commonMain.com.squareup.workflow1.RuntimeConfig.kt Maven / Gradle / Ivy
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package com.squareup.workflow1
import kotlin.RequiresOptIn.Level.ERROR
import kotlin.annotation.AnnotationRetention.BINARY
/**
* This is used to mark any experimental runtimes.
*/
@Target(
AnnotationTarget.CLASS,
AnnotationTarget.PROPERTY,
AnnotationTarget.FUNCTION,
AnnotationTarget.TYPEALIAS
)
@MustBeDocumented
@Retention(value = BINARY)
@RequiresOptIn(level = ERROR)
public annotation class WorkflowExperimentalRuntime
public typealias RuntimeConfig = Set
/**
* A specification of the possible Workflow Runtime options.
*/
public enum class RuntimeConfigOptions {
/**
* If state has not changed from an action cascade (as determined via `equals()`),
* do not re-render. For example, when this is selected and `noAction()` is enqueued,
* the current `render()` pass will short circuit and no rendering will be posted
* through the `StateFlow` returned from `renderWorkflowIn()`.
*
* This has been mostly proven out. However, be careful if you have any non-Workflow
* code you integrate with that depends on the Workflow tree re-rendering to pick up
* changes from its equivalent 'view model.' You should change some kind of Workflow
* state when updating that external code if you want Workflow to pick up the change
* and render again.
*/
@WorkflowExperimentalRuntime
RENDER_ONLY_WHEN_STATE_CHANGES,
/**
* If we have more actions to process, do so before passing the rendering to the UI layer.
*/
@WorkflowExperimentalRuntime
CONFLATE_STALE_RENDERINGS;
public companion object {
/**
* Baseline configuration where we render for each action and always pass the rendering to
* the view layer.
*/
public val RENDER_PER_ACTION: RuntimeConfig = emptySet()
public val DEFAULT_CONFIG: RuntimeConfig = RENDER_PER_ACTION
}
}