What is composite baseline in UCM and when it will

问题:

What is Composite baseline in UCM?

When it will be used? Will it be used mainly when we have multiple components?

回答1:

The reference on "composite Baselines" is: "Best practices for using composite baselines in UCM".

Introduced in ClearCase v2002, composite baselines are a mechanism for grouping baselines into a collection. One baseline is designated as the composite, and other baselines become members of the composite

You do not necessarily have to use composite baselines when you have multiple components, but:

If you want to remember the set of baselines existing at a given point on your Stream, then having a rootless component able to record of the baseline of its member is useful.

In theory, you can have "composites of composites":

I wouldn't recommended it, though, because of the "parasite baselines (explained briefly here and here)