[GitHub] flink pull request #4552: [FLINK-7456][network] Implement Netty sender incom...

[NicoK]

Github user NicoK commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4552#discussion_r161295951
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SpillableSubpartitionView.java
 ---
    @@ -199,6 +199,19 @@ public boolean isReleased() {
                }
        }
     
    +   @Override
    +   public boolean nextBufferIsEvent() {
    +           if (nextBuffer != null) {
    +                   return !nextBuffer.isBuffer();
    +           }
    +
    +           if (spilledView != null) {
    --- End diff --
    
    `checkState(spilledView != null, "No in-memory buffers available, but also 
nothing spilled.");` just like in `getNextBuffer()`?


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