com.google.cloud.spanner

Interface AsyncTransactionManager.TransactionContextFuture

All Superinterfaces:

com.google.api.core.ApiFuture<TransactionContext>, Future<TransactionContext>

Enclosing interface:

AsyncTransactionManager

public static interface AsyncTransactionManager.TransactionContextFuture
extends com.google.api.core.ApiFuture<TransactionContext>

ApiFuture that returns a TransactionContext and that supports chaining of multiple AsyncTransactionManager.TransactionContextFutures to form a transaction.

Method Summary

Modifier and Type	Method and Description
<O> AsyncTransactionManager.AsyncTransactionStep<Void,O>	then(AsyncTransactionManager.AsyncTransactionFunction<Void,O> function, Executor executor) Sets the first step to execute as part of this transaction after the transaction has started using the specified executor.

Methods inherited from interface com.google.api.core.ApiFuture

addListener

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Method Detail

then

<O> AsyncTransactionManager.AsyncTransactionStep<Void,O> then(AsyncTransactionManager.AsyncTransactionFunction<Void,O> function,
                                                              Executor executor)

Sets the first step to execute as part of this transaction after the transaction has started using the specified executor. MoreExecutors.directExecutor() can be be used for lightweight functions, but should be avoided for heavy or blocking operations. See also ListenableFuture.addListener(Runnable, Executor) for further information.