Re: Compayler

Nice approach. :)

Why the name compayler? Something to do with compiler?

A Vaadin site :) I like Vaadin very much.

See you, Klaus.


On Sun, Jan 5, 2014 at 1:02 AM, Christian Stein <[email protected]> wrote:

> ...or just another facade/decorator generator for Prevayler.
>
> Hallo zusammen!
>
> It'd be great, if you test-drived the http://compayler.sormuras.de (beta)
> tool:
>
>    - Feed it some source code, preferably with an interface definition.
>    (e.g. Appendable.java<http://grepcode.com/file_/repository.grepcode.com/java/root/jdk/openjdk/7-b147/java/lang/Appendable.java/?v=source>
>    )
>    - Select the configuration tab and verify the name of the interface.
>    - Switch to the result tab and copy the output to your IDE of choice.
>
> Does the tool produce an error? Or not compiling code?
>
> Result usage example demonstrating the pros of a decorated prevalent
> system:
>
>   public void testAppendable(Appendable appendable) throws Exception {
>     appendable.append('a').append("b").append("abc", 2, 3);
>   }
>
>   @Test
>   public void testAppendableGenerated() throws Exception {
>     // pojo
>     Appendable appendable = new StringBuilder();
>     testAppendable(appendable);
>     assertEquals("abc", appendable.toString());
>
>     // decorated
>     appendable = new StringBuilder();
>     Prevayler<Appendable> prevayler =
> PrevaylerFactory.createTransientPrevayler(appendable);
>     try (AppendableDecorator decorator = new
> AppendableDecorator(prevayler)) {
>       testAppendable(decorator);
>     }
>     assertEquals("abc", appendable.toString());
>   }
>
> The main difference between PrevaylerTransactionsFacade<https://github.com/jsampson/prevayler/tree/master/extras/facade/src/main/java/org/prevayler/contrib/facade> and
> Compayler is that Compayler produces Java source code. Which can be
> tweaked, pre-compiled or even compiled on-the-fly. Therefore, there's no
> reflection/invokedynamic overhead at runtime.
>
> Compayler sources and issue tracker are here:
> https://github.com/sormuras/compayler
>
> Cheers,
> Christian
>
>
>
>
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>


-- 
Valeu, Klaus.

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