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Posted to commits@buildr.apache.org by "Ittay Dror (JIRA)" <ji...@apache.org> on 2008/10/22 09:30:44 UTC

[jira] Created: (BUILDR-184) when creating a sub project, extend it with the parent's methods

when creating a sub project, extend it with the parent's methods
----------------------------------------------------------------

                 Key: BUILDR-184
                 URL: https://issues.apache.org/jira/browse/BUILDR-184
             Project: Buildr
          Issue Type: Wish
    Affects Versions: 1.3.2
            Reporter: Ittay Dror


sometimes it is required to override methods in Project. my use case is that I'd like to override 'id' from package

i think it would be nice if i could do:
define 'base'
   def id 
      ...
   end
   define 'sub'
   end
end

so that 'sub' inherits the redifinition of id.

it will also have benefits for utility methods since it means i can just call it directly, not through 'parent' (or parent.parent in case of more level of nesting)



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[jira] Resolved: (BUILDR-184) when creating a sub project, extend it with the parent's methods

Posted by "Alex Boisvert (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/BUILDR-184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Boisvert resolved BUILDR-184.
----------------------------------

    Resolution: Won't Fix

I tend to agree here; I'm not sure inheritance is a good default and there's already good mechanisms in Ruby/Buildr to make this painless where needed.

> when creating a sub project, extend it with the parent's methods
> ----------------------------------------------------------------
>
>                 Key: BUILDR-184
>                 URL: https://issues.apache.org/jira/browse/BUILDR-184
>             Project: Buildr
>          Issue Type: Wish
>    Affects Versions: 1.3.2
>            Reporter: Ittay Dror
>
> sometimes it is required to override methods in Project. my use case is that I'd like to override 'id' from package
> i think it would be nice if i could do:
> define 'base'
>    def id 
>       ...
>    end
>    define 'sub'
>    end
> end
> so that 'sub' inherits the redifinition of id.
> it will also have benefits for utility methods since it means i can just call it directly, not through 'parent' (or parent.parent in case of more level of nesting)

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[jira] Commented: (BUILDR-184) when creating a sub project, extend it with the parent's methods

Posted by "Antoine Toulme (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/BUILDR-184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839386#action_12839386 ] 

Antoine Toulme commented on BUILDR-184:
---------------------------------------

Better use the flexibility and power of Ruby: define whatever changes you want to make to the project in a separate module, and then extend the project with it:


module IdRedefinition

  def id
   ...
  end
end

define 'foo' do
  extend IdRedefinition
  define 'sub' do
    extend IdRedefinition
  end
  define 'bar' do
  end
end

See that bar this way isn't using this special id method.

If you'd like all projects in the file to use the module, then you can use the Extension mechanism and include it in Project.



> when creating a sub project, extend it with the parent's methods
> ----------------------------------------------------------------
>
>                 Key: BUILDR-184
>                 URL: https://issues.apache.org/jira/browse/BUILDR-184
>             Project: Buildr
>          Issue Type: Wish
>    Affects Versions: 1.3.2
>            Reporter: Ittay Dror
>
> sometimes it is required to override methods in Project. my use case is that I'd like to override 'id' from package
> i think it would be nice if i could do:
> define 'base'
>    def id 
>       ...
>    end
>    define 'sub'
>    end
> end
> so that 'sub' inherits the redifinition of id.
> it will also have benefits for utility methods since it means i can just call it directly, not through 'parent' (or parent.parent in case of more level of nesting)

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You can reply to this email to add a comment to the issue online.