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Nodejs Driver Graph

https://docs.datastax.com/en/developer/nodejs-dse-graph/2.1/ datastax/nodejs-driver-graph (1)
Languages:JavaScript
Templates:Cassandra
License:Apache 2.0

DataStax Node.js Driver Extensions for DSE Graph

This package builds on the DataStax Node.js Driver for Apache Cassandra, adding functionality for interacting with DSE graph features and Apache TinkerPop.

Installation

npm install cassandra-driver-graph

Documentation

Getting Help

You can use the project mailing list or create a ticket on the Jira issue tracker.

Basic Usage

Create a Client instance and use it to obtain traversal sources:

const { Client } = require('cassandra-driver');
const dseGraph = require('cassandra-driver-graph');

const client = new Client({
  contactPoints: ['host1', 'host2'],
  localDataCenter: 'my_graph_dc',
  graphOptions:  { name: 'my_graph' }
});

// Obtain a traversal source, used to create traversals
const g = dseGraph.traversalSource(client);

// Use the traversal source to create traversals
// ie: Print john's friends names
g.V().has('name','john').out('friends').values('name').toList()
  .then(names => names.forEach(console.log));

You should reuse the Client instance across your application.

Read the full Getting Started Guide.

License

© DataStax, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


Apache TinkerPop, TinkerPop, Apache are registered trademarks of The Apache Software Foundation.

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