Datastore.TransactionCallable (Google Cloud Datastore Parent 2.17.1 API)

Type Parameters:

T - the type of the return value

Enclosing interface:

Datastore
```
public static interface Datastore.TransactionCallable<T>
```
A callback for running with a transactional DatastoreReaderWriter. The associated transaction will be committed after a successful return from the run method. Any propagated exception will cause the transaction to be rolled-back.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  T run(DatastoreReaderWriter readerWriter)

Method Detail

run

T run(DatastoreReaderWriter readerWriter)
throws Exception

Throws:: Exception