api/org.octavius.data.transaction/TransactionValue

TransactionValue

Represents a value in a transaction step. Enables passing both constant values and dynamic references to results of previous steps in the same transaction.

Parameters

The type of the value represented by this instance.

Inheritors

Value

FromStep

Transformed

Constructors

TransactionValue

protected constructor()

Types

FromStep

sealed class FromStep<T>(val handle: StepHandle<*>) : TransactionValue<T>

Reference to the result from a previous step. This class is the base for more specific reference types.

Transformed

class Transformed<IN, OUT>(val source: TransactionValue<IN>, val transform: (IN) -> OUT) : TransactionValue<OUT>

Result of transforming another value.

Value

data class Value<T>(val value: T) : TransactionValue<T>

Constant, predefined value.

Functions

map

fun <IN, OUT> TransactionValue<IN>.map(transformation: (IN) -> OUT): TransactionValue<OUT>

Applies a transformation to a TransactionValue, creating a new, transformed value. This function is type-safe.