Spring: Spring Batch

Introduction

• Batch processing with Spring Batch
• What you should know

1. Getting Started with Spring Batch

• Batch processing concepts
• Spring Batch overview
• MySQL Database installation
• Spring Batch project setup
• Building a batch job

2. Building Batch Jobs

• Spring Batch architecture
• Configuring a job repository
• Job parameters
• Building jobs with multiple steps
• Restarting jobs
• Job flow
• Building conditional flows
• Controlling flow with custom statuses
• Challenge: Creating a conditional flow
• Solution: Creating a conditional flow

3. Advanced Job Flows

• Batch status control
• Listeners
• StepExecutionListener
• Reusability in batch jobs
• Reusing external flows
• Nesting jobs
• Parallel flows

4. Reading Job Input

• Chunk-oriented processing
• ItemReader
• Configuring chunk-oriented steps
• Reading flat files
• Reading from databases in single-thread scenarios
• Reading from databases in multithreaded scenarios

5. Writing Job Output

• ItemWriter
• Writing flat files
• Writing to a database with PreparedStatements
• Writing to a database with named parameters
• Challenge: Writing a JSON file
• Solution: Writing a JSON file

6. Processing Items

• ItemProcessor
• ItemProcessor Bean Validation
• Implementing custom processor logic
• Chaining ItemProcessors
• Challenge: Filtering batch data
• Solution: Filtering batch data

7. Resilient Batch Jobs

• Skip logic
• Configuring jobs for skips
• Retry logic
• Configuring steps for retries
• Multi-threaded steps

8. Operating Jobs

• Job operation
• Scheduling with Spring
• Scheduling jobs

Conclusion

• Your next Spring Batch steps