Struct WorkflowVersionRegistry 

pub struct WorkflowVersionRegistry { /* private fields */ }

Registry that tracks all known workflow versions and the migrations between them.

Implementations

impl WorkflowVersionRegistry

pub fn new() -> Self

Create an empty registry.

pub fn register(&mut self, version: WorkflowVersion)

Register a known version.

pub fn add_migration(&mut self, migration: VersionMigration)

Add a migration between two registered versions.

pub fn latest(&self) -> Option<&WorkflowVersion>

Return the highest registered version, or None if empty.

pub fn migrate( &self, from: &WorkflowVersion, to: &WorkflowVersion, ) -> Option<&VersionMigration>

Retrieve the migration from from to to, if registered.

pub fn all_versions(&self) -> &[WorkflowVersion]

All registered versions, sorted ascending.

pub fn all_migrations(&self) -> Vec<&VersionMigration>

All registered migrations.

pub fn version_count(&self) -> usize

Number of registered versions.

Trait Implementations

impl Debug for WorkflowVersionRegistry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WorkflowVersionRegistry

fn default() -> WorkflowVersionRegistry

Returns the “default value” for a type.