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Learning Apex Programming

You're reading from   Learning Apex Programming Create business applications using Apex to extend and improve the usefulness of the Salesforce1 Platform

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Product type Paperback
Published in Jan 2015
Publisher
ISBN-13 9781782173977
Length 302 pages
Edition 1st Edition
Languages
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Authors (2):
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Matthew Kaufman Matthew Kaufman
Author Profile Icon Matthew Kaufman
Matthew Kaufman
 Wicherski Wicherski
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Wicherski
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Table of Contents (17) Chapters Close

Learning Apex Programming
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Apex Assumptions and Comparisons FREE CHAPTER 2. Apex Limits 3. More and Later 4. Triggers and Classes 5. Visualforce Development with Apex 6. Exposing Force.com to the World 7. Use Case – Integration with Google Calendar 8. Creating a Property Management Application 9. Test Coverage Index

Building skynet


Triggers that call batch processes are fairly common, but like we mentioned earlier, it's not a good practice to have two sets of code that perform the same function. Sometimes, it's just easier to have your batch process run nightly (or on some other regular basis). This ensures that you start the day fresh with a clean slate and a database full of accurate data. A fairly new method in Apex is now available that lets you schedule the execution of a batch class called System.scheduleBatch(). The System.scheduleBatch() method has four input parameters:

  • Apex class: This is the Apex class that implements the Database.Batchable interface.

  • Job name: This is a string you use for easy reference.

  • Minutes from now: This represents an integer that specifies in how many minutes your batch process should start.

  • Batch size: This represents the size of each batch processed by the execute() method. This parameter is optional and will be set to the default value of 200 if not specified.

Calling...

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