micro_utils.dokka/dev.inmo.micro_utils.transactions

Package-level declarations

Types

Context provided to rollback actions, containing both the successful result of the action and the error that triggered the rollback.

TransactionDSLRollbackLambda

typealias TransactionDSLRollbackLambda = suspend (Throwable) -> Unit

Type alias for a suspending rollback lambda that receives the error that triggered the rollback.

TransactionsDSL

class TransactionsDSL

DSL context for defining transactional operations with automatic rollback on failure. This class manages a list of rollback actions that will be executed in reverse order if an error occurs.

Functions

doSuspendTransaction

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

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

rollableBackOperation

suspend fun <T> TransactionsDSL.rollableBackOperation(rollback: suspend RollbackContext<T>.() -> Unit, action: suspend () -> T): T

Calls action and, if it succeeded - saving rollback action for future usage for cases when some other action or even main one throwing an error