pg-transactional-outbox
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A PostgreSQL based transactional outbox and inbox pattern implementation to support exactly once message processing (with at least once message delivery).
31 lines • 1.5 kB
JavaScript
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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.createReplicationFullConcurrencyController = void 0;
/**
* This controller allows full concurrency without any locking mechanism
* @returns The controller with "empty" acquire and release functions
*/
const createReplicationFullConcurrencyController = () => ({
// eslint-disable-next-line require-await
acquire() {
return __awaiter(this, void 0, void 0, function* () {
return () => {
// does not lock --> no need to release
};
});
},
cancel() {
// does not lock --> no way to cancel
},
});
exports.createReplicationFullConcurrencyController = createReplicationFullConcurrencyController;
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