[Zope3-Users] Integrating text indexing engine into Zope 3

[Achim Domma]

Hi,

I want to integrate support for a specialized text indexing engine into 
Zope 3. The engine is able to provide documents which are "similar" to a 
reference document.

First I had a look at ICatalog, but IInjection seems to be the way to 
go. Could somebody give me a high level overview on how to use / 
implement these interfaces?

I currently think about the following steps:

- Implement the index as local utility.
- Define an interface IMyStorageDocument for documents to be stored in 
my index.
- Capture somehow if objects are created or deleted. Check if the object 
can be adapted to IMyStorageDocument. If yes, store it in the index or 
remove it.

Clients then only have to implement an adapter for documents which 
should be indexed. To search for documents one could access the index as 
local utility.

I'm still a Zope beginner and would be happy to have some guidance into 
the right direction.

regards,
Achim