JBoss development,
A new message was posted in the thread "StructureModificationChecker and Synch with
VFS3":
http://community.jboss.org/message/518627#518627
Author : Brian Stansberry
Profile :
http://community.jboss.org/people/bstansberry@jboss.com
Message:
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Note that the farming service also does a scan of a portion of the VFS, with the
assumption that it's looking at the original files. This is encapsulated in
https://svn.jboss.org/repos/jbossas/trunk/system/src/main/java/org/jboss/...
See the getCurrentContentMetadata() method.
This is managed by ClusteredDeploymentRepository, which is one of the ProfileService
repository impls Scott was talking about. The scan is triggered by the HDScanner.
This differs from the scan performed by the non-clustered repository impl in that it's
interested in all files, not just those that could trigger a redeploy. And it's not
interested in the internals of zipped archives. Basically it wants to detect any modified
files so it can replicate them to the cluster.
If this scan were delegated to VFS, it would need to get back the relative path, timestamp
and directory/leaf status of all files under the root.
Hmm, replicating the file means being able to read the original file. That's a problem
if it is hidden.
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