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.
Table of Contents (23 chapters)
Force.com Enterprise Architecture - Second Edition
Credits
Foreword
About the Author
Acknowledgements
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
Index

Implementing custom query logic


If we take a look at the implementation of the selectSObjectById base class method we have been using so far in this chapter, the buildQuerySObjectById method code shown as following, gives an indication of how we implement custom Selector methods; it also highlights the newQueryFactory base class method usage:

public List<SObject> selectSObjectsById(Set<Id>idSet) {
  return Database.query(buildQuerySObjectById());
}
private String buildQuerySObjectById() {
  return newQueryFactory().
           setCondition('id in :idSet').
           toSOQL();
}

The newQueryFactory method exposes an alternative object orientated way to express a SOQL query. It follows the fluent design model with its methods making the configuration less verbose. For more information on this approach see https://en.wikipedia.org/wiki/Fluent_interface.

The instance of fflib_QueryFactory returned by this method is preconfigured with the object, fields, order by and any field set...