November 2012
Beginner
320 pages
6h 42m
English
Content preview from Getting Started with Talend Open Studio for Data IntegrationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Run If
In Chapter 6, Managing Files, we created a job that checked for the existence of a file before it tried to process the file (good coding practice!). This used a Run If connector and readers who have already worked through this example will be familiar with its purpose and configuration.
Run If triggers a subjob or component when a defined condition is met, the existence (or non-existence) of a file, if the number of rows returned is greater than 100, and countless other conditions.
A Run If connection is made by right-clicking on the source component, selecting Trigger | Run If, and dropping the connector onto the target component. Click on the connector and enter a condition expression, in Java, into the Condition box.
Condition expressions ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.