pubsub-tool
Version:
Producer and Consumer Tool for every streaming component
139 lines (138 loc) • 6.58 kB
JavaScript
;
/**
* 專案名稱： PubSub Tool
* 部門代號： ML8100
* 檔案說明： Confluent Avro資料解析策略
* @CREATE Wed Jan 13 2021 下午2:06:36
* @author Steve Y Lin
* @contact Steve_Y_Lin@wistron.com #1342
* -----------------------------------------------------------------------------
* @NOTE
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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_.trys.pop(); continue;
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op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConfluentPubResolveStrategy = void 0;
var producer_resolve_strategy_1 = require("./producer-resolve.strategy");
/**
* Kafka2.0 Producer資料解析策略
*/
var ConfluentPubResolveStrategy = /** @class */ (function (_super) {
__extends(ConfluentPubResolveStrategy, _super);
/**
* @param schemaRegistry Schema Registry
* @param avroResolver Avro解析策略
* @param destination 發送資料的目的地
*/
function ConfluentPubResolveStrategy(schemaRegistry, avroResolver, destination) {
var _this = _super.call(this, destination) || this;
_this.schemaRegistry = schemaRegistry;
_this.avroResolver = avroResolver;
_this.destination = destination;
return _this;
}
/**
* 進行Avro編碼
*
* @method private
* @param message 要編碼的數據
* @return 回傳編碼結果
*/
ConfluentPubResolveStrategy.prototype.encoded = function (message) {
return __awaiter(this, void 0, void 0, function () {
var schemaRegistry, result, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
schemaRegistry = this.schemaRegistry;
return [4 /*yield*/, this.avroResolver.toAvro(schemaRegistry, this.destination, message)];
case 1:
result = _a.sent();
return [2 /*return*/, result];
case 2:
error_1 = _a.sent();
console.error(error_1);
return [2 /*return*/, error_1];
case 3: return [2 /*return*/];
}
});
});
};
/**
* 解析資料
*
* @method public
* @param input 解析前的資料
* @return 回傳解析後的資料
*/
ConfluentPubResolveStrategy.prototype.resolve = function (input) {
return __awaiter(this, void 0, void 0, function () {
var avroMessage, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, this.encoded(input)];
case 1:
avroMessage = _a.sent();
return [2 /*return*/, avroMessage];
case 2:
error_2 = _a.sent();
console.error(error_2);
return [2 /*return*/, error_2];
case 3: return [2 /*return*/];
}
});
});
};
return ConfluentPubResolveStrategy;
}(producer_resolve_strategy_1.ProducerResolveStrategy));
exports.ConfluentPubResolveStrategy = ConfluentPubResolveStrategy;