[MERGE] key-length GraphIndex adapter
robertc at robertcollins.net
Wed Aug 8 23:13:11 BST 2007
On Wed, 2007-08-08 at 16:58 -0400, Aaron Bentley wrote:
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> Robert Collins wrote:
> > I've incorporated John's review feedback on this.
> This does not appear to be the correct patch. It does not provide a
> GraphIndexPrefixAdapter. Instead, it is apparently concerned with
> renaming "node" to "key" in various APIs, providing ways of obtaining a
> key count, and adding a Dindex flag.
I had two patches up, this, and the knits _PackAccess patch. The
_PackAccess patch included most, but not all of this patch - and John
reviewed the entire set.
> Also, GraphIndexPrefixAdapter is not a very intuitive name. Perhaps
> something relating to "subset" or "filter"? PrefixFilteredIndexAdapter?
> "prefix" to me does not connote subsetting. A GraphIndexPrefixAdapter
> might *add* a uniform prefix to keys, for example.
It does add a uniform prefix to keys - when you query for ('foo', ) it
asks for PREFIX + ('foo',), and when it reads the result it strips
I'd like the name to:
- indicate that it implements the GraphIndex protocol (its not a plain
Index - it is Graph aware)
- indicate that its not an index on its own, rather an adapter to tweak
the behaviour of another index
I'm happy to add Filtering or Filtered to the name...
> That might actually
> be sensible, if you were trying to make knit/weave repos provide an
> interface similar to pack-based repos.
The adapter is used to provide a knit interface to pack based repos, so
it is exactly that, though the other way around from what you
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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