sjvanrossum commented on code in PR #34764:
URL: https://github.com/apache/beam/pull/34764#discussion_r2065980914
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sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/windowing/PaneInfo.java:
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@@ -360,7 +387,8 @@ public PaneInfo decode(final InputStream inStream) throws
CoderException, IOExce
byte keyAndTag = (byte) inStream.read();
PaneInfo base = Preconditions.checkNotNull(BYTE_TO_PANE_INFO.get((byte)
(keyAndTag & 0x0F)));
long index, onTimeIndex;
- switch (Encoding.fromTag(keyAndTag)) {
+ boolean elementMetadata = (keyAndTag & 0x80) > 0;
+ switch (Encoding.fromTag((byte) (keyAndTag & 0x7F))) {
Review Comment:
Feel free to ignore my codegolfing...
```suggestion
boolean elementMetadata = keyAndTag < (keyAndTag &= 0x7f);
switch (Encoding.fromTag(keyAndTag) {
```
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