Improve the application view cache
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Key: TRINIDAD-1487
URL: https://issues.apache.org/jira/browse/TRINIDAD-1487
Project: MyFaces Trinidad
Issue Type: Improvement
Reporter: Matthias Weßendorf
We need to improve the "Application View Cache" feature.
However, the issue is that at the very least, we would need to:
1) Switch to using per-page flags to turn it on. The default is off. This
allows customers to explicitly turn on the AVC
2) Come up with a replacement for cases where we will break the AVC--for
example any renderer that stores rendering information on a component
(including the UIViewRoot)
Detecting the cases where we are doing 2 is hard and still leaves possible
problems with other renderers, or potentially the application itself. We
might be able to do some autodetection for UIXComponent cases by integrating
with the FacesBean in a similar way to the delta state saving, but we would
still need to handle non-Trinidad Components like the UIViewRoot and it is
possible that the application could still hose itself. In general, the kinds
of failures that the application will see with the application view cache
will not be obviously caused by the setting.
Currently the "application view cache" is not supported.
Once the Facelets support has improved we can see how much faster
the cache is than Facelets before we decide whether it is worthwhile to make
the investment necessary to make the application view cache acceptably
robust.
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