StephanEwen commented on a change in pull request #8895:
[FLINK-12536][Runtime/Network]Make BufferOrEventSequence#getNext non blocking
URL: https://github.com/apache/flink/pull/8895#discussion_r299346369
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/disk/iomanager/IOManager.java
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@@ -224,6 +238,8 @@ public void deleteChannel(FileIOChannel.ID channel) throws
IOException {
public abstract BufferFileReader
createBufferFileReader(FileIOChannel.ID channelID, RequestDoneCallback<Buffer>
callback) throws IOException;
+ public abstract BufferFileReader
createBufferOrEventFileReader(FileIOChannel.ID channelID,
RequestDoneCallback<Buffer> callback) throws IOException;
Review comment:
If we go forward, I would suggest to factor this out into an interface (that
is also implemented by `IOManager`) so we do not pass such a big dependency.
This component does not need to know about the IOManager as a whole if it is
only interested in this sub-functionality.
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