ValidationContext
When validating property values, a ValidationContext can be used to obtain ControllerServices, create PropertyValue objects, and compile and evaluate property values using the Expression Language.
Adding Functionality to Apache NiFi
Also available as:
- Introduction
- NiFi Components
- Processor API
- Documenting a Component
- Provenance Events
- Common Processor Patterns
- Error Handling
- General Design Considerations
- Controller Services
- Reporting Tasks
- UI Extensions
- Command Line Tools
- Testing
- NiFi Archives (NARs)
- Per-Instance ClassLoading
- Deprecating a Component
- How to contribute to Apache NiFi