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From "Alexandre Patry (JIRA)" <...@uima.apache.org>
Subject [jira] [Commented] (UIMA-3303) Add a way to alias types in RUTA (e.g. "IMPORT type AS alias")
Date Wed, 02 Oct 2013 00:49:24 GMT

    [ https://issues.apache.org/jira/browse/UIMA-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13783538#comment-13783538
] 

Alexandre Patry commented on UIMA-3303:
---------------------------------------

{quote}
 The descriptor generation functionality should be moved to ruta-core since someone may want
to use this also without the workbench.
{quote}

I would like that a lot. I have started to work on a ruta-maven-plugin to do just that and
was slowed down by the dependencies of the descriptor generator on eclipse.

{quote}
Can you explain the differences between Richards syntax and your syntax to me? Sorry, I am
a bit slow on the uptake.

Why the PACKAGE? If the typesystemfile is given, then I would assume that the package within
the type system is meant. And if there is no file given, then let uimaFIT find it in the classpath.
{quote}

Blame it on the quality of my english as a second language that gets worse at night :)

There are two main differences:

* I do not like {{IMPORT * FROM <typesystem> AS <prefix>}} because a type system
can define many packages or a package that is not related to its name. It seems more natural
to me to import packages explicitly.
* {{IMPORT a.b.c AS d}} could either be _import type a.b.c as d_ or _import package a.b.c
as d_. The {{PACKAGE}} keyword disambiguate this case.

> Add a way to alias types in RUTA (e.g. "IMPORT type AS alias")
> --------------------------------------------------------------
>
>                 Key: UIMA-3303
>                 URL: https://issues.apache.org/jira/browse/UIMA-3303
>             Project: UIMA
>          Issue Type: Bug
>          Components: ruta
>            Reporter: Alexandre Patry
>            Assignee: Alexandre Patry
>
> It would be convenient to define type aliases in RUTA script.
> One scenario where it would help is when many types have the same short name:
> {noformat}
> IMPORT com.example.a.T AS TA
> IMPORT com.example.b.T AS TB
> {noformat}
> For a discussion about it, see UIMA-3292.



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