zstan commented on code in PR #13220:
URL: https://github.com/apache/ignite/pull/13220#discussion_r3378023453
##########
modules/codegen/src/main/java/org/apache/ignite/internal/MessageProcessor.java:
##########
@@ -146,6 +151,34 @@ public class MessageProcessor extends AbstractProcessor {
return true;
}
+ /** */
+ private boolean checkConstructors(TypeElement clazz) {
+ boolean isMarshallableMsg = isAssignable(
+ clazz.asType(),
+
processingEnv.getElementUtils().getTypeElement("org.apache.ignite.internal.MarshallableMessage")
+ );
+
+ for (Element el : clazz.getEnclosedElements()) {
+ if (el.getKind() != ElementKind.CONSTRUCTOR)
+ continue;
+
+ ExecutableElement c = (ExecutableElement)el;
+
+ boolean isDfltConstructor = F.isEmpty(c.getParameters());
+
+ if (isDfltConstructor && !isMarshallableMsg)
+ return true;
+ }
+
+ processingEnv.getMessager().printMessage(
+ Diagnostic.Kind.ERROR,
+ "Class must have default constructor: " + clazz.getQualifiedName(),
Review Comment:
```suggestion
"A class must have a default constructor: " +
clazz.getQualifiedName(),
```
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