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Talend Open Studio Cookbook

You're reading from   Talend Open Studio Cookbook Getting familiar with Talend Open Studio will greatly enhance your data handling and integration capabilities. This is the perfect reference book for beginners and intermediates with a host of practical recipes that clarify even complex features.

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Product type Paperback
Published in Oct 2013
Publisher Packt
ISBN-13 9781782167266
Length 270 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Rick Barton Rick Barton
Author Profile Icon Rick Barton
Rick Barton
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Toc

Table of Contents (16) Chapters Close

Preface 1. Introduction and General Principles FREE CHAPTER 2. Metadata and Schemas 3. Validating Data 4. Mapping Data 5. Using Java in Talend 6. Managing Context Variables 7. Working with Databases 8. Managing Files 9. Working with XML, Queues, and Web Services 10. Debugging, Logging, and Testing 11. Deploying and Scheduling Talend Code 12. Common Mistakes and Other Useful Hints and Tips A. Common Type Conversions
B. Management of Contexts Index

Using implicit context loading to load contexts


This method is very similar to the one discussed previously, that the context data is external to Talend, but differs in the fact that the context data is loaded automatically for every job in a project.

Getting ready

Open the jo_cook_ch06_0030_implicitContextLoad job.

How to do it...

The steps for using implicit context load to load contexts are as follows:

  1. Click on File then Edit project properties.

  2. From the dialogue box, expand Job Settings and select the option for Implicit context load.

  3. Check the option for Implicit tContextLoad.

  4. Check the option From File.

  5. Set the From File name to C:/cookbookData/chapter6/chapter6_jo_0020_cookbookContextFile.txt.

  6. Set the Field Separator to =.

  7. Click on the Print operations box.

  8. Click on Ok to finish.

  9. Run the job, and you will see the context data being loaded and the warnings being produced.

How it works...

The implicit context load functionality reproduces the code in the previous exercise for all jobs in the project...

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