Machine Learning: Hands-On for Developers and Technical Professionals

Appendix ASpringXD Quick Start

You can download SpringXD from the Pivotal site at http://projects.spring.io/spring-xd.

Installing Manually

Use the following steps to install SpringXD:

1. Create a new directory:

   mkdir /opt/springxd

2. Unzip the contents of the downloaded zip file.
3. Set the environment variable to the directory:

   export XD_HOME=/opt/springxd/spring-xd-1.0.0.M7/

Starting SpringXD

Start SpringXD by doing the following:

1. Change the directory to the location in which you installed SpringXD:

   cd /opt/springxd/spring-xd-1.0.0.M7/xd

2. Start the SpringXD server with the following command:

   ./bin/xd-singlenode & 

Creating a Stream

Assuming that the SpringXD server is up and running, launch the SpringXD shell in another terminal window:

../shell/bin/xd-shell

From the SpringXD xd:> command prompt, create a stream like so:

xd:>stream create --name ticker --definition "time | log" –deploy

Go back to your SpringXD server terminal window and check the output of the stream to confirm it's working properly.

16:39:06,323 INFO task-scheduler-1 sink.ticker:155 - 2014-06-30 16:39:06 16:39:07,326 INFO task-scheduler-4 sink.ticker:155 - 2014-06-30 16:39:07 16:39:08,330 INFO task-scheduler-1 sink.ticker:155 - 2014-06-30 16:39:08 16:39:09,331 INFO task-scheduler-1 sink.ticker:155 - 2014-06-30 16:39:09 16:39:10,333 INFO task-scheduler-1 sink.ticker:155 - 2014-06-30 16:39:10 16:39:11,339 INFO task-scheduler-7 sink.ticker:155 - 2014-06-30 16:39:11 16:39:12,341 INFO task-scheduler-8 sink.ticker:155 ...