kennknowles commented on code in PR #29689:
URL: https://github.com/apache/beam/pull/29689#discussion_r2029146440
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sdks/java/core/src/main/java/org/apache/beam/sdk/util/VarInt.java:
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@@ -42,13 +42,61 @@ public static void encode(int v, OutputStream stream)
throws IOException {
/** Encodes the given value onto the stream. */
public static void encode(long v, OutputStream stream) throws IOException {
- do {
- // Encode next 7 bits + terminator bit
- long bits = v & 0x7F;
- v >>>= 7;
- byte b = (byte) (bits | ((v != 0) ? 0x80 : 0));
- stream.write(b);
- } while (v != 0);
+ if ((v & ~0x7F) == 0) {
Review Comment:
I happen to be browsing the history, and this sort of change really needs a
comment so that someone landing on it knows the details of the decision, such
as a summary or even a link to the numbers in this PR.
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