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Is it possible to lock a stream?


Brian Gillan (3215330) | asked Mar 20 '09, 3:09 p.m.
retagged Oct 06 '17, 4:07 p.m. by Ken Tessier (84117)

I see there will be function coming in 2.0 that will allow locking a
file in a stream. Is there, or will there be, a way to lock an entire
stream?

I see what can be delivered to a stream can be controlled thorough
process customization, but there doesn't appear to be a way to directlyt
lock a stream.

Thanks, Brian

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David Lafreniere (4.8k7) | answered Oct 05 '17, 1:28 p.m.
FORUM MODERATOR / JAZZ DEVELOPER
edited Oct 05 '17, 5:49 p.m.

In RTC 6.0.2 we added a feature that lets you lock streams and components to prevent deliveries to the files in those streams or components. Stream and component locks work in a similar manner to file locks but apply to the entire stream or the entire component in a stream. When a stream or component is locked, any attempted deliveries by users who do not own the lock will fail with an appropriate error message. The user that holds the lock can still perform deliveries to the stream. A lock does not only prevent deliveries, it also prevents any operation that affects the files in the locked component or stream. For example, a component replace is also prevented.

See:
-New & Noteworthy Mention: https://jazz.net/downloads/rational-team-concert/releases/6.0.2?p=newsDetails#stream-locking
-Stream/Component Locking Demo Video: https://www.youtube.com/watch?v=b8QwzwUF2ZY
-SCM Command Line Client 'set lock' command: https://www.ibm.com/support/knowledgecenter/SSCP65_6.0.4/com.ibm.team.scm.doc/topics/set_lock.html

Prior to 6.0.2, you could add a deliver advisor in the process spec to restrict deliveries to particular streams. By protecting your stream by particular roles or users, you can effectively lock the stream down.
"http://jazz.net/library/article/215#protect_some" describes how to protect individual components in a stream, the same approach can be used to lock down the entire stream.

Michael Valenta selected this answer as the correct answer

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John Camelon (1.7k14) | answered Mar 20 '09, 3:56 p.m.
JAZZ DEVELOPER
We have changes coming in M3D1 which allow you to apply process to a
particular stream ... so it will be possible in 2.0 to effectively lock
a stream by revoking permissions to just that stream.

Hope this helps,
JohnC
SCM Server

Brian Gillan wrote:
I see there will be function coming in 2.0 that will allow locking a
file in a stream. Is there, or will there be, a way to lock an entire
stream?

I see what can be delivered to a stream can be controlled thorough
process customization, but there doesn't appear to be a way to directlyt
lock a stream.

Thanks, Brian

permanent link
Jean-Michel Lemieux (2.5k11) | answered Mar 22 '09, 7:02 p.m.
JAZZ DEVELOPER
There is also support in 1.0 to effectively lock a stream, simply move it to a team area in which no one has deliver permissions set. When you want to unlock it, move it back to the original team.
Jean-Michel

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