node-zookeeper-client/examples/transaction.js

A pure Javascript ZooKeeper client for Node.js.

/**
 * Copyright (c) 2013 Yahoo! Inc. All rights reserved.
 *
 * Copyrights licensed under the MIT License. See the accompanying LICENSE file
 * for terms.
 */

var zookeeper = require('../index.js');

var client = zookeeper.createClient(process.argv[2] || 'localhost:2181');

client.once('connected', function () {
    console.log('Connected to the server.');

    client.transaction().
        create('/txn').
        create('/txn/1', Buffer.from('transaction')).
        setData('/txn/1', Buffer.from('test'), -1).
        check('/txn/1').
        remove('/txn/1', -1).
        remove('/txn').
        commit(function (error, results) {
            if (error) {
                console.log(
                    'Failed to execute the transaction: %s, results: %j',
                    error,
                    results
                );

                return;
            }

            console.log('Transaction completed.');
            client.close();
        });
});

client.connect();