List of usage examples for org.springframework.messaging.handler.invocation HandlerMethodReturnValueHandler interface-usage
From source file org.springframework.messaging.simp.annotation.support.SubscriptionMethodReturnValueHandler.java
/**
* {@code HandlerMethodReturnValueHandler} for replying directly to a
* subscription. It is supported on methods annotated with
* {@link org.springframework.messaging.simp.annotation.SubscribeMapping
* SubscribeMapping} such that the return value is treated as a response to be
* sent directly back on the session. This allows a client to implement