abstract class Observer in Changed Fields API 8

Class Observer.

Hierarchy

• class \Drupal\changed_fields\Observer implements ObserverInterface

2 files declare their use of Observer

BasicUsageObserver.php in examples/changed_fields_basic_usage/src/BasicUsageObserver.php

Contains BasicUsageObserver.php.

ExtendedFieldComparatorObserver.php in examples/changed_fields_extended_field_comparator/src/ExtendedFieldComparatorObserver.php

Contains ExtendedFieldComparatorObserver.php.

File

src/Observer.php, line 13

Contains Observer.php.

Namespace

Drupal\changed_fields

abstract class Observer implements ObserverInterface {

  /**
   * @var string
   */
  private $id;

  /**
   * @param $id
   */
  public function __construct($id) {
    $this->id = $id;
  }

  /**
   * {@inheritdoc}
   */
  public abstract function update(SubjectInterface $nodeSubject);

  /**
   * {@inheritdoc}
   */
  public function getId() {
    return $this->id;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Observer::$id	private	property
Observer::getId	public	function	Method to get observer id. Overrides ObserverInterface::getId
Observer::update	abstract public	function	Update method with info about event. Overrides ObserverInterface::update	2
Observer::__construct	public	function