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question asked: Jul 23 '20, 1:23 a.m.
question was seen: 926 times
last updated: Jul 23 '20, 4:30 a.m.

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RDNG : How many baselines can be created for a particular stream?

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Vani B (139●12●75) | asked Jul 23 '20, 1:23 a.m.
  1. Are the Stream and baseline are at same level under DNG components?
    2.  If we select baseline and then filter based on the folders then only artifacts in the baseline will be listing inside the folders or all the artifacts will  list out?

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Ian Barnard (2.3k●7●14) | answered Jul 23 '20, 4:30 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

 Hi Vani


> 1. Are the Stream and baseline are at same level under DNG components?

Not sure what you mean.

The Knowledge Center says here below heading Configuration Management concepts:

ELM tools use two types of configurations:
  • Streams are modifiable configurations of artifacts from one or more components. Team members deliver their changes to a stream when they want to make their changes visible to other team members.
  • Baselines are frozen configurations of artifacts (cannot be modified) from one or more components. Baselines are useful for enabling a team to work with a known configuration, or as an initial state for some new stream of work.

    IBM Engineering Workflow Management (EWM) makes a slightly different distinction for source control management (SCM). Baselines of components are the same, but snapshots represent a frozen state of a stream that contains component baselines.

Artifacts in a stream can be modified, and the stream always presents the artifact version that is currently selected by that stream (other streams or baselines can select other artifact versions). By maintaining the artifacts for a project in a stream, teams can share their work and ensure they are working with the artifact version that they need.

When the work on a set of artifacts in a stream is complete or has reached some milestone, you can create a baseline of that stream to capture the specific artifact versions selected by the stream at that time. The artifact versions in the baseline cannot be modified, nor can the set itself. In the future, the team can use the baseline to create a new stream for its work.

 

> 2.  If we select baseline and then filter based on the folders then only artifacts in the baseline will be listing inside the folders or all the artifacts will  list out?

Yes: choosing a baseline means you only see the versions of resources that are in the baseline, and because you're in a baseline you won't be able to edit/add/delete. Things added/edited/deleted from the stream after the baseline was taken will not be visible.

If you choose a stream then the latest versions of the resources in the stream are always displayed.

HTH
Ian

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