[FLINK-24649] Add DraftExecutionEnvironment to support wrapping operators during compile time

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: ml-2.0.0
• Component/s: Library / Machine Learning
• Labels: pull-request-available
• Assignee: Yun Gao
• Reporter: Yun Gao
• Created: 26/Oct/21 11:16
• Updated: 15/Dec/21 03:13
• Resolved: 30/Oct/21 09:15

Description

To add wrappers for each operator, we'll have to first make users construct the subgraph of the iteration body in a separate env, and then copy to the actual env with the operators wrapped. We'll introduce a DraftExecutionEnvironment for this purpose.

Issue Links

• links to: GitHub Pull Request #11