openBox<V> method

@override Future<CollectionBox<V>> openBox<V>(String name, { bool preload = false, CollectionBox<V> boxCreator(String, BoxCollection)?, })

Implementation

@override
Future<CollectionBox<V>> openBox<V>(String name,
    {bool preload = false,
    implementation.CollectionBox<V> Function(String, BoxCollection)?
        boxCreator}) async {
  if (!boxNames.contains(name) && name != 'bad_keys') {
    throw Exception('Box with name $name is not in the known'
        'box names of this collection.');
  }
  final i = _openBoxes.indexWhere((box) => box.name == name);
  if (i != -1) {
    return _openBoxes[i] as CollectionBox<V>;
  }
  final boxIdentifier = name;
  final box = boxCreator?.call(boxIdentifier, this) as CollectionBox<V>? ??
      CollectionBox<V>(boxIdentifier, this);
  if (preload) {
    final hive = Hive as HiveImpl;
    box._cachedBox = hive.isBoxOpen(box.name, this.name)
        ? hive.lazyBox(box.name, this.name)
        : await hive.openBox(
            box.name,
            encryptionCipher: _cipher,
            collection: this.name,
            backend: _backends[name]!,
          );
  }
  _openBoxes.add(box);
  return box;
}