zdm/event-bus
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Replace includeSubtypes with @Polymorphic

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The new @Polymorphic annotation serves the exact same purpose as
@Event(includeSubtypes = true), but should be easier to read in complex
handler declarations. It has to be used in conjunction with the @Event
annotation, not instead of it.
This commit is contained in:
Kai S. K. Engelbart
2021-02-15 10:55:30 +01:00
parent e040f6ab1b
commit 3a6ebe9a19
7 changed files with 54 additions and 38 deletions
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5
event-bus-ap/src/main/java/dev/kske/eventbus/ap/EventProcessor.java
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@@ -73,8 +73,9 @@ public class EventProcessor extends AbstractProcessor {
getTypeMirror(IEvent.class)))
error(paramElement, "Parameter must implement IEvent");
// Check for handlers for abstract types that don't include subtypes
if (!eventAnnotation.includeSubtypes() && paramType.getKind() == TypeKind.DECLARED) {
// Check for handlers for abstract types that aren't polymorphic
if (eventHandler.getAnnotation(Polymorphic.class) == null
&& paramType.getKind() == TypeKind.DECLARED) {
var declaredElement = ((DeclaredType) paramType).asElement();
if (declaredElement.getKind() == ElementKind.INTERFACE
|| declaredElement.getModifiers().contains(Modifier.ABSTRACT))