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From: Brad Moore <brad.moore@shaw.ca>
Subject: Announce: Dequesterity - Ada 2005 Buffer container suite of generics
Date: Wed, 21 Sep 2011 23:26:37 -0600
Date: 2011-09-21T23:26:37-06:00	[thread overview]
Message-ID: <hGzeq.25409$eS.9085@newsfe03.iad> (raw)

I am pleased to announce the initial release of Dequesterity.

Dequesterity is a set of Ada 2005 generics that provide various forms of
general purpose buffer containers. Buffers may be used as deques, 
queues, ring buffers, stacks, double ended stacks, vectors, and similar 
abstractions.

The generics are combinable and pluggable such that lower level buffer
implementations may be combined with higher level buffer generics to create
a wide selection of buffer types with specific sets of functionality.

Lower level buffer implementations include bounded and unbounded buffer 
forms.
Higher level buffer implementations add concurrency support, and 
streaming capabilities, including Ravenscar compliant buffer forms.

A Passive Buffer provides capabilities for deadlock detection, as well
as seamlessly managing oversized requests. (Read and Write requests that 
are larger than the buffer. The oversized requests are blocked until 
successful, and the transfer occurs automatically in the background 
without requiring any additional tasks.

Buffer instances may be streamed, or may be accessed remotely using the
Distributed Systems Annex.

The Stream Buffer forms allow heterogeneous objects to be read and 
written to the buffer. A Ravenscar Stream Buffer allows a producer
and a consumer task to stream heterogeneous objects.

Most buffers can store their state persistently. Some buffer 
implementations operate entirely on secondary (file based) storage.

The buffers may be instantiated with user defined types, and indefinite 
buffer forms also exist.

The interface to the buffers is modeled after the Ada 2005 container 
library.

Some might recall papers presented at SIGAda 2008 discussing the 
buffers. I finally got around to creating a release for them.

Any comments on the generics would be greatly appreciated.
Please send comments to brad.moore@shaw.ca

0.0 DOWNLOADING
==============
The latest stable release and older releases may be downloaded from;

https://sourceforge.net/projects/dequesterity/files/

For those who want the current development versions of the source they
can download using git (http://git-scm.com/) by issuing the following 
commands

   mkdir sandbox
   cd sandbox
   git clone 
git://dequesterity.git.sourceforge.net/gitroot/dequesterity/dequesterity

The current development version typically will correspond to the latest 
stable
release, but may at times be unstable when new features are being worked on.

Brad Moore



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