1st Feb 2020 MuleSoft Meetup

Saturday, 1st Feb 2020
[Faridabad-India]

All contents © MuleSoft Inc.
Introductions
2
• About the organizer:
– Pankaj Goyal
– Amit Singh
• About the speaker:
– Pankaj Goyal
– Arunesh Kumar
– Abhay Aggarwal
• About the sponsor:
– Centric Consulting
A SHOW OF HANDS:
Who is new to this MeetUp?

Agenda
3
• Introductions
• MuleSoft Overview
• Integrations Design patterns
• Central Repository Setup
• What’s next
• Networking time

Trivia- Quiz Session
4
• Trivia- Quiz Session
• After each session there will be a Quiz, and best answer will get the
training and certification voucher.

MuleSoft History
6
• MuleSoft Mission:
• To connect the world’s applications, data and devices to transform business
– The story behind the name
• Frustrated by integration "donkey work", Ross Mason, VP Product Strategy, founded the open
source Mule project in 2003. He created a new platform that emphasized ease of development
with quick and efficient assembly of components, instead of custom-coding by hand
– Company overview
• Company ◦ Founded in 2006, HQ: San Francisco
• 22 offices world-wide
• 1300+ employees worldwide
• Nearly 70% new subscription bookings driven by APIs, mobile and SaaS integration

MuleSoft Overview
7

Anypoint Platform
8

MuleSoft Learning
9
• MuleSoft Training
• <https://training.mulesoft.com/>
• MuleSoft Docs
• <https://docs.mulesoft.com/general/>
• Developer Tutorials
• <https://developer.mulesoft.com/tutorials-and-howtos>
• MuleSoft Community
– Meetups groups
– Blogs
– Forum or Help center

Trivia Quiz
10
• Q1.
How MuleSoft Solve business/IT problems?

Presented by - Abhay Agarwal
1st Feb 2020
Enterprise Integration
Design patterns in Mule

Design patterns
12

Enterprise Integration Design patterns
13
• Enterprise Integration Patterns are accepted solutions to recurring
problems within a given context
• The patterns provide a framework for designing, building messaging
and integration systems, as well as a common language for teams to
use when architecting solutions.

Enterprise Integration Design patterns
14
• 65 patterns structured into various categories, which largely follow the flow of a
message from one system to the next through channels, routing, and
transformations
• Enterprise Integration patterns do not change. Just technologies changes.
• The patterns are brought to life with examples implemented in messaging
technologies, such as JMS, SOAP, MSMQ, .NET, and other EAI Tools. The solutions
are relevant for a wide range of integration tools and platforms, such as IBM
WebSphere MQ, TIBCO, Vitria, WebMethods (Software AG), or Microsoft BizTalk,
messaging systems, such as JMS, WCF, Rabbit MQ, or MSMQ, ESB's such as Apache
Camel, Mule, WSO2, Oracle Service Bus, Open ESB, SonicMQ, Fiorano or Fuse
ServiceMix.

EI Design pattern categories
15
• Enterprise design patterns are roughly divided into below mentioned
categories
– Integration Styles
– Messaging Systems
– Messaging Channels
– Message Construction
– Message Routing
– Message Transformation
– Messaging Endpoints

Mapping Enterprise Integration Design
Patterns into Mule
16

Patterns into Mule
17

Patterns into Mule
18

Patterns into Mule
19

Patterns in Mule
20
• Patterns discussed in this presentation are used in Mulesoft
• We all are using these patterns unknowingly ( and knowingly , after
this presentation ends … ) while developing integration solutions in
Mulesoft

Problem Statement 1 -
21
How do we communicate with another system if the message
originator does have all the required data items available?

Problem Solution - Pattern - Content Enricher
22
Use a specialized transformer, a Content Enricher, to access an
external data source in order to augment a message with missing
information.
Also known as Data Enricher Pattern

Pattern - Content Enricher
23
• Content Enricher uses information inside the incoming message (e.g.,key fields) to retrieve data from an external
source. After the Content Enricher retrieves the required data from the resource, it appends the data to the message.
• Following are the most common sources for the new data:
• 1. Computation: The Content Enricher may be able to compute the missing information. For example, if the receiving
system requires a city and state abbreviation, but the incoming message contains only a ZIP code, the algorithm can
supply the city and state information Body copy and bullets go here. Body copy should be set in the same weights and
color when possible.
• 2. Another System: This option is the most common one. The Content Enricher has to retrieve the missing data from
another system. This data resource can take on a number of forms, including a database, a file, an LDAP directory, an
application, or a user who manually enters missing data.
• 3. Environment: The Content Enricher may be able to retrieve the additional data from the operating environment. The
most common example is a time stamp. For example, the receiving system may require each message to carry a time
stamp. If the sending system does not include this field, the Content Enricher can get the current time from the
operating system and add it to the message.

Pattern - Content Enricher – Example Problem
24

Pattern - Content Enricher – Example Solution
25

Pattern - Content Enricher – Mule
26

27
How do we handle a situation where the implementation of a single
logical function (e.g., inventory check) is spread across multiple
physical systems?

Problem Solution
28
Use a Content-Based Router to route each message to the correct
recipient based on message content.

Pattern – Content based Router
29
• Content-Based Router inspects the content of a message and routes
it to another channel based on the content of the message. Using
such a router enables the message producer to send messages to a
single channel and leave it to the Content-Based Router to route
them to the proper destination. This alleviates the sending
application from this task and avoids coupling the message producer
to specific destination channels.

Pattern – Content based Router
30
• Advantage - It uses predictive routing - all possible paths are known
before hand. This makes for efficient routing because each outgoing
message is sent directly to the correct system.
• Disadvantage - Content-Based Router has to have knowledge of all
possible recipients and their capabilities. As recipients are added,
removed, or changed, the Content-Based Router has to be changed
every time.

Pattern – Content based Router – Mule
31

32
How do you maintain the overall message flow when a message needs
to be sent to multiple recipients, each of which may send a reply?
How can a participant solicit responses from a number of participants
without connecting to all of them?

Problem Solution
33
Use a Scatter-Gather that broadcasts a message to multiple
recipients and re-aggregates the responses back into a single
message.

Pattern – Scatter Gather
34
• Scatter-Gather is a routing message pattern where in we sends a
request message to multiple targets concurrently. Then collects the
responses from all routes and aggregates them back into a single
response.
• Uses another pattern – Aggregator

Pattern – Scatter Gather
35
• Examples –
– Insurance Quotes engine
– Airline price engine
– Bank Loan rates engine

Pattern – Scatter Gather – Mule
36

37
How do we combine the results of individual, but related messages so
that they can be processed as a whole?

Problem Solution
38
Use a stateful filter, an Aggregator, to collect and store individual
messages until a complete set of related messages has been received.
Then, the Aggregator publishes a single message distilled from the
individual messages.

Pattern – Aggregator
39
• The Aggregator is a special Filter that receives a stream of messages
and identifies messages that are correlated. Once a complete set of
messages has been received (more on how to decide when a set is
'complete' below), the Aggregator collects information from each
correlated message and publishes a single, aggregated message to
the output channel for further processing.

40
How can a component avoid receiving uninteresting messages ?

Problem Solution
41
Use a special kind of Message Router, a Message Filter, to eliminate
undesired messages from a channel based on a set of criteria

Pattern - Message Filter
42
• Message Filter pattern is used to eliminate undesired messages from
a channel based on a set of criteria.
• Message Filter has only a single output channel. If the message
content matches the criteria specified by the Message Filter, the
message is routed to the output channel. If the message content
does not match the criteria, the message is discarded.

Pattern - Message Filter - Mule
43

Summary
44
• Enterprise Integration design patterns are patterns used to solve
common problem encountered in Integration based development
• Integration patterns are being used by all major ESB players in
market – Tibco, Mulesoft, Apache Camel etc
• Mulesoft uses Integration design pattern extensively and efficiently ,
some of the common example is Scatter Gather , Content based
Routing etc.

References
45
• Enterprise Integration Patterns book
– Gregor Hohpe and Bobby Woolf
– ISBN 0321200683
• Mulesoft documentation

Trivia Quiz
46
• Q2. What are EAI design patterns that MuleSoft support?

By: Arunesh Kumar
Central Repository Setup
Are you ready ?

Introduction Central Repository
48
o Maven repository is managed by Maven community. It is not required to be configured.
o JFrog Repository is managed by Jfrog community but also, we managed. It is required to
be configured.
o MuleSoft Exchange repository is managed by MuleSoft community. Only pom.xml
required to configured.
Central repository contains many commonly used libraries (JAR, POM ). This repository is managed
by different community.
Like :- Maven, Binary repository(Jfrog, Nexus), MuleSoft Exchange etc.
But Today will discuss how to setup Central repository with Jfrog, MuleSoft Exchange.

49
The way we managed our check-in codes ( In form of Deployable Archives) in central
repository .

50
In Jfrog, pre-defined “libs-release-local” and “libs-snapshot-local” but we can setup
as per our requirement. Like
“mulesoft-release-esb” and “mulesoft-snapshot-esb”
OR
“centric-release-esb” and “centric-snapshot-esb”
In Central repository, We can manage our artifacts in below version category.
o Release version
o Snapshot version
MuleSoft support Maven. So First need to understand how maven (pom.xml) configure
In our project.

51
As we know that, In Maven required to configured POM.xml file in our projects.

52

API pom.xml Configuration
53
In pom.xml configuration, we need to below
1. groupId
2. artifactId
3. Version
4. Packaging
5. properties
6. Dependency
7. profiles
8. Repositories
9. pluginRepositories

54

55

Settings.xml Configuration
56

Settings.xml Configuration
57

Central Repository -Jenkins
58

Central Repository -Jenkins
59

Central Repository -JFrog
60

Central Repository -JFrog
61

Central Repository –MuleSoft Exchange
62
We can also setup MuleSoft Exchange maven repository using below required information
To construct the elements of a Maven POM file, you need to determine your organization ID:
1. Log into Anypoint Platform and click Access Management.
2. Click the organization name for the top level or a business group and view your Organization ID in the
Organization Info screen.
3. Copy the organization ID and add it to the examples that follow for how to set up your project’s POM file.
Group id must be Organization ID
...
<groupId>ORGANIZATION_ID</groupId>
...

63

64
Sample example of group ID
Sample example of distributionManagement

DEMO
65
JFrog, MuleSoft Exchange

Trivia Quiz- Q3
66
• What configurations are need in pom.xml to upload artifacts in
JFROG ?
• What configurations are need in pom.xml to upload artifacts in
MuleSoft Exchange maven repository ?

See you next time
Please send topic suggestions to the organizer

Networking time
Introduce yourself to your neighbors!

1st Feb 2020 MuleSoft Meetup

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