New page: Micronaut ([http://Micronaut.io Micronaut.io]) brings compile time annotations to enterprise Java programmers. That's great! I love annotations, especially the compile time on...
New page
[[Micronaut]] ([http://Micronaut.io Micronaut.io]) brings compile time [[annotations]] to enterprise Java programmers. That's great!
I love [[annotations]], especially the compile time ones. It helped [[NetBeans]] tremendously - originally we were using [[XML]] based registration (e.g. ''layer.xml''), but that was very error-prone. We switched to [[CompileTimeCache|compile time caching]] and the usability increased a lot. [[I]] have even called year 2009 the "year of annotations" in an [[TheYearOfAnnotations2009|API Design podcast]].
[[Image:Apitip06-year-of-annotations.mp3]]
I participated in [[DSL]] vs. [[Annotation]] Shootout with [[RichUnger]] from Salesforge at [[JavaOne]] 2010. First of all we had to agree what a [[DSL]] means - and we concluded that [[annotation]]s are a great way to create '''embedded DSL''' in [[Java]]. Rich was defending their APEX programming language (which integrates well with DB) and [[I]] was defending [[annotation]]s. In order to win the shootout I had to invent [[LiveDB]] - with that project your database schema becomes part of your [[Java]] sources. You can access the DB rows in a completely type-safe way. Once you change your schema (remove a column), your Java build fails and gives you an early warning.
For a long time I was sad to see that [[JavaEE]] only relies on runtime [[annotation]]s. When [http://Micronaut.io Micronaut] appeared, I was really glad that the beauty of compile time [[annotation]]s is finally spreading to the enterprise Java applications.
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