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From "Daniel Spicar (Assigned) (JIRA)" <>
Subject [jira] [Assigned] (CLEREZZA-670) Integer MAX/MIN value overflow in Comparator of the RDF JSON serializer
Date Mon, 23 Jan 2012 15:23:48 GMT


Daniel Spicar reassigned CLEREZZA-670:

    Assignee: Daniel Spicar
> Integer MAX/MIN value overflow in Comparator of the RDF JSON serializer
> -----------------------------------------------------------------------
>                 Key: CLEREZZA-670
>                 URL:
>             Project: Clerezza
>          Issue Type: Bug
>          Components: rdf.serialize
>            Reporter: Rupert Westenthaler
>            Assignee: Daniel Spicar
>              Labels: rdf/json
>         Attachments: CLEREZZA-670_rdf.rdfjson.int_value_overflow_and_wrong_datatypes_in_parser,
> The implementation of the SUBJECT_COMPARATOR within the RdfJsonSerializingProvider sometimes
encounters an int MAX/MIN value overflow.
> In such cases the compare method erroneously returns an 
>  * negative value - on a max value overflow or an
>  * positive value - on a min value overflow.
> what causes the Triple array used for the serialization not being correctly sorted. In
such cases subjects do appear multiple times within the generated json output.
> To solve this one needs to replace the substraction of "hashA" from "hashB" with a boolean
check that returns a -1/+1.

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