Update `ControlMessage` to hold arbitrary Python objects & update `MessageMeta` to copy & slice - Githubissues

nv-morpheus / Morpheus

Morpheus SDK

Apache License 2.0

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Update `ControlMessage` to hold arbitrary Python objects & update `MessageMeta` to copy & slice #1637

Closed yczhang-nv closed 3 months ago

yczhang-nv commented 4 months ago

Description

For ControlMessage, use a specialization of nlohmann::basic_json to hold arbitrary Python objects for m_metadata & m_tasks
Implement dataframe slicing method for MessageMeta which is equivalent to copy_meta_ranges() in MultiMessage. The method will do copy & slicing to the original dataframe, instead of sharing the ownership.

By Submitting this PR I confirm:

I am familiar with the Contributing Guidelines.
When the PR is ready for review, new or existing tests cover these changes.
When the PR is ready for review, the documentation is up to date with these changes.

mdemoret-nv commented 3 months ago

/merge