Replace CDI Portable Extension in Quarkiverse Plugin

[Melloware]

Hello!  I am adding the Quarkus OmniFaces support however it has an annotation called @Eager which will eagerly load a bean on Startup like...

@Eager
@ApplicationScoped
@Named
public class ShowcaseCacheProvider {

However as you know CDI portable extensions are not supported so I need to rewrite this extension to be "Quarkified" in my plugin.  

Docs: https://showcase.omnifaces.org/cdi/Eager

Source Code: https://github.com/omnifaces/omnifaces/blob/3.x/src/main/java/org/omnifaces/cdi/eager/EagerExtension.java

Any hints or example code to look at to basically do this same functionality in the Quarkus plugin would be great!

Thanks,

   Mello

[George Gastaldi]

This may help: https://quarkus.io/guides/cdi-reference#eager-instantiation-of-beans

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[Melloware]

Excellent I think I can just find a way to map all those Eager beans to the Quarkus Startup type!

[George Gastaldi]

This may help too: https://github.com/quarkusio/quarkus/blob/main/extensions/arc/deployment/src/main/java/io/quarkus/arc/deployment/AnnotationsTransformerBuildItem.java 😉

[Melloware]

You are my hero that did the trick!

@BuildStep
AnnotationsTransformerBuildItem transformBeanScope(BeanArchiveIndexBuildItem index,
        CustomScopeAnnotationsBuildItem scopes) {
    return new AnnotationsTransformerBuildItem(new AnnotationsTransformer() {
        @Override
        public boolean appliesTo(AnnotationTarget.Kind kind) {
            return kind == org.jboss.jandex.AnnotationTarget.Kind.CLASS;
        }

        @Override
        public void transform(AnnotationsTransformer.TransformationContext ctx) {
            if (ctx.isClass()) {
                ClassInfo clazz = ctx.getTarget().asClass();
                Map<DotName, List<AnnotationInstance>> annotations = clazz.annotationsMap();
                if (annotations.containsKey(OMNIFACES_STARTUP)) {
                    LOGGER.infof("OmniFaces found @%s annotations on a class %s - adding @ApplicationScoped",
                            OMNIFACES_STARTUP, ctx.getTarget());
                    ctx.transform().add(ApplicationScoped.class).done();
                }
                if (annotations.containsKey(OMNIFACES_EAGER) || annotations.containsKey(OMNIFACES_STARTUP)) {
                    LOGGER.infof("OmniFaces found @Eager annotations on a class %s - adding @io.quarkus.runtime.Startup",
                            ctx.getTarget());
                    ctx.transform().add(io.quarkus.runtime.Startup.class).done();
                }
            }
        }
    });
}

On 8/27/2022 2:54 PM, George Gastaldi wrote:

This may help too: https://github.com/quarkusio/quarkus/blob/main/extensions/arc/deployment/src/main/java/io/quarkus/arc/deployment/AnnotationsTransformerBuildItem.java 😉