Same name and namespace in other branches

1. 11.x core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php \Drupal\Core\Config\Checkpoint\CheckpointStorage::getCheckpointsToReadFrom()

Gets the checkpoints to read from.

Return value

\Traversable<string, \Drupal\Core\Config\Checkpoint\Checkpoint> The checkpoints, keyed by ID.

4 calls to CheckpointStorage::getCheckpointsToReadFrom()

CheckpointStorage::exists in core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php

Returns whether a configuration object exists.

CheckpointStorage::getAllCollectionNames in core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php

Gets the existing collections.

CheckpointStorage::listAll in core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php

Gets configuration object names starting with a given prefix.

CheckpointStorage::readMultiple in core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php

Reads configuration data from the storage.

File

core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php, line 326

Class

CheckpointStorage

Provides a config storage that can make checkpoints.

Namespace

Drupal\Core\Config\Checkpoint

Code

private function getCheckpointsToReadFrom() : \Traversable {
  $checkpoint = $this->checkpoints
    ->getActiveCheckpoint();
  /** @var \Drupal\Core\Config\Checkpoint\Checkpoint[] $checkpoints_to_read_from */
  $checkpoints_to_read_from = [
    $checkpoint,
  ];
  if ($checkpoint->id !== $this->readFromCheckpoint?->id) {
    // Follow ancestors to find the checkpoint to start reading from.
    foreach ($this->checkpoints
      ->getParents($checkpoint->id) as $checkpoint) {
      array_unshift($checkpoints_to_read_from, $checkpoint);
      if ($checkpoint->id === $this->readFromCheckpoint?->id) {
        break;

      }
    }
  }
  // Replay in parent to child order.
  foreach ($checkpoints_to_read_from as $checkpoint) {
    (yield $checkpoint->id => $checkpoint);
  }
}

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