Naman Arora created NIFI-14480:
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Summary: Add DroolsProcessor for rule-based JSON processing with
dynamic/static DRL support
Key: NIFI-14480
URL: https://issues.apache.org/jira/browse/NIFI-14480
Project: Apache NiFi
Issue Type: New Feature
Components: Extensions
Reporter: Naman Arora
This processor provides integration of the Drools Rule Engine with Apache NiFi.
It allows for flexible rule-based processing of JSON payloads in two modes:
1. **Static DRL Mode**:
- User provides an absolute path to a DRL file.
- That rule is used for all incoming flowfiles.
2. **Dynamic DRL Mode**:
- User specifies a base path and a key name.
- Processor extracts the relative DRL path from the key inside the flowfile
JSON payload.
- Dynamically fetches the rule and executes it.
Additional Features:
- **File Watcher** service that watches static and dynamic paths for DRL file
changes and reloads the KIE Container automatically.
- **Retry Mechanism** for rule execution with configurable retry attempts.
This processor supports advanced decisioning and rule separation, and helps
enable dynamic business rule application inside NiFi dataflows.
I would like to contribute this processor under the Apache License. I have
signed and submitted the ICLA.
Let me know the next steps or if any feedback is required. Thanks!
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