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Connect to TigerGraph Data in JRuby


Create a simple JRuby app with access to live TigerGraph data.

JRuby is a high-performance, stable, fully threaded Java implementation of the Ruby programming language. The CData JDBC Driver for TigerGraph makes it easy to integrate connectivity to live TigerGraph data in JRuby. This article shows how to create a simple JRuby app that connects to TigerGraph data, executes a query, and displays the results.

Configure a JDBC Connection to TigerGraph Data

Before creating the app, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CData\CData JDBC Driver for TigerGraph\lib).

JRuby natively supports JDBC, so you can easily connect to TigerGraph and execute SQL queries. Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.

To authenticate with your TigerGraph instance, set the User, Password, and URL properties to valid TigerGraph credentials. By default connections are made on port 14240.

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the TigerGraph JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.tigergraph.jar

Fill in the connection properties and copy the connection string to the clipboard.

Below is a typical JDBC connection string for TigerGraph:

jdbc:tigergraph:User=MyUserName;Password=MyPassword;URL=MyURL;

Create a JRuby App with Connectivity to TigerGraph Data

Create a new Ruby file (for example: TigerGraphSelect.rb) and open it in a text editor. Copy the following code into your file:

require 'java' require 'rubygems' require 'C:/Program Files/CData/CData JDBC Driver for TigerGraph 2018/lib/cdata.jdbc.tigergraph.jar' url = "jdbc:tigergraph:User=MyUserName;Password=MyPassword;URL=MyURL;" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT id, locationId FROM person") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

With the file completed, you are ready to display your TigerGraph data with JRuby. To do so, simply run your file from the command line:

jruby -S TigerGraphSelect.rb

Writing SQL-92 queries to TigerGraph allows you to quickly and easily incorporate TigerGraph data into your own JRuby applications. Download a free trial today!