protected function StateTransitionValidation::getTransitionFromStates in Workbench Moderation 8

Same name and namespace in other branches

1. 8.2 src/StateTransitionValidation.php \Drupal\workbench_moderation\StateTransitionValidation::getTransitionFromStates()

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

Parameters

string $from: The name of the "from" state.

string $to: The name of the "to" state.

Return value

\Drupal\workbench_moderation\Entity\ModerationStateTransition|null A transition object, or NULL if there is no such transition in the system.

1 call to StateTransitionValidation::getTransitionFromStates()

StateTransitionValidation::userMayTransition in src/StateTransitionValidation.php

Determines if a user is allowed to transition from one state to another.

1 method overrides StateTransitionValidation::getTransitionFromStates()

Validator::getTransitionFromStates in tests/src/Unit/StateTransitionValidationTest.php

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

File

src/StateTransitionValidation.php, line 199

Class

StateTransitionValidation

Validates whether a certain state transition is allowed.

Namespace

Drupal\workbench_moderation

Code

protected function getTransitionFromStates($from, $to) {
  $from = $this
    ->transitionStateQuery()
    ->condition('stateFrom', $from)
    ->condition('stateTo', $to)
    ->execute();
  $transitions = $this
    ->transitionStorage()
    ->loadMultiple($from);
  if ($transitions) {
    return current($transitions);
  }
  return NULL;
}