On Tue, 12 Feb 2002, Tsui, Alban wrote:
> Well ... I want to cahce the generated Jpegs files rather than caching the
> pipeline. Is this the same problem?
No you'll probably use a reader for Jpegs and readers can be configured
to tell the browser about exiration times:
<map:read src="foo.jpg">
<expires>1000000</expires>
</map:read>
Giacomo
>
> > -----Original Message-----
> > From: giacomo [mailto:[EMAIL PROTECTED]]
> > Sent: 12 February 2002 13:58
> > To: [EMAIL PROTECTED]
> > Subject: RE: controlling cocoon cache per pipeline?
> >
> >
> > On Tue, 12 Feb 2002, Vadim Gritsenko wrote:
> >
> > > > From: Tsui, Alban [mailto:[EMAIL PROTECTED]]
> > > >
> > > > I have a pipeline in sitemap for generating svg graphics.
> > > >
> > > > Everytime a user accesses it, it gets called but is there
> > anyway to
> > > cache
> > > > the grpahics so that next time, a "cached-file" gets sent
> > instead of
> > > going
> > > > through the xsp, transform, serializer steps to generate
> > a new one?
> > >
> > > Pipeline is cached automatically when every step in the
> > pipeline can be
> > > cached.
> >
> > Read: When every step in the pipeline can be cached.
> >
> > As you mentioned XSP (which are not cachable by default) I suggest
> > adding a generateKey method to your XSP (there are cocoon samples for
> > it in src/webapp/docs/samples/xsp/cacheable.xsp).
> >
> > Giacomo
> >
> > >
> > >
> > > > Or can we generate those files dynamically and get them
> > written to the
> > > disc
> > > > while serving the image when the pipeline first gets
> > called, then we
> > > can
> > > > retrieve the file into the piple line next time it is
> > called? Hope I
> > > am
> > > > clear on my question!
> > >
> > > Yes, you can come up with something like this, but why if
> > Cocoon already
> > > caches all the pipelines automatically (see above)?
> > >
> > >
> > > > Also is it possible to set up a pipeline so that when it
> > is called,
> > > cocoon
> > > > will clear "certain" cache from the disc/memory? I might
> > need to do
> > > that
> > > > once per day if I can cache those images...
> > >
> > > This is also done automatically as soon as pipeline is requested and
> > > it's content has been changed.
> > >
> > > Vadim
> > >
> > > > I am using the latest release of Cocoon 2.0.1 running on
> > Tomcat 4.0.1.
> > > >
> > > > Regards
> > > > Alban
> > > >
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