@ultipa-graph/ultipa-driver
Version:
NodeJS SDK for Ultipa GQL
90 lines • 10.3 kB
JavaScript
;
/**
* Transaction management for GQLDB Node.js driver.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.TransactionManager = void 0;
const errors_1 = require("./errors");
/** Manages transactions for the client */
class TransactionManager {
transactions = new Map();
/** Create a new transaction */
begin(txId, sessionId, graphName, readOnly, timeout, clientSessionId = '') {
const tx = {
id: txId,
sessionId,
graphName,
readOnly,
createdAt: Date.now(),
timeout,
committed: false,
rolledBack: false,
clientSessionId,
};
this.transactions.set(txId, tx);
return tx;
}
/** Mark a transaction as committed */
commit(txId) {
const tx = this.transactions.get(txId);
if (!tx) {
throw new errors_1.TransactionNotFoundError();
}
tx.committed = true;
this.transactions.delete(txId);
}
/** Mark a transaction as rolled back */
rollback(txId) {
const tx = this.transactions.get(txId);
if (!tx) {
throw new errors_1.TransactionNotFoundError();
}
tx.rolledBack = true;
this.transactions.delete(txId);
}
/** Get a transaction by ID */
get(txId) {
return this.transactions.get(txId);
}
/** Get all active transactions */
getActive() {
return Array.from(this.transactions.values());
}
/** Get all active transactions for a session */
getActiveForSession(sessionId) {
return this.getActive().filter(tx => tx.sessionId === sessionId);
}
/** Check if there are any active transactions */
hasActive() {
return this.transactions.size > 0;
}
/** Get the number of active transactions */
count() {
return this.transactions.size;
}
/** Clear all transactions */
clearAll() {
this.transactions.clear();
}
/** Check if a transaction is active */
isActive(txId) {
const tx = this.transactions.get(txId);
return tx !== undefined && !tx.committed && !tx.rolledBack;
}
/** Check if a transaction has expired */
isExpired(txId) {
const tx = this.transactions.get(txId);
if (!tx || tx.timeout === 0)
return false;
return Date.now() - tx.createdAt > tx.timeout;
}
/** Get transaction age in milliseconds */
age(txId) {
const tx = this.transactions.get(txId);
if (!tx)
return 0;
return Date.now() - tx.createdAt;
}
}
exports.TransactionManager = TransactionManager;
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