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   RE: [xml-dev] Microsoft's vision of data and the role of XML in that con

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I did some work on Xml pipes recently and it is very easy ( and very
cool !!!).

In my case, I used an XmlReader (pull Xml) and XmlWriter (push Xml)
which are both abstract classes and a single Stream (byte stream) and
that can be modified by each pipe.
You can thread it too if you want, but at the basic level you have a
single stream which can be modified by each pipe and passed into the

I have to say I love it and it's one of the coolest things I've done
with Xml in .Net - and it was pretty easy as well :)


Steven Livingstone BSc (hons), PgDip ITS [s.livingstone@btinternet.com]
.Net & Xml Consultant 

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-----Original Message-----
From: Joe English [mailto:jenglish@flightlab.com] 
Sent: 18 September 2002 23:01
To: xml-dev@lists.xml.org
Subject: Re: [xml-dev] Microsoft's vision of data and the role of XML in
that context

Joshua Allen wrote:

> The forward-only "pull model" is quite important because many of our 
> low-level scenarios involve pipelined processing of XML, where 
> performance and working set are critical.  "Pull to read, push to 
> write" makes it easy for developers to write components which 
> automatically "just works" in a pipelined environment.

Could you elaborate on this?  I'm confused.

If every component follows this model, how do you plug
two of them together?  That is, how can the output of
FOO be the input of BAR if FOO wants to push and BAR
wants to pull?  Threads?

--Joe English


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