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188 lines
7.2 KiB
Plaintext
188 lines
7.2 KiB
Plaintext
------------------------------------------------------------------------------
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-- --
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-- POLYORB COMPONENTS --
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-- --
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-- Copyright (C) 1999-2005 Free Software Foundation, Inc. --
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-- --
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-- PolyORB is free software; you can redistribute it and/or modify it --
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-- under terms of the GNU General Public License as published by the Free --
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-- Software Foundation; either version 2, or (at your option) any later --
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-- version. PolyORB is distributed in the hope that it will be useful, --
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
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-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
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-- License for more details. You should have received a copy of the GNU --
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-- General Public License distributed with PolyORB; see file COPYING. If --
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-- not, write to the Free Software Foundation, 59 Temple Place - Suite 330, --
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-- Boston, MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- PolyORB is maintained by AdaCore --
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-- (email: sales@adacore.com) --
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-- --
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------------------------------------------------------------------------------
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This is the README file for PolyORB version @polyorb_version@.
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The home page of the project is located at http://libre.adacore.com/polyorb/
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This is where you can find news about the project, new releases, and
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pointers to several documents and papers related to PolyORB.
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What is PolyORB?
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----------------
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PolyORB is a polymorphic, reusable infrastructure for building
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object-oriented distributed systems. Middleware environments are
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software libraries that hide the complex issues of distribution
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and provide the programmer with high-level abstractions that allow
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easy and transparent construction of distributed applications.
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A number of different standards exist for creating object-oriented
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distributed applications. These standards define two things:
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* the interface seen by the developer's applicative objects;
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* the protocol used by the middleware environment to talk to other
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nodes in the distributed application.
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Usually, middleware for one platform supports only one set of
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such interfaces, and cannot interoperate with other platforms.
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A polymorphic middleware allows the existence of several different
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implementations of each of these aspects to be used within the same
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middleware framework. In addition, PolyORB allows such different
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personalities to coexist in the same instance of the running middleware;
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it decouples the personality presented to applications on one side
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("application personality"), and the personality presented
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to other middleware on the other side ("protocol personality").
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Multiple implementations of each personalisable aspect can
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coexist within the same instance of the running middleware:
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unlike previous generic middleware, PolyORB is actually schizophrenic.
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The decoupling of application and protocol personalities, and the support
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for multiple simultaneous personalities within the same running middleware
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are key features required for the construction of interoperable
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distributed applications. This allows PolyORB to communicate
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with middleware that implement different distribution standards:
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PolyORB provides middleware-to-middleware interoperability.
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The PolyORB architecture also permits the automatic,
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just-in-time creation of proxies between incompatible environments
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(although this feature is not implemented yet).
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PolyORB can be used in Ada 95 and Ada 2005 applications alike. It is
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implemented in Ada 2005 and C.
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Installation
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------------
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See INSTALL file for more details on supported platforms and installation
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process.
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Documentation overview
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----------------------
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README : This file, first instructions.
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INSTALL : Detail PolyORB installation process.
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NEWS : Detail updates between PolyORB's releases.
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Includes listing of new features, fixed bugs and incompatible
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changes in each release.
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FEATURES : List PolyORB's features.
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src/ROADMAP : Overview of PolyORB source code.
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docs/* : Documents describing PolyORB internals, including
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PolyORB User's Guide.
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Usage of PolyORB
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----------------
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See the PolyORB User's Guide for more details on PolyORB usage.
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Bug reports
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-----------
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If you find a bug or would like to submit patches, please do so indicating
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the release you use. We accept patch files. To produce such a patch file,
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put your files in the PolyORB directory and our files in the directory
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PolyORB.orig, and use the following command:
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diff --recursive --context PolyORB.orig PolyORB > patch_file
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If your diff version do not understand the --recursive or --context
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option, please use the GNU diffutils package which may be found on any
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GNU archive (e.g. ftp://ftp.lip6.fr/pub/gnu/).
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Note that unified diff files (-u option of GNU diff) are also welcomed.
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Unsupported users may directly send their patches and bug report via
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e-mail at the address
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polyorb-bugs@lists.adacore.com
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Please use the Problem Report Form in docs/PROBLEM-REPORT-FORM.
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Please include the complete output of "polyorb-config --version"
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in any problem report.
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If you are interested in becoming a supported PolyORB user, you should
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send an email to sales@adacore.com.
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Mailing-lists
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-------------
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The mailing-list PolyORB-Users serves as a informal forum for
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technical discussions about PolyORB among users.
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You can subscribe to this list and browse the archive at the URL:
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http://lists.adacore.com/mailman/listinfo/polyorb-users
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Contributors:
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-------------
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PolyORB has been developed since January, 1999 by the following
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contributors:
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* Nicolas Archambault
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* Fabien Azavant
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* Benjamin Bagland
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* Khaled Barbaria
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* Emmanuel Chavane
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* Karim Chine
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* Jean-Marie Cottin
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* Olivier Delalleau
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* Cyril Domercq
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* Robert Duff
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* Michael Friess
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* Nicolas Fritsch
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* Jeremy Gibbons
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* Vadim Godunko
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* Jerome Guitton
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* Jerome Hugues
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* Mejdi Kaddour
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* Fabrice Kordon
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* Narinder Kumar
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* Laurent Kubler
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* Lionel Litty
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* Vincent Niebel
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* Pascal Obry
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* Pablo Oliveira
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* Pierre Palatin
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* Bertrand Paquet
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* Laurent Pautet
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* Sebastien Ponce
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* Thomas Quinot
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* Nicolas Roche
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* Jerome Roussel
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* Selvaratnam Senthuran
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* Nicolas Setton
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* Frank Singhoff
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* Samuel Tardieu
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* Santiago Urueña-Pascual
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* Thomas Vergnaud
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* Florian Villoing
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* Guillaume Wisniewski
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* Thomas Wolf
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* Bechir Zalila
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