Trait ExtensionEngine 

pub trait ExtensionEngine:
    Debug
    + Send
    + Sync
    + 'static {
    // Required methods
    fn family_id(&self) -> &'static str;
    fn engine_id(&self) -> &EngineId;
    fn context_identity(&self) -> ExecutionContextIdentity;
    fn prepare(
        &self,
        request: ExtensionPrepareRequest<'_>,
    ) -> Result<PrepareCapability, PrepareError>;
}

Preparation provider for one extension family.

Required Methods

fn family_id(&self) -> &'static str

Return the extension family id handled by this engine.

fn engine_id(&self) -> &EngineId

Return the runtime engine id used by this provider.

fn context_identity(&self) -> ExecutionContextIdentity

Return the execution-context type identity needed by this provider.

fn prepare( &self, request: ExtensionPrepareRequest<'_>, ) -> Result<PrepareCapability, PrepareError>

Prepare an extension operation.

Errors

Returns PrepareError when provider preparation fails.

Implementors