software.amazon.qldb

Interface Executor<R>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Executor<R>

A functional interface that contains all the code to be executed in a QLDB transaction and returns a value.

The transaction commits after the function finishes executing all statements and if no exception is thrown inside the function.

If an exception is thrown then the transaction will be aborted.

The function will receive a TransactionExecutor to execute PartiQL statements.

Method Summary

Modifier and Type	Method and Description
R	execute(TransactionExecutor executor) Executes the operation using the specified TransactionExecutor.

Method Detail

execute

R execute(TransactionExecutor executor)

Executes the operation using the specified TransactionExecutor.

Parameters:

executor - The executor to use in executing any statements against QLDB.

Returns:

The result of the execution.