Interface DittoTransactionFunction<T>

Type Parameters:

T - the type of value returned upon successful transaction commit.

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 DittoTransactionFunction<T>

A functional interface for executing operations within a database transaction.

This interface defines a callback that receives a DittoTransaction and performs database operations within it. The callback returns a DittoTransaction.Result indicating whether to commit or rollback the transaction.

This is a functional interface whose functional method is onTransaction(DittoTransaction), making it suitable for lambda expressions and method references.

See Also:

• DittoTransaction
• DittoTransaction.Result
• DittoStore.transaction(DittoTransactionFunction)

Method Summary

Modifier and Type	Method	Description
@NonNull CompletionStage<DittoTransaction.Result<T>>	onTransaction(@NonNull DittoTransaction transaction)	Executes operations within the provided transaction.

Method Details

onTransaction

@NonNull CompletionStage<DittoTransaction.Result<T>> onTransaction(@NonNull DittoTransaction transaction)

Executes operations within the provided transaction.

Implement this method to perform database operations within the transaction context. Return a DittoTransaction.Result.Commit to persist changes or a DittoTransaction.Result.Rollback to discard them.

Parameters:

transaction - the DittoTransaction to execute operations within.

Returns:

a CompletionStage that completes with a DittoTransaction.Result indicating whether to commit or rollback.