Interface Datastore.TransactionCallable<T> (2.4.0)

Version 2.4.0

• 2.24.3 (latest)
• 2.24.1
• 2.23.0
• 2.22.0
• 2.21.3
• 2.20.2
• 2.19.2
• 2.18.5
• 2.17.6

public static interface Datastore.TransactionCallable<T>

A callback for running with a transactional com.google.cloud.datastore.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.

Type Parameter

Name	Description
T

Methods

run(DatastoreReaderWriter readerWriter)

public abstract T run(DatastoreReaderWriter readerWriter)

Parameter

Name	Description
readerWriter	DatastoreReaderWriter

Returns

Type	Description
T

Exceptions

Type	Description
Exception