diff options
author | John Mark Bell <jmb@netsurf-browser.org> | 2009-09-09 10:40:53 +0000 |
---|---|---|
committer | John Mark Bell <jmb@netsurf-browser.org> | 2009-09-09 10:40:53 +0000 |
commit | 4e5488ccfad97bbccd6ea3a0453bf233d0a0120e (patch) | |
tree | 5c08f1bfea60901752520c5e35691fe9a6c9e90b /Docs | |
parent | 7f369b829bf570ee4877e6116548c67e05eea805 (diff) | |
download | netsurf-4e5488ccfad97bbccd6ea3a0453bf233d0a0120e.tar.gz netsurf-4e5488ccfad97bbccd6ea3a0453bf233d0a0120e.tar.bz2 |
Introduce the concept of content reusability.
svn path=/trunk/netsurf/; revision=9563
Diffstat (limited to 'Docs')
-rw-r--r-- | Docs/ideas/cache.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Docs/ideas/cache.txt b/Docs/ideas/cache.txt index 7e813e26f..fda0617a3 100644 --- a/Docs/ideas/cache.txt +++ b/Docs/ideas/cache.txt @@ -30,10 +30,20 @@ High-level cache: + Responsible for content objects. + Tracks content dependencies (and potential cycles). + Returns opaque handles to content objects. - + Manages content sharability. + + Manages content sharability & reusability (see below). + Contents with unknown types are never shared and thus get unique handles. + Content handles <> content objects: they're an indirection mechanism. +Content sharability & reusability +-------------------------------- + + If a content is shareable, then it may have multiple concurrent users. + Otherwise, it may have at most one user. + + If a content is reusable, then it may be retained in the cache for later use + when it has no users. Otherwise, it will be removed from the cache when + it has no users. + Example: retrieving a top-level resource ---------------------------------------- |