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From Apache Wiki <wikidi...@apache.org>
Subject [Myfaces Wiki] Update of "GSoC2010_StateSavingPerformanceImprovements" by Marius Petoi
Date Tue, 06 Apr 2010 08:52:34 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Myfaces Wiki" for change notification.

The "GSoC2010_StateSavingPerformanceImprovements" page has been changed by Marius Petoi.
http://wiki.apache.org/myfaces/GSoC2010_StateSavingPerformanceImprovements?action=diff&rev1=10&rev2=11

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  == Description ==
  
- In JSF 2.0 there is the possibility to partially save the state of the page in the External''''''Context.
This means that at the first request the entire state is saved, but afterwards only the differences
from this are saved. MyFaces2 introduces the “State''''''Management''''''Strategy”, which
is an interface for strategies used for saving and respectively loading the view. The default
MyFaces strategy implemented so far, upon saving the view checks whether there has been a
previously saved view. If so, it saves just the differences between the old state and the
new, actual state. If not, the entire state is saved in the external context request map.
+ In JSF 2.0 there is the possibility to partially save the state of the page in the External''''''Context.
This means that at the first request the entire state is saved, but afterwards only the differences
from this are saved. MyFaces 2.0 introduces the “State''''''Management''''''Strategy”,
which is an interface for strategies used for saving and respectively loading the view. The
default MyFaces strategy implemented so far, upon saving the view checks whether there has
been a previously saved view. If so, it saves just the differences between the old state and
the new, actual state. If not, the entire state is saved in the external context request map.
  
  At the moment, the saved state contains the component tree together with properties for
each component (a list of its children and facets, together with the list of listeners, the
behaviours map, etc). Every component is responsible for creating its own “state” object,
which is afterwards included in the parent’s state object. In the end, the “state” of
the UI''''''View''''''Root and the tree of components is saved in the External''''''Context.
  

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