[NIFI-3688] Create extended groovy scripting processor

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: Extensions
• Assignee: Unassigned
• Reporter: Dmitry Lukyanov
• Created: 10/Apr/17 21:06
• Updated: 13/Nov/17 19:46
• Resolved: 13/Nov/17 19:45

Description

The idea is to simplify groovy scripting.
Main targets:

• to be compatible with existing groovy scripting
• simplify read/write attributes
• simplify read/write content
• avoid closure casting to nifi types like `StreamCallback`
• simplify and provide visibility when accessing to controller services from script

Issue Links

• links to: GitHub Pull Request #1662