Myasuka commented on a change in pull request #18391:
URL: https://github.com/apache/flink/pull/18391#discussion_r792406221
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/changelog/ChangelogStateBackendHandle.java
##########
@@ -130,14 +155,51 @@ public String toString() {
keyGroupRange, materialized.size(),
nonMaterialized.size());
}
- private static Closeable asCloseable(KeyedStateHandle h) {
- return () -> {
- try {
- h.discardState();
- } catch (Exception e) {
- ExceptionUtils.rethrowIOException(e);
+ private static class StreamStateHandleWrapper implements
StreamStateHandle {
+ private static final long serialVersionUID = 1L;
+
+ private final KeyedStateHandle keyedStateHandle;
+
+ StreamStateHandleWrapper(KeyedStateHandle keyedStateHandle) {
+ this.keyedStateHandle = keyedStateHandle;
+ }
+
+ @Override
+ public void discardState() throws Exception {
+ keyedStateHandle.discardState();
+ }
+
+ @Override
+ public long getStateSize() {
+ return keyedStateHandle.getStateSize();
+ }
+
+ @Override
+ public FSDataInputStream openInputStream() throws IOException {
+ throw new UnsupportedOperationException("Should not call
here.");
+ }
+
+ @Override
+ public Optional<byte[]> asBytesIfInMemory() {
+ throw new UnsupportedOperationException("Should not call
here.");
+ }
Review comment:
The returned `StreamStateHandle` would only be used in
`IncrementalRemoteKeyedStateHandle`, which is safe here to just add such
wrapper.
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