mytang0 commented on code in PR #11770:
URL: https://github.com/apache/dubbo/pull/11770#discussion_r1135174149
##########
dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/call/BiStreamServerCallListener.java:
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@@ -27,24 +27,32 @@ public class BiStreamServerCallListener extends
AbstractServerCallListener {
private StreamObserver<Object> requestObserver;
- public BiStreamServerCallListener(RpcInvocation invocation, Invoker<?>
invoker,
- ServerCallToObserverAdapter<Object> responseObserver) {
+ public BiStreamServerCallListener(RpcInvocation invocation,
+ Invoker<?> invoker,
+ ServerCallToObserverAdapter<Object>
responseObserver) {
super(invocation, invoker, responseObserver);
invocation.setArguments(new Object[]{responseObserver});
invoke();
}
@Override
+ @SuppressWarnings("unchecked")
public void onReturn(Object value) {
- this.requestObserver = (StreamObserver<Object>) value;
+ if (value instanceof Throwable) {
+ responseObserver.onError((Throwable) value);
+ } else if (value instanceof StreamObserver) {
+ this.requestObserver = (StreamObserver<Object>) value;
+ }
}
@Override
public void onMessage(Object message) {
if (message instanceof Object[]) {
message = ((Object[]) message)[0];
}
- requestObserver.onNext(message);
+ if (requestObserver != null) {
Review Comment:
Yes, just bounds checked.
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