Working with Spring Batch

Next-Level Spring: Developing Spring Batch Applications; Define, Manage and Test Batch Jobs & More

Course Code: TT3356

Skill Level: Intermediate

Duration: 2 Days

Course Overview

Batch processing is the processing of Jobs (transactions) in groups or batches. Jobs that can run with a minimum of end user interaction and can be scheduled to run when resources permit. Spring Batch is a lightweight framework enabling the development of robust batch applications using the Spring Framework. Spring Batch the advanced technical services and features to support extremely high volume and high-performance batch jobs while utilizing the POJO-based development approach of the Spring Framework, familiar to all experienced Spring developers.

Working with Spring Batch is a two-day, fast-paced coding course geared for experienced developers who have prior working knowledge of Spring and Spring Boot.

Course Objectives

Working in a hands-on learning environment, students will explore the Spring framework, with emphasis placed on Spring Batch. Throughout the course students will:

Understand how to leverage the power of Spring Boot to develop Spring Batch applications
Use Spring Batch to define batch jobs
Define the batch workflow
Understand how Spring Batch manages the state of each job
Restart Jobs in case of failures during execution
Schedule Batch Jobs
Use Spring Cloud Data flow to monitor the batch jobs
Test the implementation of the Batch process
Test the implementation of individual steps of a Batch Job

Need different skills or topics? If your team requires different topics or tools, additional skills or custom approach, this course may be further adjusted to accommodate. We offer additional Spring, Java / JEE programming, Microservices / Services, REST, TDD / testing, design, application security and other related topics that may be blended with this course for a track that best suits your needs. Our team will collaborate with you to understand your needs and will target the course to focus on your specific learning objectives and goals.

Course Prerequisites

This in an intermediate-level Java development course geared for students experienced with Java and Spring programming essentials. This course does not cover Java or Spring development basics.

Please see the Related Courses tab for specific Pre-Requisite courses, Related Courses that offer similar skills or topics, and next-step Learning Path recommendations.

Course Agenda

Please note that this list of topics is based on our standard course offering, evolved from typical industry uses and trends. We’ll work with you to tune this course and level of coverage to target the skills you need most.

Session: Spring Batch

Lesson: Introduction to Spring Batch

Introduction to Batch Processing
Requirements of Batch processes
JSR 352 and Spring Batch
Reader, Writer and Processor interfaces
Workflow basics
Spring Batch configuration
Domain Language of Batch

Lesson: Batch Jobs

Configuring the Spring Batch runtime (@EnableBatchProcessing)
Introduce the JobBuilderFactory and StepBuilderFactory
Overview of Tasklets
Launching a Job Running Jobs from the commandline
Lab: Introduction to Spring Batch
Lab: Running Jobs from the Command line

Lesson: Bootstrapping Spring Batch

Bootstrapping using Spring Boot
@EnableBatchProcessing
Configuring the Batch runtime: BatchConfigurer
Adding jobs to a registry
JobOperator
JobScope and StepScope
JobParametersValidator
Running jobs in a web environment, the asynchronous TaskExecutor
Modular configurations
Lab: Spring Batch Boot

Lesson: Readers and Writers

Chunks vs Tasklet
ItemReader, Processor and Writer
Exploring the Chunk size
FlatFileItemReader / FlatFileItemWriter
Working with XML and JSON
Processing data stored in relational databases
Using Spring Data JPA for ItemReader and ItemWriter
Lab: Spring Batch Steps
Lab: Spring Batch Processing

Lesson: Chunk Oriented Processing

Retry and Skip Logic
SkipPolicy
RetryPolicy and RetryContext
Configuring Steps
Defining Job flows
Implementing event listeners
Listener annotations
Lab: Spring Batch Chunks

Lesson: Scheduling Jobs

Introduction to Spring Batch scheduling
Scheduling Jobs from command line
Scheduling Jobs using Spring Scheduler
Scheduling Jobs using Quartz
Lab: Spring Batch Scheduling

Lesson: Spring Cloud Data Flow

Introduction to Spring Cloud Data Flow
Spring Cloud Task
Running the DataFlow Server
The @EnableTask Annotation
Registering the task with the server
Lab: Spring DataFlow Server

Lesson: Batch Unit Testing

Using JUnit 5 to test Spring Batch Jobs
The Spring TestContext (@SpringBootTest)
Integration testing
Defining DataSource for test
Populating the DataSource for test
@SpringBatchTest
Testing individual steps
Testing Step-Scoped Components
Lab: Spring Batch Test

Course Materials

Student Materials: Each participant will receive a digital Student Guide and/or Course Notes, code samples, software tutorials, step-by-step written lab instructions (as applicable), diagrams and related reference materials and resource links. Students will also receive the project files (or code, if applicable) and solutions required for the hands-on work.

Hands-On Setup Made Simple! Our dedicated tech team will work with you to ensure our ‘easy-access’ cloud-based course environment, or local installation, is accessible, fully-tested and verified as ready to go well in advance of the course start date, ensuring a smooth start to class and effective learning experience for all participants. In some cases we can also help you install this course locally if preferred. Please inquire for details and options.

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Excellent training. Even though it was online, I did not have any issues understanding or getting the answers for the questions I had. The lab exercises are interesting to apply what was learnt. Overall very good training. Thank you!

Anitha

A very good balance of teaching time to lab time. I've done other courses that I found to be much lighter on content and heavy on labs to waste time. This was a refreshing change of pace.

Adam G

Best programming class I've ever been in, head and shoulders above any thing I took in college as part of a computer science degree. The instructor was thorough and very detailed, he was very good abut explaining all possible scenarios a situation would apply to. The way the albs were structured and the class was conducted was very good for interaction and hand on learning.

Danish J

The instructor was clearly knowledgeable about Java and programming in general. He was very attentive to every student's individual needs and constantly encouraged questions, concerns, student issues to be raised and addressed each one thoroughly.

Mark M

Both the instructor and the course material were very thorough - the course material has many helpful references - the labs were well laid out, making it easy to learn from and get done on time

Steve C.

Excellent detail about the Spring framework which directly relates to my role as a senior engineer. I found the content and style to be very enjoyable, and would encourage me to ask questions where previously I might not have paid much attention, eg. pom version numbers / spring starters being imported. The focus on the different styles of unit testing was also excellent and I would plan to incorporate in day to day work.

Edward K

Great job overall. Great communicator and explained complex concepts in a simple, easier to understand format.

Jeremy G

First time in my life I have attended remote class and I find it great. Personally I don't feel there is any area which require improvement!

Rishi M

Instructor was beyond phenomenal. He had an in depth knowledge of the course material and always ensured that everyone understood what was being discussed. I really enjoyed the mix of theory and practical examples of each part of the course.

Cillian M

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