dt-common-device
Version:
A secure and robust device management library for IoT applications
142 lines (141 loc) • 6.82 kB
JavaScript
;
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
var __setFunctionName = (this && this.__setFunctionName) || function (f, name, prefix) {
if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventHandlerOrchestrator = void 0;
const typedi_1 = require("typedi");
const config_1 = require("../config/config");
let EventHandlerOrchestrator = (() => {
let _classDecorators = [(0, typedi_1.Service)()];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
var EventHandlerOrchestrator = _classThis = class {
constructor() {
this.handlers = [];
this.logger = (0, config_1.getConfig)().LOGGER;
}
/**
* Register a handler with the orchestrator
*/
registerHandler(handler) {
this.handlers.push(handler);
// Sort handlers by priority (lower numbers = higher priority)
this.handlers.sort((a, b) => a.getPriority() - b.getPriority());
this.logger.info(`Registered handler: ${handler.constructor.name} with priority ${handler.getPriority()}`);
}
/**
* Register multiple handlers
*/
registerHandlers(handlers) {
handlers.forEach((handler) => this.registerHandler(handler));
}
/**
* Process a single event through the handler hierarchy
*/
async processEvent(event) {
try {
this.logger.info(`Processing event: ${event.eventName} for device: ${event.deviceId}`);
const applicableHandlers = this.handlers.filter((handler) => handler.canHandle(event.eventName));
if (applicableHandlers.length === 0) {
this.logger.warn(`No handlers found for event type: ${event.eventName}`);
return;
}
this.logger.info(`Found ${applicableHandlers.length} handlers for event: ${event.eventName}`);
// Process with each applicable handler in priority order
for (const handler of applicableHandlers) {
try {
await handler.handleEvent(event);
this.logger.info(`Event processed by: ${handler.constructor.name}`);
}
catch (error) {
this.logger.error(`Error in handler ${handler.constructor.name}:`, error);
// Continue with other handlers even if one fails
}
}
}
catch (error) {
this.logger.error("Error in EventHandlerOrchestrator.processEvent:", error);
}
}
/**
* Process multiple events
*/
async processEvents(events) {
try {
this.logger.info(`Processing ${events.length} events`);
for (const event of events) {
await this.processEvent(event);
}
}
catch (error) {
this.logger.error("Error in EventHandlerOrchestrator.processEvents:", error);
}
}
/**
* Get all registered handlers
*/
getHandlers() {
return [...this.handlers];
}
/**
* Get handlers that can handle a specific event type
*/
getHandlersForEventType(eventType) {
return this.handlers.filter((handler) => handler.canHandle(eventType));
}
/**
* Clear all registered handlers
*/
clearHandlers() {
this.handlers = [];
this.logger.info("All handlers cleared");
}
};
__setFunctionName(_classThis, "EventHandlerOrchestrator");
(() => {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(null) : void 0;
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
EventHandlerOrchestrator = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
})();
return EventHandlerOrchestrator = _classThis;
})();
exports.EventHandlerOrchestrator = EventHandlerOrchestrator;