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classads

Condor's classified advertisement language

Classified Advertisements (classads) are the lingua franca of Condor. They are used for describing jobs, workstations, and other resources. They are exchanged by Condor processes to schedule jobs. They are logged to files for statistical and debugging purposes. They are used to enquire about current state of the system.

A classad is a mapping from attribute names to expressions. In the simplest cases, the expressions are simple constants (integer, floating point, or string). A classad is thus a form of property list. Attribute expressions can also be more complicated. There is a protocol for evaluating an attribute expression of a classad vis a vis another ad. For example, the expression "other.size > 3" in one ad evaluates to true if the other ad has an attribute named size and the value of that attribute is (or evaluates to) an integer greater than three. Two classads match if each ad has an attribute requirements that evaluates to true in the context of the other ad. Classad matching is used by the Condor central manager to determine the compatibility of jobs and workstations where they may be run.

Homepage:
Package version:1.0.8
Architecture:ppc
Distribution:Fedora
Filename:classads-1.0.8-1.el4.ppc.rpm

/usr/share/doc/classads-1.0.8/README

This is version 1.0.8 of the Condor Classad library, released on 2010-06-10.

===== What is it? =====

Classified Advertisements (or ClassAds) are the lingua franca of
Condor. (You can learn more about Condor at our web page:
<http://www.cs.wisc.edu/condor/>.) They are used for describing jobs,
workstations, and other resources. They are exchanged by Condor
processes to schedule jobs. They are log
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/usr/share/doc/classads-1.0.8/CHANGELOG

Changes for version 1.0.8 (Released 2010-06-10)
* Set a version (1.0.0) on the .so (thanks Steve Traylen)
* Updated ClassAdLibraryVersion to 1.0.8 (was 1.0.4)

Changes for version 1.0.7 (Released 2010-05-26)
* Fix parsing of strings containing characters with negative ASCII values.
* Stop escaping '?' in strings when unparsing.
* Added _useOldClassAdSemantics, which makes expression evaluation beh
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/usr/share/doc/classads-1.0.8/LICENSE-2.0.txt

                              Apache License
                        Version 2.0, January 2004
                     http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

   "License" shall mean the terms and conditions for use, reproduction,
   and distribution as defined by Sections 1 through 9 of this document.

   "Licensor" shall mean t
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