class EntityFieldNullCompareType in Entity Field Condition 2.0.x

Define the entity field NULL compare type plugin.

Plugin annotation

@EntityFieldCompareType(
  id = "entity_field_null_compare",
  label = @Translation("IS NULL")
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\entity_field_condition\Plugin\EntityFieldCondition\CompareType\EntityFieldCompareTypePluginBase implements EntityFieldCompareTypeInterface
      • class \Drupal\entity_field_condition\Plugin\EntityFieldCondition\CompareType\EntityFieldNullCompareType

File

src/Plugin/EntityFieldCondition/CompareType/EntityFieldNullCompareType.php, line 18

Namespace

Drupal\entity_field_condition\Plugin\EntityFieldCondition\CompareType

class EntityFieldNullCompareType extends EntityFieldCompareTypePluginBase {

  /**
   * {@inheritDoc}
   */
  public function evaluate(ContentEntityInterface $entity, string $field_name) : bool {
    if (!$entity
      ->hasField($field_name)) {
      return FALSE;
    }
    return $entity
      ->get($field_name)->value === NULL;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
EntityFieldCompareTypePluginBase::$entityFieldManager	protected	property	Entity field manager.
EntityFieldCompareTypePluginBase::buildConfigurationForm	public	function	Form constructor. Overrides PluginFormInterface::buildConfigurationForm	1
EntityFieldCompareTypePluginBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
EntityFieldCompareTypePluginBase::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides ConfigurableInterface::defaultConfiguration	1
EntityFieldCompareTypePluginBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
EntityFieldCompareTypePluginBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
EntityFieldCompareTypePluginBase::submitConfigurationForm	public	function	Form submission handler. Overrides PluginFormInterface::submitConfigurationForm
EntityFieldCompareTypePluginBase::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
EntityFieldCompareTypePluginBase::__construct	public	function	The compare type plugin base constructor. Overrides PluginBase::__construct
EntityFieldNullCompareType::evaluate	public	function	Evaluate the entity field value. Overrides EntityFieldCompareTypeInterface::evaluate
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.