Struct BackendFactory 

pub struct BackendFactory { /* private fields */ }

Registry of named backend constructors with caching.

Implementations

impl BackendFactory

pub fn new() -> Self

Create an empty backend factory.

pub fn register(&mut self, name: &'static str, ctor: BackendCtor)

Register a named backend constructor.

pub fn create_any( &mut self, name: &str, params: &HashMap<String, ParamValue>, ) -> Result<BackendParts, String>

Create a backend returning whatever capabilities it provides. Use this when the graph determines what’s needed (launch path).

pub fn create_output( &mut self, name: &str, params: &HashMap<String, ParamValue>, ) -> Result<OutputBundle, String>

Create an output-only backend.

pub fn create_input( &mut self, name: &str, params: &HashMap<String, ParamValue>, ) -> Result<InputBundle, String>

Create an input-only backend.

pub fn create_duplex( &mut self, name: &str, params: &HashMap<String, ParamValue>, ) -> Result<DuplexBundle, String>

Create a full-duplex backend.

pub fn contains(&self, name: &str) -> bool

Returns true if a backend with the given name is registered.

Trait Implementations

impl Clone for BackendFactory

fn clone(&self) -> BackendFactory

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for BackendFactory

fn default() -> Self

Returns the “default value” for a type.