@n8n/typeorm/browser/driver/sqlite-pooled/LeasedDbConnection.js

Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.

import { DatabaseConnectionLeaseAlreadyReleasedError } from "../../error/DatabaseConnectionLeaseAlreadyReleasedError";
/**
 * Represents a leased database connection. The connection is
 * leased from the owner to the lease holder, and must be
 * released back to the owner when no longer needed.
 */
export class LeasedDbConnection {
    get connection() {
        if (this.isReleased) {
            throw new DatabaseConnectionLeaseAlreadyReleasedError();
        }
        return this._connection;
    }
    constructor(_connection, leaseOwner, leaseHolder) {
        this._connection = _connection;
        this.leaseOwner = leaseOwner;
        this.leaseHolder = leaseHolder;
        this.isReleased = false;
    }
    markAsInvalid() {
        this.leaseOwner.invalidateConnection(this);
    }
    async release() {
        if (this.isReleased) {
            return;
        }
        this.leaseOwner.releaseConnection(this);
        this.isReleased = true;
    }
    async requestRelease() {
        if (this.isReleased) {
            return;
        }
        this.leaseHolder.requestRelease();
    }
}

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