public function KeyValueStore::setIfNotExists in MongoDB 8.2

Saves a value for a given key if it does not exist yet.

Parameters

string $key: The key of the data to store.

mixed $value: The data to store.

Return value

bool TRUE if the data was set, FALSE if it already existed.

Overrides KeyValueStoreInterface::setIfNotExists

1 call to KeyValueStore::setIfNotExists()

KeyValueStore::rename in modules/mongodb_storage/src/KeyValueStore.php

Renames a key.

File

modules/mongodb_storage/src/KeyValueStore.php, line 222

Class

KeyValueStore

Class KeyValueStore provides a KeyValueStore as a MongoDB collection.

Namespace

Drupal\mongodb_storage

Code

public function setIfNotExists($key, $value) {
  $selector = [
    '_id' => $this
      ->stringifyKey($key),
  ];
  $replacement = $selector + [
    'value' => serialize($value),
  ];
  $options = [
    'upsert' => FALSE,
  ];
  $updateResult = $this->mongoDbCollection
    ->replaceOne($selector, $replacement, $options);
  $result = $updateResult
    ->getModifiedCount() ? TRUE : FALSE;
  return $result;
}