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From "Martin Desruisseaux (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SIS-87) Provide copy constructors in metadata objects
Date Thu, 18 Apr 2013 17:17:19 GMT

     [ https://issues.apache.org/jira/browse/SIS-87?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Desruisseaux resolved SIS-87.
------------------------------------

    Resolution: Fixed

Done, except for the refactoring of {{shallowCopy}} method as an {{append}} method. This task
is a kind of extra compared to the main scope of current issue.
                
> Provide copy constructors in metadata objects
> ---------------------------------------------
>
>                 Key: SIS-87
>                 URL: https://issues.apache.org/jira/browse/SIS-87
>             Project: Spatial Information Systems
>          Issue Type: Improvement
>          Components: Metadata
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>             Fix For: 0.3
>
>
> Every subclass of {{ISOMetadata}} should provide a copy constructor. Problem is that
those copy constructors are very tedious to write. The {{shallowCopy(Object)}} method working
with Java reflection has been created for making that easier. However {{shallowCopy}} can
not be invoked from the constructor (actually it can, but this is dangerous because {{shallowCopy}}
invokes in turn overrideable methods before the subclasses have been initialized).
> This task can be subdivided in the following sub-tasks:
> * Write a small program generating most of the copy constructor code automatically.
> * Write a small program generating most of the test code automatically (probably the
same program in a modified form).
> * Update all {{castOrCopy}} methods to use the new copy constructor.
> * Transform the {{shallowCopy}} method into an {{append}} method, which may be more
useful. The difference would be that new items are added into existing collections instead
than overwriting the previous ones.

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