@nestjstools/messaging/lib/handler/message-handler.registry.js

Simplifies asynchronous and synchronous message handling with support for buses, handlers, channels, and consumers. Build scalable, decoupled applications with ease and reliability.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MessageHandlerRegistry = void 0;
const handler_for_message_not_found_exception_1 = require("../exception/handler-for-message-not-found.exception");
class MessageHandlerRegistry {
    constructor() {
        this.registry = new Map();
    }
    register(names, handler) {
        names.forEach((name) => {
            this.registerSingle(name, handler);
        });
    }
    registerSingle(name, handler) {
        if (this.registry.has(name)) {
            const bucket = this.registry.get(name);
            if (bucket.includes(handler)) {
                return;
            }
            this.registry.get(name).push(handler);
            return;
        }
        this.registry.set(name, [handler]);
    }
    getByRoutingKey(routingKey) {
        if (!this.registry.has(routingKey)) {
            throw new handler_for_message_not_found_exception_1.HandlerForMessageNotFoundException(routingKey);
        }
        return this.registry.get(routingKey);
    }
}
exports.MessageHandlerRegistry = MessageHandlerRegistry;
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