Overview
Who should take this course?
This course is for experienced Mule 3 developers who want to quickly uplevel their skills to Mule 4. It prepares you to take the MuleSoft Certified Developer - Level 1 exam and includes two exam attempts.
Note: A self-paced version of this course is also available.
Prerequisites
Experience developing Mule 3 applications as demonstrated by the following:
When you complete this course, you will be able to:
- Build Mule 4 applications using Anypoint Studio.
- Use Anypoint Studio to build & debug integrations and API implementations.
- Connect to databases, files, web services, SaaS apps, JMS queues, and more.
- Transform data using DataWeave 2, the transformation language.
- Add application logic and handle errors.
- Handle batch data processing.
- Migrate a Mule 3 application to Mule 4 using Mule Migration Assistant.
Lessons and Topics
Accessing and modifying Mule events
- Log event data
- Debug Mule applications
- Read and write event properties
- Write expressions with the DataWeave expression language
- Create variables
Structuring Mule applications
- Create applications composed of multiple flows and subflows
- Pass events between flows using asynchronous queues
- Encapsulate global elements in separate configuration files
- Specify application properties in a separate properties file and use them in the application
- Describe the purpose of each file and folder in a Mule project
- Define and manage application metadata
Consuming web services
- Consume web services that have an API (and connector) in Anypoint Exchange
- Consume RESTful web services
- Consume SOAP web services
- Pass parameters to SOAP web services using the Transform Message component
- Transform data from multiple services to a canonical format
Controlling event flow
- Multicast event
- Route events based on conditions
- Validate events
Handling errors
- Handle messaging errors at the application, flow, and processor level
- Handle different types of errors, including custom errors
- Use different error scopes to either handle an error and continue execution of the parent flow or propagate an error to the parent flow
- Set the success and error response settings for an HTTP Listener
- Set reconnection strategies for system errors
Writing DataWeave transformations
- Write DataWeave expressions for basic XML, JSON, and Java transformations
- Write DataWeave transformations for complex data structures with repeated elements
- Define and use global and local variables and functions
- Use DataWeave functions
- Coerce and format strings, numbers, and dates
- Define and use custom data types
- Call Mule flows from DataWeave expressions
- Store DataWeave scripts in external files
Triggering flows
- Read and write files
- Trigger flows when files are added, created, or updated
- Trigger flows when new records are added to a database table
- Schedule flows to run at a certain time or frequency
- Persist and share data in flows using the Object Store
- Publish and consume JMS messages
Processing records
- Process items in a collection using the For Each scope
- Process records using the Batch Job scope
- Use filtering and aggregation in a batch step
Migrating Mule 3 applications
- Migrate a Mule 3 application using Mule Migration Assistant (MMA)
- Describe the scope and limitations of MMA
- Read and understand MMA migration reports
- Refactor a migrated application to make best use of Mule 4 features
Setup requirements
- A computer with:
- At least 8-16 GB RAM (16 highly recommended), 2GHz CPU, and 10GB available storage
- A minimum screen resolution of 1024x768
- Internet access to ports 80 and 3306 (with > 5Mbps download and > 2Mbps upload)
- The latest version of Chrome, Safari, Firefox, or Edge
- An Anypoint Platform account
- Anypoint Studio 7.14 or later with embedded Mule 4 runtime
- A Salesforce Developer account (not a standard account) and API Access token
- Advanced REST Client 16.0.1 or later (or any other REST client application)