sdk-common/dev.restate.sdk.common.syscalls/Result

Result

abstract class Result<T>

Result can be 3 valued:

Empty
Value
Failure

Empty and Value are used to distinguish the logical empty with the null result.

Failure in a ready result is always a user failure, and never a syscall failure, as opposed to onCancel.

Parameters

<T>

result type

Functions

open fun <T> empty(): Result<T>

open fun <T> failure(t: TerminalException): Result<T>

@Nullable

abstract fun getFailure(): @Nullable TerminalException

@Nullable

abstract fun getValue(): @Nullable T

abstract fun isEmpty(): Boolean

abstract fun isSuccess(): Boolean

open fun <U> mapSuccess(mapper: (T) -> U): Result<U>

Map this result success value.

open fun <T> success(value: T): Result<T>