At 15:04 2000-11-06 -0800, sbelt wrote:
>Do you (or anyone) know how to override the cacheing mechanism? I have
>modified the FileServerPortlet so that it will pass the turbine
>userid/password to the target URL (using post method). I am trying to
>retrieve personal task-list information in the portlet. For some reason, I
>cannot get around the cache so that I get the first user's list on all
>subsequent instances.
>
>Any help/direction is appreciated.
This is an important concern! Ideally, there would be a way to mark certain
data sources as uncachable. A problem that we found lately:
The users' configuration files (<user>.psml) get cached as well - not if
they are local, however we are thinking of storing them remotely in a ldap
directory (and still access them through the http request). If now a user
can customize his/her portal page, the configuration file changes, but the
cache still returns the old version!
I never actually understood, why a JetspedDiskCacheEntry has a minimum
expiration time, but if we stick to this, we should provide a way to
invalidate a DiskCacheEntry (e.g. to be used by the UserProfiler/Customizer).
I therefore propose to add following method to the DiskCacheEntry interface:
public void invalidate();
The implementation for the JetspeedDiskCacheEntry would be:
public void invalidate() {
expires = 0;
}
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