MuleSoft for Salesforce Developers: A practitioner's guide to deploying MuleSoft APIs and integrations for Salesforce enterprise solutions

490 Pages·2022·46.288 MB·English

by  Arul Christhuraj Alphonse, Alexandra Martinez, Akshata Sawant

MuleSoft for Salesforce Developers
A practitioner’s guide to deploying MuleSoft APIs and
integrations for Salesforce enterprise solutions
Arul Christhuraj Alphonse
Alexandra Martinez
Akshata Sawant
BIRMINGHAM—MUMBAI
MuleSoft for Salesforce Developers
Copyright © 2022 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted
in any form or by any means, without the prior written permission of the publisher, except in the case
of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information
presented. However, the information contained in this book is sold without warranty, either express
or implied. Neither the author(s), nor Packt Publishing or its dealers and distributors, will be held
liable for any damages caused or alleged to have been caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and
products mentioned in this book by the appropriate use of capital. However, Packt Publishing cannot
guarantee the accuracy of this information.
Group Product Manager: Alok Dhuri
Publishing Product Manager: Harshal Gundetty
Senior Editor: Nisha Cleetus
Business Development Executive: Uzma Sheerin
Technical Editor: Maran Fernandes
Copy Editor: Safis Editing
Project Coordinator: Manisha Singh
Proofreader: Safis Editing
Indexer: Subalakshmi Govindhan
Production Designer: Prashant Ghare
Marketing Coordinator: Rayyan khan and Deepak Kumar
First published: September 2022
Production reference: 1090922
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham
B3 2PB, UK.
ISBN 978-1-80107-960-0
www.packt.com
To the memory of my father, Alphonse, and to my mother, Esther
RajaRathinam, for their sacrifices and love.
– Arul Christhuraj Alphonse
To my wife, Ana, for being my biggest supporter, my best friend, and the best
life partner I could’ve asked for. To my aunts, Elia and Vero, for believing in
me unconditionally and for all of your love. To my mom, Lulu, for all your
sacrifices, your long nights when I was sick, your hugs, your tears, your smiles,
your warmth, and everything you gave me. Las amo, siempre.
– Alexandra Martinez
To my parents, I truly appreciate your efforts in bringing me up to be a better
individual. To my best friend and my favorite human, Dan! I love you! To my
little bro, Shubham, for being so mature and supportive.
– Akshata Sawant
Co n t r i b u t o r s
About the authors
Arul Christhuraj Alphonse works as a senior integration architect at Cognizant. Before working
at Cognizant, he also worked at Akmin Technologies, Quinnox, IBM, and TCS. He has over 18
years of experience in the integration and API domain and has designed over 1,000 integrations.
His educational qualifications include Master of Computer Applications and Master of Business
Administration degrees, and his professional qualifications include MuleSoft Mentor, MuleSoft Certified
Integration Architect, MuleSoft Certified Platform Architect, MuleSoft Certified Developer Level 1,
and SoftwareAG webMethods Certified Professional. He was born and raised in Thoothukudi, Tamil
Nadu, India, and currently lives in Singapore. He shares his knowledge through Udemy and the Tech
Lightning YouTube channel.
I thank God because without God I wouldn’t be able to do any of this. I would like to thank my loving
and understanding wife, Sahaya Divya, my son, Rithwin, my daughter, Riya, and also my family for
their continuous support, patience, and encouragement throughout the long process of writing this book.
Big thanks to my team at Cognizant and DFS for being supportive.
Alexandra Martinez is a developer advocate at MuleSoft, creating technical content to enable developers
and architects to get started with MuleSoft’s products. Before this, Alex worked as a MuleSoft developer
and was part of the MuleSoft community as an Ambassadress and meetup leader for the Toronto, Online
Spanish, and Women Who Mule chapters. Alex has more than 10 years of experience in technology
and has developed software in other languages, such as Java, Python, and PHP. Born and raised in
Monterrey, Mexico, Alexandra’s MuleSoft career was key to moving to a different country, and she
currently lives in Niagara Falls, Canada. Alex volunteers at organizations such as Women Who Code
and Olascoaga MX to help close the gender gap in STEM careers.
I want to thank my dream team at MuleSoft: Mariana Lemus, Sabrina Marechal, Sabrina Hockett,
Isabella Navarro, David Norris, and Meghan Murphy. You have helped me in more ways than you’ll ever
know and I really appreciate it. I also want to thank Bits In Glass for changing my life, especially Aaron
Wentzell and Graham Fraser for mentoring me.
Akshata Sawant is a developer advocate at MuleSoft. She’s been evangelizing MuleSoft through her
blogs, videos, and training sessions. She has around five years of experience as a MuleSoft developer.
Apart from this, she's also a MuleSoft Certified Developer and an architect. Akshata has been an active
member of the MuleSoft community and is also a former MuleSoft Ambassadress and a meetup leader
for the London, Mumbai, and Manchester regions. Her roots go back to Mumbai but she’s currently
living her London dream. She’s been a global speaker and mentors women in the integration ecosystem.
I would like to thank my parents, Dan, Shubham, Chetan Parekh Sir, family, and my mentors at Apisero
and EPAM for always motivating me. Thanks to all my friends for their honest reviews on my content.
Thanks to everyone at Packt for being so patient and Uzma Sherin for trusting me with this book. To
my team at MuleSoft and my amazing MuleSoft Community, a big thank you from the bottom of my
heart! Ambadnya!
A b o u t t h e r e v i e we r s
Gaurav Kheterpal is a well-known name in the Salesforce ecosystem, a Salesforce MVP since 2016,
and he holds 40 Salesforce Certifications, 21 Salesforce AP Credentials and 5 MuleSoft Certifications
– he is ranked among the top 3 globally certified experts in Salesforce & Mulesoft ecosystems.
Gaurav has been recognized by Salesforce as a Developer Success Story and a Trailblazer. He has
delivered several sessions at leading events such as Dreamforce, TrailheaDX, Salesforce World Tour,
London’s Calling, and several others. Gaurav is passionate about evangelizing Salesforce and MuleSoft
platforms in the broader community.
D Rajesh Kumar is a Lead MuleSoft Integration Architect with 17+ years of extensive experience in
the IT industry. For the last 8 years, he has been working on the MuleSoft platform in various domains
for end-to-end platform setups, architecture, design and Center for Enablement (C4E) setups and
execution. He is a MuleSoft Certified Architect and a MuleSoft Ambassador recognized by MuleSoft
for his expertise in Mule. He is currently working for TCS as Solution Architect and previously worked
for Infosys, HCL, and Jamcracker.
Table of Contents
Preface xv
Part 1: Getting Started with MuleSoft
1
Introduction to APIs and MuleSoft 3
Understanding the need for an Understanding why MuleSoft is useful 15
integration tool 4 Analyzing how MuleSoft helps Salesforce
developers 17
Introducing no-code and low-code technologies 4
Analyzing integrations 6 Exploring application networks and
the API-led connectivity approach 18
Understanding APIs 8
Understanding what application networks are 18
Reviewing the restaurant analogy 8
Analyzing the API-led connectivity approach 19
Exploring an API example 9
Analyzing API components 11 Summary 22
Listing the benefits of using APIs 12
Questions 23
Introducing MuleSoft 12 Answers 23
Listing MuleSoft’s products 13
2
Designing Your API 27
Understanding an API life cycle 28 Getting started with OAS and RAML 31
Introducing REST, HTTP, and SOAP 29 OAS 31
REST 29 RAML 32
HTTP/HTTPS 29 Getting started with API design 32
SOAP 31
URI parameter 39
viii Table of Contents
Query parameter 40 Summary 52
API mocking 47 Assignments 53
Best practices and tips 51 Questions 53
API design naming convention 51 Answers 54
Optimizing your API design 52
3
Exploring Anypoint Studio 55
Technical requirements 55 Running the Mule application 73
Downloading and installing Testing the Mule application 75
Anypoint Studio 56
Exporting and importing Mule files 77
Downloading Anypoint Studio 56
Exporting a Mule application as a JAR file 78
Installing Anypoint Studio 57
Exporting a Mule application as a filesystem 79
Launching Anypoint Studio 58
Importing a Mule application from a JAR file 80
Introducing the Mule Palette 59 Importing a Mule application from the
filesystem 81
Exploring the Mule project structure 60
Updating the theme in Anypoint
Introducing Mule views and
Studio 83
perspectives 62
Installing software updates in
Views 62
Anypoint Studio 85
Building, running, and testing a
Summary 87
Mule application 63
Questions 87
Building the Mule application 63
Answers 88
4
Introduction to Core Components 89
Technical requirements 89 Batch 98
Getting familiar with a Mule flow 90 Features of the Batch scope 98
Exploring the types of Mule flow 91 The batch processing stages 98
Understanding the Mule event structure 93 A batch step 98
The batch aggregator 99
Core components 96
The batch job 100
Table of Contents ix
Components 102 Round Robin 120
Custom Business Event 102 Scatter-Gather 121
Dynamic Evaluate 103
Scopes 123
Idempotent Message Validator 104
Async 124
Invalidate Cache 105
Cache 124
Invalidate Key 106
Flow 125
Logger 107
For Each 125
Parse Template 108
Parallel For Each 126
Set Transaction Id 109
Sub Flow 127
Transform Message 110
Try 127
Endpoints 110 Until Successful 128
A Scheduler 111
Transformers 129
Error handling 112 Set Variable 130
On Error Continue 113 Remove Variable 130
On Error Propagate 114 Set Payload 131
Raise Error 115
Summary 133
Error Handler 116
Assignments 133
Flow control 118
Questions 133
Choice 118
Answers 134
First Successful 119
5
All About Anypoint Platform 135
Technical requirements 135 Anypoint VPC – virtual private cloud 162
Introducing Anypoint Platform 136 Load balancer 164
Getting started with Design Center 136 Introducing API Manager 164
API Designer 136 Exploring Anypoint Monitoring 164
Flow Designer 140 Alerts 165
Introducing Exchange 145 Log Management 166
The public portal 148 Introducing Anypoint Visualizer 166
Exploring Runtime Manager 150 Exploring Access Management 167
Deploying a Mule application into CloudHub 152 Organization and business groups 167
Managing a Mule application 155 Invite user 167
Runtime Manager alerts 159 Roles 168
Environments 169