settings_element_parents);
    $settings_element_parents[] = 'settings';
    return NestedArray::getValue($form, $settings_element_parents);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DefaultPluginManager::$additionalAnnotationNamespaces	protected	property	Additional namespaces the annotation discovery mechanism should scan for annotation definitions.
DefaultPluginManager::$alterHook	protected	property	Name of the alter hook if one should be invoked.
DefaultPluginManager::$cacheKey	protected	property	The cache key.
DefaultPluginManager::$cacheTags	protected	property	An array of cache tags to use for the cached definitions.
DefaultPluginManager::$defaults	protected	property	A set of defaults to be referenced by $this->processDefinition() if additional processing of plugins is necessary or helpful for development purposes.	9
DefaultPluginManager::$moduleHandler	protected	property	The module handler to invoke the alter hook.	1
DefaultPluginManager::$namespaces	protected	property	An object that implements \Traversable which contains the root paths keyed by the corresponding namespace to look for plugin implementations.
DefaultPluginManager::$pluginDefinitionAnnotationName	protected	property	The name of the annotation that contains the plugin definition.
DefaultPluginManager::$pluginInterface	protected	property	The interface each plugin should implement.	1
DefaultPluginManager::$subdir	protected	property	The subdirectory within a namespace to look for plugins, or FALSE if the plugins are in the top level of the namespace.
DefaultPluginManager::alterDefinitions	protected	function	Invokes the hook to alter the definitions if the alter hook is set.	1
DefaultPluginManager::alterInfo	protected	function	Sets the alter hook name.
DefaultPluginManager::clearCachedDefinitions	public	function	Clears static and persistent plugin definition caches. Overrides CachedDiscoveryInterface::clearCachedDefinitions	5
DefaultPluginManager::extractProviderFromDefinition	protected	function	Extracts the provider from a plugin definition.
DefaultPluginManager::findDefinitions	protected	function	Finds plugin definitions.	7
DefaultPluginManager::fixContextAwareDefinitions	private	function	Fix the definitions of context-aware plugins.
DefaultPluginManager::getCacheContexts	public	function	The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
DefaultPluginManager::getCachedDefinitions	protected	function	Returns the cached plugin definitions of the decorated discovery class.
DefaultPluginManager::getCacheMaxAge	public	function	The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
DefaultPluginManager::getCacheTags	public	function	The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
DefaultPluginManager::getDefinitions	public	function	Gets the definition of all plugins for this type. Overrides DiscoveryTrait::getDefinitions	2
DefaultPluginManager::getDiscovery	protected	function	Gets the plugin discovery. Overrides PluginManagerBase::getDiscovery	12
DefaultPluginManager::getFactory	protected	function	Gets the plugin factory. Overrides PluginManagerBase::getFactory
DefaultPluginManager::processDefinition	public	function	Performs extra processing on plugin definitions.	13
DefaultPluginManager::providerExists	protected	function	Determines if the provider of a definition exists.	3
DefaultPluginManager::setCacheBackend	public	function	Initialize the cache backend.
DefaultPluginManager::setCachedDefinitions	protected	function	Sets a cache of plugin definitions for the decorated discovery class.
DefaultPluginManager::useCaches	public	function	Disable the use of caches. Overrides CachedDiscoveryInterface::useCaches	1
DiscoveryCachedTrait::$definitions	protected	property	Cached definitions array.	1
DiscoveryCachedTrait::getDefinition	public	function	Overrides DiscoveryTrait::getDefinition	3
DiscoveryTrait::doGetDefinition	protected	function	Gets a specific plugin definition.
DiscoveryTrait::hasDefinition	public	function
GeocoderManager::addGeocoderSettingsFormAjax	public static	function	Return settings array for geocoder after select change.
GeocoderManager::getGeocoder	public	function	Return Geocoder by ID.
GeocoderManager::__construct	public	function	Constructs an GeocoderManager object. Overrides DefaultPluginManager::__construct
PluginManagerBase::$discovery	protected	property	The object that discovers plugins managed by this manager.
PluginManagerBase::$factory	protected	property	The object that instantiates plugins managed by this manager.
PluginManagerBase::$mapper	protected	property	The object that returns the preconfigured plugin instance appropriate for a particular runtime condition.
PluginManagerBase::createInstance	public	function	Creates a pre-configured instance of a plugin. Overrides FactoryInterface::createInstance	12
PluginManagerBase::getInstance	public	function	Gets a preconfigured instance of a plugin. Overrides MapperInterface::getInstance	7
PluginManagerBase::handlePluginNotFound	protected	function	Allows plugin managers to specify custom behavior if a plugin is not found.	1
UseCacheBackendTrait::$cacheBackend	protected	property	Cache backend instance.
UseCacheBackendTrait::$useCaches	protected	property	Flag whether caches should be used or skipped.
UseCacheBackendTrait::cacheGet	protected	function	Fetches from the cache backend, respecting the use caches flag.	1
UseCacheBackendTrait::cacheSet	protected	function	Stores data in the persistent cache, respecting the use caches flag.

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class GeocoderManager in Geolocation Field 8.2

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