Book Image

Force.com Enterprise Architecture - Second Edition

By : Andrew Fawcett
Book Image

Force.com Enterprise Architecture - Second Edition

By: Andrew Fawcett

Overview of this book

Companies of all sizes have seen the need for Force.com's architectural strategy focused on enabling their business objectives. Successful enterprise applications require planning, commitment, and investment in the best tools, processes, and features available. This book will teach you how to architect and support enduring applications for enterprise clients with Salesforce by exploring how to identify architecture needs and design solutions based on industry standard patterns. There are several ways to build solutions on Force.com, and this book will guide you through a logical path and show you the steps and considerations required to build packaged solutions from start to finish. It covers all aspects, from engineering to getting your application into the hands of your customers, and ensuring that they get the best value possible from your Force.com application. You will get acquainted with extending tools such as Lightning App Builder, Process Builder, and Flow with your own application logic. In addition to building your own application API, you will learn the techniques required to leverage the latest Lightning technologies on desktop and mobile platforms.

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Table of Contents (23 chapters)
Force.com Enterprise Architecture - Second Edition
Force.com Enterprise Architecture - Second Edition
Credits
Credits
Foreword
Foreword
About the Author
About the Author
Acknowledgements
Acknowledgements
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Building, Publishing, and Supporting Your Application
Building, Publishing, and Supporting Your Application
Required organizations
Introducing the book's sample application
Package types and benefits
Creating your first managed package
Package dependencies and uploading
Becoming a Salesforce partner and benefits
Introduction to AppExchange and listings
Installing and testing your package
Licensing
Providing support
Customer metrics
Trialforce and Test Drive
Summary
2
Leveraging Platform Features
Leveraging Platform Features
Packaging and upgradable components
Understanding the custom field features
Understanding the available security features
Platform APIs
Localization and translation
Building customizable user interfaces
E-mail customization with e-mail templates
Process Builder, Workflow and Flow
Social features and mobile
Summary
3
Application Storage
Application Storage
Mapping out end user storage requirements
Understanding the different storage types
Reusing the existing Standard Objects
Importing and exporting data
Options for replicating and archiving data
External data sources
Summary
4
Apex Execution and Separation of Concerns
Apex Execution and Separation of Concerns
Execution contexts
Apex governors and namespaces
Where is Apex used?
Separation of Concerns
Patterns of Enterprise Application Architecture
Unit testing versus system testing
Packaging the code
Summary
5
Application Service Layer
Application Service Layer
Introducing the Service layer pattern
Implementation of design guidelines
Handling DML with the Unit Of Work pattern
Services calling services
Contract Driven Development
Testing the Service layer
Calling the Service layer
Summary
6
Application Domain Layer
Application Domain Layer
Introducing the Domain layer pattern
Implementation design guidelines
Domain class template
Implementing Domain Trigger logic
Implementing custom Domain logic
Object-oriented programming
Testing the Domain layer
Calling the Domain layer
Updating the FormulaForce package
Summary
7
Application Selector Layer
Application Selector Layer
Introducing the Selector layer pattern
Implementing design guidelines
The Selector class template
Implementing the standard query logic
Implementing custom query logic
Introducing the Selector factory
Updating the FormulaForce package
Summary
8
User Interface
User Interface
Which devices should you target?
Introducing Salesforce Standard UIs and Lightning
Leveraging the Salesforce standard UIs
Generating downloadable content
Generating printable content
Client server communication
Managing limits
Object and field-level security
Managing performance and response times
Using the Service layer and database access
Considerations for using JavaScript libraries
Custom Publisher Actions
Creating websites and communities
Mobile application strategy
Custom reporting and the Analytics API
Updating the FormulaForce package
Summary
9
Lightning
Lightning
Building a basic Lightning user interface
Lightning architecture
FormulaForce Lightning Components
Making components customizable
Integrating with Lightning Experience
Lightning Out and Visualforce
Integrating with communities
Testing
Updating the FormulaForce package
Summary
10
Providing Integration and Extensibility
Providing Integration and Extensibility
Reviewing your integration and extensibility needs
Force.com platform APIs for integration
Application integration APIs
Exposing Lightning Components
Extending Process Builder and Visualflow
Alignment with Force.com extensibility features
Extending the application logic with Apex interfaces
Summary
11
Asynchronous Processing and Big Data Volumes
Asynchronous Processing and Big Data Volumes
Creating test data for volume testing
Indexes, being selective, and query optimization
Skinny tables
Asynchronous execution contexts
Volume testing
Summary
12
Unit Testing
Unit Testing
Comparing Unit testing and Integration Testing
Dependency Injection, Mocking, and Unit Testing
Writing Unit Tests with the Apex Stub API
ApexMocks and Apex Enterprise Patterns
Summary
13
Source Control and Continuous Integration
Source Control and Continuous Integration
Development workflow and infrastructure
Developing with Source Control
Hooking up Continuous Integration
Releasing from Source Control
Automated regression testing
Summary
Index
Index

Writing Unit Tests with the Apex Stub API

The Apex Stub API applies only within an Apex test context. So it cannot be used to implement DI outside of tests. For this you still need to leverage Apex interfaces.

Utilizing the APIs requires an understanding of the following:

  • Implementing the Stub Provider interface: The System.StubProvider system-provided Apex interface is effectively a callback style interface. It allows your mocking code to be informed when method calls are against classes you are mocking in your test. You can implement this interface multiple times, once per class you're mocking, or a single implementation for building sophisticated generalized mocking frameworks. The Apex Mocks open source framework from FinancialForce.com is one such framework that we will be reviewing later.

  • Dynamic Creation of Stubs for Mocking: The platform automatically creates instances of classes you wish to mock through the Test.createStub method. You do not need to create Apex interfaces to perform...

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