Book Image

Talend Open Studio Cookbook

By : Rick Barton
Book Image

Talend Open Studio Cookbook

By: Rick Barton

Overview of this book

Data integration is a key component of an organization's technical strategy, yet historically the tools have been very expensive. Talend Open Studio is the world's leading open source data integration product and has played a huge part in making open source data integration a popular choice for businesses worldwide.This book is a welcome addition to the small but growing library of Talend Open Studio resources. From working with schemas to creating and validating test data, to scheduling your Talend code, you will get acquainted with the various Talend database handling techniques. Each recipe is designed to provide the key learning point in a short, simple and effective manner.This comprehensive guide provides practical exercises that cover all areas of the Talend development lifecycle including development, testing, debugging and deployment. The book delivers design patterns, hints, tips, and advice in a series of short and focused exercises that can be approached as a reference for more seasoned developers or as a series of useful learning tutorials for the beginner.The book covers the basics in terms of schema usage and mappings, along with dedicated sections that will allow you to get more from tMap, files, databases and XML. Geared towards the whole lifecycle, the Talend Open Studio Cookbook shows readers great ways to handle everyday tasks, and provides an insight into all areas of a development cycle including coding, testing, and debugging of code to provide start-to-finish coverage of the product.
Table of Contents (21 chapters)
Talend Open Studio Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Common Type Conversions
Index

Reading and writing to a queue


Talend ESB is supplied with the Apache ActiveMQ software for creating message queues and topics. This recipe shows how we can write to and read from an ActiveMQ queue.

Getting ready

First, we'll need to start ActiveMQ.

  1. Navigate to the folder <talend installation folder>\Runtime_ESBSE\activemq\bin and double-click on the file activemq.bat.

  2. This will open a command window. Do not close this command window while you are doing this recipe.

  3. You can access the ActiveMQ administration console by opening the URL localhost:8161/admin. This will allow you to view your queues and topics.

  4. Open the job jo_cook_ch09_0080_readWriteQueue.

How to do it...

The first thing to do is to write a message to a queue.

Writing to the queue

  1. Drag a tMomOutput component to the canvas.

  2. Create a flow between the tFileInputXML and the tMomOutput components.

  3. Open the component and set the MQ Server to ActiveMQ, the To field to customerData, and the MessageType to Queue. Your tMomOuptut should look...