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  • Book Overview & Buying Learning Apex Programming
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Learning Apex Programming

Learning Apex Programming

By : Matthew Kaufman, Wicherski
2.8 (6)
Buy this Book
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Learning Apex Programming

Learning Apex Programming

2.8 (6)
By: Matthew Kaufman, Wicherski
Buy this Book

Overview of this book

If you are a developer who has some object-oriented programming experience, Learning Apex Programming is the perfect book for you. This book is most appropriate for developers who wish to gain an understanding of the Force.com platform and how to use Apex to create business applications.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Apex Assumptions and Comparisons
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1. Apex Assumptions and Comparisons
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Before you start
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A gift to our readers
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Safety first
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The Force.com IDE
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Getting comfortable with Eclipse
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Linking Eclipse to the Salesforce1 Platform
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Under the hood
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Data and metadata
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Writing code
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Summary
2
2. Apex Limits
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2. Apex Limits
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Exceptions prove the rule
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Embracing an exception
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An exception to end all exceptions
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Obeying the speed limit
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More limits
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Edition limits
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API limits
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E-mail limits
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Time and relative limits in space
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You want me to process how many records?
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How many times and how many things
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Techniques to avoid query limits
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These aren't the queries you're looking for
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Visualforce limits
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Summary
3
3. More and Later
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3. More and Later
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Chain reactions
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Where we're going, we don't need roads
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I fought the law and won
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Please sir, I want some more
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Combining forces
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Bigger, better, and batchier
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Dyna batch
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Building skynet
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Master control
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Summary
4
4. Triggers and Classes
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4. Triggers and Classes
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A brief history of triggers
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Trigger happy
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Pulling the trigger
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Inside the mind of a trigger
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Class is in session
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Staying classy
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Put your hands together
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Behind the scenes
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The Pablo Picasso of Apex
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Summary
5
5. Visualforce Development with Apex
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5. Visualforce Development with Apex
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s-con, what?
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Your own personal Force.com
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Tag, you're it!
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Taking control
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Extending control
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More internal goodies
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Static cling
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Dynamic pages
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Visualforce components
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Your component library
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Controlling components
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Summary
6
6. Exposing Force.com to the World
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6. Exposing Force.com to the World
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Three ways to skin a cat
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JavaScript buttons jubilee
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For your consideration
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My turn!
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Summary
7
7. Use Case – Integration with Google Calendar
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7. Use Case – Integration with Google Calendar
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Gimme an O!
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Googol
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Forget me not
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I'm late, very, very late!
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O, Auth me mighty Google!
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Summary
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8. Creating a Property Management Application
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8. Creating a Property Management Application
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Why
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What
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Who
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How
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When and Where
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A custom model
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Paying your dues
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Mine, all mine
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Ain't no mountain
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Upgrade to the app status
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Summary
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9. Test Coverage
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9. Test Coverage
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@isTest
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Always on my mind
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Get tested
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Fruits of our labour
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The ultimate goal
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Summary
10
Index
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Index

Combining forces

As it's a prebuilt interface, leveraging the Database.Batchable interface is simple enough. There's very little required for you to take advantage of the Apex magic. On the surface, it seems like we could simply call our existing method from within the Execute() method and be done. However, it's important to remember our rules and ensure that we code as efficiently as possible. This means we need to ensure that we only operate on the records that need to be operated upon. To do this, we need to modify our code to query just the contacts that need to be updated.

Salesforce Object Query Language has the ability to include a Where clause in our query string. However, unlike SQL, it does not allow this Where clause to compare values of two different fields against each other. To do this most efficiently, we need to take off our programmer hats and put on our database administrator hats. Instead of writing code to determine whether a contact needs to be updated, we can create...

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Tech Concepts
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Programming languages
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Learning Apex Programming
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