Apex for Admins: Beyond the Basics

Apex for Admins
Beyond on the Basics!
May 29, 2014

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Speakers
David
Liu
Technical Architect, MVP
@dvdkliu
LeeAnne
Templeman
Developer Evangelist
@leeanndroid

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Engage with the Community
@salesforcedevs / #Apex4Admins
Salesforce Developers
Salesforce Developers
The video will be posted to YouTube
& the webinar recap page
(same URL as registration).
This webinar is being
recorded!Success Community

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Have Questions?
 Don’t wait until the end to ask your question!
– Technical support will answer questions starting now.
 Respect Q&A etiquette
– Please don’t repeat questions. The support team is working
their way down the queue.
 Stick around for live Q&A at the end
– Speakers will tackle more questions at the end, time-allowing.
 Head to Developer Forums
– More questions? Visit developer.salesforce.com/forums

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Don’t Miss Out on Dreamforce 2014!
http://bit.ly/df14-apex4admins
$899 Discount Code:
D14DVLPR

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Introduction to Apex: Beyond the Basics
 Last Week Recap
 Who should be tuning in?
 Lists and Dot Notation
• Combining SOQL and Apex Triggers
• Write your own deduping trigger
• Principles of a good test class
• Learn more about becoming an #AdminWhoCodes

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http://bit.ly/apex4admins-2

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Recap: SOQL Queries

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Recap: Trigger Variables

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POP QUIZ!
 What type of variable would you need to store this myContact.Account.Owner.Id
 Write a query that gets all Opportunities with a close date in the future
 What kind of data type is this value? true
SELECT Id FROM Opportunity WHERE CloseDate > TODAY
String
Boolean

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Using SOQL with APEX
 Where can we do this?
 Most important thing we
learn!
 95% of triggers
 Beyond workflow
– Cross multiple objects

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Challenge!
Which of these movies is overrated?
First listener to guess via CHAT wins a Developer Prize Package!

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Which of these movies is overrated?

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Deduping Trigger
1. Lead is created or updated
2. Lead has an email address
3. Try to find matching contact
based on email address
4. If match is found, populate a
Dupe_Contact__c lookup field
5. If match is not found, clear the
value of Dupe_Contact__c
lookup field.

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Exercise
Let’s write a Deduping Trigger!

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POP QUIZ!
 Without SOQL, what fields are available for each record entering a Trigger?
 What character must be placed before every Apex variable used in a SOQL
query.
 What are the three uses of Dot Notation?
A colon! (:)
Only fields directly on the record are available – related fields are
not!
- Access fields
- Traverse relationships
- Use methods

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4 Principles of a Good Test Class
1. Create Records From Scratch
2. Be “Assert”-ive
3. Break Things!
4. Be “Bulky”

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Principle 1: Create Records From Scratch

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Principle 2: Be “Assert-ive”

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Principle 3: Test Things That Should Not Work

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Principle 4: Be “Bulky”

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SOQL APEX Challenge!
Other than testing in bulk, which testing principle is this
class missing?
First listener to guess via CHAT wins a Developer Prize Package!

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Other than testing in bulk, which testing principle is this class
missing?
Test things That Should Not Work – Negative Testing

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Exercise!
Let’s write a Test Class for our Deduping
Trigger!

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POP QUIZ!
 Why shouldn’t a developer query for production records in a Test Class?
 Why should every test class use System.assertEquals() even if your code
works 100% of the time?
Your code may break in the future as your org
changes over time. For example, a new validation
rule could prevent one of your triggers from
updating certain records. System.assertEquals()
will alert you of these scenarios before you find
out the hard way.
Test code runs without any existing data from both your sandbox and
production database! You should always create records from scratch,
otherwise you risk test failures down the line.

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What next?
 Deployment
– Change sets
 Visualforce
– Upcoming Webinar
 Bulkifying
– Governor limits
 Object Oriented Thinking
– Head First Java

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More SFDC99 Tutorials
 Continue with chapters 5 & 6
 Chapter quizzes
 Get Bulky!
 Limits

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Recap
• Lists and Dot notation
• Write your own deduping trigger
• Combining SOQL and Apex Triggers
• Principles of a good test class
• What next?
• Becoming an #AdminWhoCodes

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Resources
 Developer Forums
– http://developer.salesforce.com/forums
 SFDC99 – David’s Site
– http://sfdc99.com
 Join the community
– #Apex4Admins

Q & A
#forcewebinar
David
Liu
Technical Architect, MVP
@dvdkliu
LeeAnne
Templeman
Developer Evangelist
@leeanndroid

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Apex for Admins: Beyond the Basics

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Editor's Notes