UNPKG

arvo-event-handler

Version:

A complete set of orthogonal event handler and orchestration primitives for Arvo based applications, featuring declarative state machines (XState), imperative resumables for agentic workflows, contract-based routing, OpenTelemetry observability, and in-me

30 lines (29 loc) 1.28 kB
import type { ArvoEventHandlerOpenTelemetryOptions } from '../types'; import type { IMachineExectionEngine } from './interface'; import type { ExecuteMachineInput, ExecuteMachineOutput } from './types'; /** * Handles state machine execution, event processing, and lifecycle management. */ export declare class MachineExecutionEngine implements IMachineExectionEngine { /** * Executes a state machine and manages its lifecycle. * * @description * Handles machine initialization/resumption, event processing, and state transitions. * Manages event queues and volatile context during execution. * * @param params Configuration parameters: * - machine: State machine definition * - state: Optional existing state to resume from * - event: Event triggering the execution * @param opentelemetry Telemetry configuration for tracing * * @returns Object containing: * - state: Final machine state * - events: Generated events * - finalOutput: Machine output or null * * @throws Error on invalid initialization events or execution failures */ execute({ machine, state, event }: ExecuteMachineInput, opentelemetry?: ArvoEventHandlerOpenTelemetryOptions): ExecuteMachineOutput; }