arvo-event-handler
Version:
Type-safe event handler system with versioning, telemetry, and contract validation for distributed Arvo event-driven architectures, featuring routing and multi-handler support.
74 lines (73 loc) • 4.31 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.acquireLockWithValidation = void 0;
var arvo_core_1 = require("arvo-core");
var error_1 = require("../error");
/**
* Acquires an exclusive lock for event processing with validation.
*
* Attempts to obtain a lock on the event's subject to ensure exclusive access during
* processing. Throws if lock cannot be acquired, preventing concurrent modifications.
* @throws {TransactionViolation} When lock cannot be acquired
*/
var acquireLockWithValidation = function (syncEventResource, event, span) { return __awaiter(void 0, void 0, void 0, function () {
var acquiredLock;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, syncEventResource.acquireLock(event, span)];
case 1:
acquiredLock = _a.sent();
if (acquiredLock === 'NOT_ACQUIRED') {
throw new error_1.TransactionViolation({
cause: error_1.TransactionViolationCause.LOCK_UNACQUIRED,
message: 'Lock acquisition denied - Unable to obtain exclusive access to event processing',
initiatingEvent: event,
});
}
if (acquiredLock === 'ACQUIRED') {
(0, arvo_core_1.logToSpan)({
level: 'INFO',
message: "This execution acquired lock at resource '".concat(event.subject, "'"),
}, span);
}
return [2 /*return*/, acquiredLock];
}
});
}); };
exports.acquireLockWithValidation = acquireLockWithValidation;