botframework-streaming
Version:
Streaming library for the Microsoft Bot Framework
84 lines • 3.22 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RequestManager = void 0;
/**
* A streaming pending request.
*/
class PendingRequest {
}
/**
* Orchestrates and manages pending streaming requests.
*/
class RequestManager {
constructor() {
this._pendingRequests = {};
}
/**
* Gets the count of the pending requests.
*
* @returns Number with the pending requests count.
*/
pendingRequestCount() {
return Object.keys(this._pendingRequests).length;
}
/**
* Signal fired when all response tasks have completed.
*
* @param requestId The ID of the StreamingRequest.
* @param response The [IReceiveResponse](xref:botframework-streaming.IReceiveResponse) in response to the request.
* @returns A Promise that when completed returns `true` if the `requestId`'s pending response task was completed, otherwise `false`.
*/
signalResponse(requestId, response) {
return __awaiter(this, void 0, void 0, function* () {
const pendingRequest = this._pendingRequests[requestId];
if (pendingRequest) {
pendingRequest.resolve(response);
delete this._pendingRequests[requestId];
return true;
}
return false;
});
}
/**
* Constructs and returns a response for this request.
*
* @param requestId The ID of the StreamingRequest being responded to.
* @returns The response to the specified request.
*/
getResponse(requestId) {
let pendingRequest = this._pendingRequests[requestId];
if (pendingRequest) {
return Promise.reject(`requestId '${requestId}' already exists in RequestManager`);
}
pendingRequest = new PendingRequest();
pendingRequest.requestId = requestId;
const promise = new Promise((resolve, reject) => {
pendingRequest.resolve = resolve;
pendingRequest.reject = reject;
});
this._pendingRequests[requestId] = pendingRequest;
return promise;
}
/**
* Rejects all requests pending a response.
*
* @param reason The reason for rejection.
*/
rejectAllResponses(reason) {
Object.entries(this._pendingRequests).forEach(([requestId, { reject }]) => {
reject(reason);
delete this._pendingRequests[requestId];
});
}
}
exports.RequestManager = RequestManager;
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