Episode 18 - Asynchronous Apex

Sep 21, 2019Download as PPTX, PDF1 like10,712 views

This document discusses asynchronous Apex in Salesforce, including future methods and queueable Apex. It provides an overview of asynchronous Apex, why it is used, different asynchronous Apex approaches, and compares future methods and queueable Apex. The agenda includes explaining asynchronous Apex, reasons for using it like avoiding governor limits and allowing callouts from triggers, asynchronous governor limits, future methods, queueable Apex, and a demo.

Path to Code
Begin Your Salesforce Coding Adventure

Episode 18
Asynchronous Apex – Future, Queueable

Salesforce MVP, Founder of ApexHours
Follow me at @Amit_SFDC @ApexHours
Amit
Chaudhary

Agenda
• What is Asynchronous Apex
• Why Asynchronous Apex
• Different way of Asynchronous Apex
• Future Vs Queueable

Some House Rules
• Mute your mic
• Keep adding questions in Zoom Q&A Window
• No question is too small
• Questions will be answered in last 15 mins

Why Asynchronous Apex
1. For higher Governor limits
2. Mixed DML operation
3. Long Running job
4. Make a callout from Trigger

Governors Limits
Description Synchronous Limit Asynchronous Limit
Total number of SOQL queries issued 100 200
Total heap size 6 MB 12 MB
Maximum CPU time on the Salesforce servers5 10,000 milliseconds 60,000 milliseconds

Different Way of Asynchronous Apex
Future Method Queueable Apex Batch Job Scheduled Apex

Future Vs Queueable
Future
1. Easy to implements
2. Only accept primitive type
arguments (Integer, String ,
etc, Collection of primitive)
3. Can’t chain jobs
4. Hard to monitor
Queueable
1. Need to create one apex class
2. Support sObject
3. Ability to chain jobs
4. Can be monitored

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Episode 18 - Asynchronous Apex

1. Path to Code Begin Your Salesforce Coding Adventure

2. Episode 18 Asynchronous Apex – Future, Queueable

3. Salesforce MVP, Founder of ApexHours Follow me at @Amit_SFDC @ApexHours Amit Chaudhary

4. Agenda • What is Asynchronous Apex • Why Asynchronous Apex • Different way of Asynchronous Apex • Future Vs Queueable

5. Some House Rules • Mute your mic • Keep adding questions in Zoom Q&A Window • No question is too small • Questions will be answered in last 15 mins

6. What is Asynchronous Apex

7. Why Asynchronous Apex 1. For higher Governor limits 2. Mixed DML operation 3. Long Running job 4. Make a callout from Trigger

8. Governors Limits Description Synchronous Limit Asynchronous Limit Total number of SOQL queries issued 100 200 Total heap size 6 MB 12 MB Maximum CPU time on the Salesforce servers5 10,000 milliseconds 60,000 milliseconds

9. Different Way of Asynchronous Apex Future Method Queueable Apex Batch Job Scheduled Apex

10. Future Vs Queueable Future 1. Easy to implements 2. Only accept primitive type arguments (Integer, String , etc, Collection of primitive) 3. Can’t chain jobs 4. Hard to monitor Queueable 1. Need to create one apex class 2. Support sObject 3. Ability to chain jobs 4. Can be monitored

11. Demo

12. Trailhead Modules Asynchronous Apex

13. Thank You

14. Subscribe

Episode 18 - Asynchronous Apex

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