Tuesday, December 16, 2008

About Baseline Considerations in the Deliver Operation

About Baseline Considerations in the Deliver Operation
 
If the foundation baseline of the source stream is different from that of the target stream, the deliver operation includes activities in the foundation baseline plus all activities created after the foundation baseline. This baseline difference prevents you from delivering only selected changes.
 
S1. For example, the Feature stream in figure below is configured with baseline 0. The developer working in the Developer1 stream delivers activity Activity1 to the Feature stream.
 
 
 
The owner of the Feature stream creates baseline 1 in that stream. Activity1 is included in baseline 1. The developer in the Developer1 stream continues working on a new activity and delivers activity Activity2 to the Feature stream.
 
If the integrator of the Feature stream delivers work to the Integration stream, the deliver operation includes Activity2 plus the activities in included in baseline 1. The integrator can not deliver only Activity2.
 
 
S2. Another baseline consideration arises when you deliver to an alternative target stream, as shown in the figure below.
The Developer1 stream delivers Activity1 to an alternative target, the Integration2 stream. As an intermediate step, the deliver operation creates a hidden baseline D (referred to as a deliver baseline) in the Developer1 stream. If the Developer1 stream next tries to deliver only Activity2 to the Integration1 stream, the deliver operation requires that the changes associated with the deliver baseline (Activity1) be delivered. In this case, you can not deliver only activity2, but must deliver Activity1 (which is included in the deliver baseline) also.

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