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From "George Aroush" <>
Subject RE: Compression Implementation
Date Mon, 15 May 2006 18:53:32 GMT
Hi Jeff,

We need compression support in Lucene.Net 1.9 using .NET 1.1 otherwise 1.9
can't be declared compatible with it's Java based index.  Beside, doing
reflection to provide a plug-in solution to a 3rd party compression isn't

Eyal already asked if he can work on this part.  I said yes but I have not
heard back from him yet.

Eyal: If you are reading this, please let us know if you are taking on this
task or not.  Thanks!


-- George Aroush

-----Original Message-----
From: Jeff Rodenburg [] 
Sent: Monday, May 15, 2006 12:32 PM
Subject: Re: Compression Implementation

Looking at this from a bit broader perspective, this opens up a bigger

While working to implement a third-party hook-by-reflection process into the
code, the .NET 2.0 framework already contains the appropriate classes to
handle compression.  While there's a need for .NET 1.1 compliance, doing so
with a round-about method seems more like an exception approach vs. a
standard approach.

I don't mean to suggest that usage for the 1.1 Framework be abandoned; I'm
sure there is greater 1.1 usage out in the world as opposed to 2.0.
However, jumping through hoops to support 1.1 is also just a stopgap.  I
know there is a plan to move to the 2.0 Framework later on when the
java-based Lucene project hits its 2.0 definition.

Would it be worthwhile to consider a side-by-side port to the 2.0Framework?
I ported
1.4.3 to the 2.0 Framework myself last winter, and it has changed a few
underlying things as well as improved several core classes.  Having used the
2.0 Framework for the past 6 months, I would strongly suggest we consider
this as a possible solution.


-- j

On 5/11/06, George Aroush <> wrote:
> Hi Johnny,
> I have to keep Lucene.Net 1.9 .NET 1.1 compliant.  Since .NET 1.1 
> doesn't have compression API, I couldn't implement this port -- thus, 
> I left it out.
> My idea on how to resolve this is to use reflection and through 
> reflection, one can integrate a 3rd party compression into Lucene.Net 
> 1.9.  If you want to take on this part, please do and submit your 
> code.  Your effort will be more then welcome and is a path to becoming 
> a committer for Lucene.Net.
> Regards,
> -- George Aroush
> -----Original Message-----
> From: J C []
> Sent: Wednesday, May 10, 2006 7:51 PM
> To:
> Subject: Compression Implementation
> Importance: High
> Hello George
> I have found this:
> // {{Aroush-1.9}} for .NET 1.1, we can use reflection and ZLib?
> in FieldsWriter.cs. It seems that the ZIP compression is not yet 
> implemented.
> I would like to give it a try. Please confirm.
> Regards
> Johnny
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