StateTransitionValidation::getTransitionFromStates

protected StateTransitionValidation::getTransitionFromStates(ModerationStateInterface $from, ModerationStateInterface $to)

Returns the transition object that transitions from one state to another.

Parameters

\Drupal\content_moderation\ModerationStateInterface $from: The origin state.

\Drupal\content_moderation\ModerationStateInterface $to: The destination state.

Return value

ModerationStateTransition|null A transition object, or NULL if there is no such transition.

File

core/modules/content_moderation/src/StateTransitionValidation.php, line 177

Class

StateTransitionValidation
Validates whether a certain state transition is allowed.

Namespace

Drupal\content_moderation

Code

protected function getTransitionFromStates(ModerationStateInterface $from, ModerationStateInterface $to) {
  $from = $this->transitionStateQuery()
    ->condition('stateFrom', $from->id())
    ->condition('stateTo', $to->id())
    ->execute();

  $transitions = $this->transitionStorage()->loadMultiple($from);

  if ($transitions) {
    return current($transitions);
  }
  return NULL;
}
doc_Drupal
2016-10-29 09:44:17
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