public function PartyDataBase::getEntityDelta in Party 8.2

Get the delta from an entity object.

Parameters

$entity: The entity object we want to find the delta for.

Return value

int|FALSE The delta of $entity, or FALSE if it isn't attached.

2 calls to PartyDataBase::getEntityDelta()

PartyDataBase::attachEntity in lib/Drupal/party/Plugin/PartyDataBase.php

Attach an entity to the party

PartyDataBase::detachEntity in lib/Drupal/party/Plugin/PartyDataBase.php

Detach an entity

File

lib/Drupal/party/Plugin/PartyDataBase.php, line 149

Contains \Drupal\party\Plugin\PartyDataBase.

Class

PartyDataBase

Class PartyDataBase

Namespace

Drupal\party\Plugin

Code

public function getEntityDelta($entity) {

  // If $entity is saved, we can just compare entity ids.
  if ($entity
    ->isNew()) {

    // Flip our entity ids so it's delta keyed by id.
    $deltas = array_flip($this
      ->getEntityIds());
    if (isset($deltas[$entity
      ->id()])) {
      return $deltas[$entity
        ->id()];
    }
  }
  else {
    foreach ($this->entities as $delta => $row) {
      if ($entity === $row) {
        return $delta;
      }
    }
  }

  // If we've got here, we can't find it.
  return FALSE;
}