runTransaction method
Future<TransactionResult>
runTransaction(
- TransactionHandler transactionHandler, {
- Duration timeout = const Duration(seconds: 5),
Performs an optimistic-concurrency transactional update to the data at this Firebase Database location.
Implementation
Future<TransactionResult> runTransaction(
TransactionHandler transactionHandler, {
Duration timeout = const Duration(seconds: 5),
}) async {
TransactionResultPlatform transactionResult =
await _databaseReferencePlatform.runTransaction(
transactionHandler,
timeout: timeout,
);
return TransactionResult._(
transactionResult.error == null
? null
: DatabaseError._(transactionResult.error!),
transactionResult.committed,
DataSnapshot._(transactionResult.dataSnapshot),
);
}