Batch Processing with Spring Batch & Spring Boot

Batch Processing of Data with Java Spring Framework & MySQL. Item Reader, Item Writer, Item Processor & JPA Reader

What you'll learn:

• Learn Batch Processing
• Spring Batch Framework with Spring Boot
• What is Spring Batch ?
• What is Job & Step ?
• Tasklet Step & Chunk Oriented Step
• Start/Stop Job with REST API & Schedule with Spring Scheduler
• Different Item Readers - CSV, JSON, XML, MySQL, REST API
• Different Item Writers - CSV, JSON, XML, MySQL, REST API
• Fault Tolerance with Spring Batch
• Real Time Use Case with Database Migration

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In this course you will learn Spring Batch Framework. Spring Batch is an open source framework for batch processing of data.

First you will learn basics of batch processing and Spring Batch. Also you will learn need of Spring Batch.

After having basic knowledge of Spring Batch we will go for Job and Step in Spring Batch.

There are two types of steps provided by Spring Batch.

• Tasklet Step

• Chunk-Oriented Step

First we will go for Tasklet Step. Spring Batch stores metadata information. We will configure Spring Batch App with MySQL database. At runtime we can pass Job Parameters to make our Job dynamic.

After this we will cover Chunk-Oriented Step.

There are different options we can launch our job. We can use RESTAPI to trigger job and we can use Spring Scheduler to schedule Spring Batch Job. Also we can stop Job using RESTAPI.

There are different Item Readers provided by Spring Batch.

• CSV Item Reader

• JSON Item Reader

• XML Item Reader

• JDBC Item Reader

• RESTAPI Item Reader

There are different Item Writers provided by Spring Batch.

• CSV Item Writer

• JSON Item Writer

• XML Item Writer

• JDBC Item Writer

• RESTAPI Item Writer

Spring Batch Provides Item Processor to process data. Item Processor is in between Item Reader & Item Writer. So output of Item Reader is input for Item Processor and output of Item Processor is input for Item Writer.

Course Topics & Lectures :-

• Introduction To Spring Batch

Batch Processing with Real World Examples

What is Spring Batch ?

What is Job & Step ?

Step Types In Spring Batch

Spring Batch Architecture

• Getting Started with Spring Batch

Create First Spring Batch Application

First Spring Batch Job with Tasklet Step

Second Tasklet Step

Customize Tasklet Step

What is Job Instance, Job Execution & Job Execution Context ?

What is Step Execution & Step Execution Context ?

Configure MySQL with Spring Boot

Running Spring Batch with MySQL

Setting Job Parameter Value

Make Job Parameter Unique

Job Listener

Step Listener

• Chunk Oriented Step

Overview of Chunk Oriented Step

Create First Item Reader

Create First Item Processor

Create First Item Writer

Create Chunk Oriented Step

Chunk Oriented Step In Action

Chunk Oriented Step without Item Processor

Tasklet & Chunk Oriented Steps Together

• Job Handling with REST API & Spring Scheduler

Job Launching Property

Spring Batch App with REST API

Start Job with REST API

Passing Job Parameters with REST API

Scheduling Job with Spring Scheduler

Stop Job with REST API

• Working with Item Readers

Different Item Readers

Overview of Flat File Item Reader

Create Flat File Item Reader with CSV File

Flat File Item Reader In Action

Change Delimiter with Flat File Item Reader

Pass File Name as Parameter

Customize Flat File Item Reader

JSON File as Datasource

Create JSON Item Reader

JSON Item Reader In Action

XML File as Datasource

Create XML Item Reader

XML Item Reader In Action

MySQL Database as Datasource

Create JDBC Item Reader with MySQL Database

JDBC Item Reader In Action

Multiple Spring Datasource with MySQL

REST API as Datasource

Create REST API Item Reader

REST API Item Reader In Action

• Working with Item Writers

Different Item Writers

Create Flat File Item Writer with CSV File

Flat File Item Writer In Action

JSON Item Writer

Working with Item Processor

XML Item Writer

JDBC Item Writer with MySQL Database

JDBC Item Writer Using Prepared Statement

Having POST API To Write

REST API Item Writer

• Fault Tolerance with Spring Batch

Introduction To Fault Tolerance

Why Fault Tolerance For your Spring Batch Job ?

Skip Bad Records

Capturing Bad Records While Reading Data

Capturing Bad Records While Processing Data

Capturing Bad Records While Writing Data

Capture Records using SkipListener

Introduction To Retry Mechanism

Retry Mechanism In Action

• Real Time Use Case with Database Migration

Database Migration (PostgreSQL To MySQL) with Spring Batch

Download and Install PostgreSQL

Setup Data In PostgreSQL & ER Diagram

Using Latest Version of Spring Boot

Configure Spring Boot with Spring Data JPA

JPA Entities For MySQL & PostgreSQL

EntityManagerFactory For MySQL & PostgreSQL

Jpa Item Reader

Jpa Item Writer

Jpa Item Reader & Writer with Processor

Database Migration In Action

Job Parameters To Make Migration Dynamic