mattisonchao commented on code in PR #4140:
URL: https://github.com/apache/bookkeeper/pull/4140#discussion_r1413011536
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circe-checksum/src/main/java/com/scurrilous/circe/checksum/Java9IntHash.java:
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@@ -106,14 +107,22 @@ public int resume(int current, ByteBuf buffer, int
offset, int len) {
} else if (buffer.hasArray()) {
int arrayOffset = buffer.arrayOffset() + offset;
negCrc = resume(negCrc, buffer.array(), arrayOffset, len);
+ } else if (buffer instanceof CompositeByteBuf) {
+ CompositeByteBuf compositeByteBuf = (CompositeByteBuf) buffer;
+ for (int i = 0; i < compositeByteBuf.numComponents(); i ++) {
+ negCrc = resume(~negCrc, compositeByteBuf.component(i));
Review Comment:
Why negate `negCrc` here? do we have any compatibility issues with old
data?
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