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Recognize Kotlin coroutines in isAsyncVoidReturnType

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This commit makes sure that Kotlin coroutines are correctly identified
by InvocableHandlerMethod::isAsyncVoidReturnType.

Closes gh-26829
This commit is contained in:
Arjen Poutsma
2022-05-19 13:33:17 +02:00
parent aa8802a81d
commit c55606ed08
1 changed files with 9 additions and 7 deletions
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16
spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/reactive/InvocableHandlerMethod.java
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@@ -205,15 +205,17 @@ public class InvocableHandlerMethod extends HandlerMethod {
if (reactiveAdapter.isNoValue()) {
return true;
}
Type parameterType = returnType.getGenericParameterType();
if (parameterType instanceof ParameterizedType) {
ParameterizedType type = (ParameterizedType) parameterType;
if (type.getActualTypeArguments().length == 1) {
return Void.class.equals(type.getActualTypeArguments()[0]);
}
}
Type parameterType = returnType.getGenericParameterType();
if (parameterType instanceof ParameterizedType) {
ParameterizedType type = (ParameterizedType) parameterType;
if (type.getActualTypeArguments().length == 1) {
return Void.class.equals(type.getActualTypeArguments()[0]);
}
}
return false;
Method method = returnType.getMethod();
return method != null && KotlinDetector.isSuspendingFunction(method) &&
Void.TYPE.equals(returnType.getParameterType());
}
}