micro_utils.dokka/dev.inmo.micro_utils.transactions/doSuspendTransaction

doSuspendTransaction

suspend fun <T> doSuspendTransaction(onRollbackStepError: suspend (Throwable) -> Unit = { }, block: suspend TransactionsDSL.() -> T): Result<T>(source)

Starts transaction with opportunity to add actions rollableBackOperation. How to use:

doSuspendTransaction {
    println("start of action")

    withRollback({ // it - result of action
        // some rollback action
    }) {
        // Some action with rollback
    }

    withRollback({
         repository.delete(it) // it - result of createSomething, if it completes successfully
    }) {
         repository.createSomething()
    }

    withRollback({
        // will not be triggered due to error in action
    }) {
        error("It is just a simple error") // Will trigger rolling back previously successfully completed actions
    }
}

Parameters

onRollbackStepError

Will be called if rollback action throwing some error