Adam Jacobs created JENA-1495:
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Summary: Covariant return type for Model's PrefixMapping methods.
Key: JENA-1495
URL: https://issues.apache.org/jira/browse/JENA-1495
Project: Apache Jena
Issue Type: Improvement
Components: Core
Affects Versions: Jena 3.6.0
Reporter: Adam Jacobs
The {{Model}} interface inherits several methods from {{PrefixMapping}} which
return {{this}}.
The return type of these methods can be refined to allow call chaining with
the {{Model}} object.
There appear to be two concrete implementations of {{Model}} which override the
{{PrefixMapping}} methods: {{ModelCom}} and {{SecuredModelImpl}}. Steps to add
covariant return types for prefix mapping are as follows.
Add these six methods to the Model interface.
# Model setNsPrefix( String prefix, String uri );
# Model removeNsPrefix( String prefix );
# Model clearNsPrefixMap();
# Model setNsPrefixes( PrefixMapping other );
# Model setNsPrefixes( Map<String, String> map );
# Model withDefaultMappings( PrefixMapping map );
...and update ModelCom accordingly.
Add these six methods to the SecuredModel interface.
# SecuredModel setNsPrefix( String prefix, String uri );
# SecuredModel removeNsPrefix( String prefix ); // This method is already
defined.
# SecuredModel clearNsPrefixMap();
# SecuredModel setNsPrefixes( PrefixMapping other );
# SecuredModel setNsPrefixes( Map<String, String> map );
# SecuredModel withDefaultMappings( PrefixMapping map );
...and update SecuredModelImpl accordingly.
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