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From "Martin Desruisseaux (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SIS-116) Support gco:uuid and href on primitive types
Date Mon, 05 Aug 2013 11:08:51 GMT
Martin Desruisseaux created SIS-116:
---------------------------------------

             Summary: Support gco:uuid and href on primitive types
                 Key: SIS-116
                 URL: https://issues.apache.org/jira/browse/SIS-116
             Project: Spatial Information Systems
          Issue Type: Improvement
          Components: Metadata
    Affects Versions: 0.3
            Reporter: Martin Desruisseaux
            Priority: Minor


Metadata objects can specified {{gco:uuid}}, {{xlink:href}} and similar attributes by implementing
the {{org.apache.sis.xml.IdentifiedObject}} interface. However we can not do that for JDK
final classes like {{Integer}} and {{String}}. This is a problem similar to the one described
in SIS-115 ({{NilReason}} for primitive types) and may be solved in a similar way. We have
not yet solved this problem because the use case for {{gco:uuid}} or {{xlink:href}} attributes
on elements as small as {{Integer}} or {{String}} are unclear at this stage.

If nevertheless the above-cited support for identifiers is needed, then we could proceed as
below:

* In {{org.apache.sis.internal.jaxb.gco.PropertyType}}, complete the {{PropertyType(BoundType
value, boolean mayBeNil)}} constructor in order to check for {{XLink}} and {{UUID}} in addition
to {{NilReason}}.
* Search usages of the above constructor. Conditions like {{value.intValue() == 0}} may need
to be removed.
* We may need to provide a special implementation of {{org.apache.sis.xml.IdentifierMap}}
which delegate its work to the {{org.apache.sis.internal.jaxb.PrimitiveTypeProperties}} static
methods.
* We may need to provide some static method (location to be determined) returning an {{IdentifierMap}}
for a given {{Object}}, something similar to what we currently have in {{NilReason.forObject(Object)}}.


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