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https://issues.apache.org/jira/browse/CMIS-936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrice Collardez updated CMIS-936:
-----------------------------------
    Attachment: virtual-public-api.patch

Proposed patch for the public API

> The public API should be declared virtual
> -----------------------------------------
>
>                 Key: CMIS-936
>                 URL: https://issues.apache.org/jira/browse/CMIS-936
>             Project: Chemistry
>          Issue Type: Improvement
>          Components: dotcmis
>    Affects Versions: DotCMIS 0.6, DotCMIS 0.7
>         Environment: Windows 7, DotNet 3.5
>            Reporter: Patrice Collardez
>         Attachments: virtual-public-api.patch
>
>
> The public API of DotCMIS is not completely declared virtual, and it prevents 
> the polymorphism to work as expected, especially when creating a new 
> ObjectFactory and specialized objects.
> Long explanation:
> With Java, every method is implicitly declared virtual, therefore overriding 
> a method in a subclass is as simple as a redeclaration and the polymorphism 
> works as intended whatever the cast of the subclass to any of its parent 
> class or interface.
> With C#, every method is not declared virtual, therefore redeclaring a method 
> in a subclass does not make the polymorphism works: the first declaration of 
> the method is used considering the cast level in the inheritance graph.
> In order to have the same behavior with C# as the one we have with Java, 
> every method should be declared "virtual" and every redeclaration should be 
> declared "override".



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