showuon commented on code in PR #12545:
URL: https://github.com/apache/kafka/pull/12545#discussion_r1174317140
##########
clients/src/main/java/org/apache/kafka/common/serialization/DoubleDeserializer.java:
##########
@@ -35,4 +41,22 @@ public Double deserialize(String topic, byte[] data) {
}
return Double.longBitsToDouble(value);
}
+
+ @Override
+ public Double deserialize(String topic, Headers headers, ByteBuffer data) {
+ if (data == null) {
+ return null;
+ }
+
+ if (data.remaining() != 8) {
+ throw new SerializationException("Size of data received by
DoubleDeserializer is not 8");
+ }
+
+ final ByteOrder srcOrder = data.order();
+ data.order(BIG_ENDIAN);
+
+ final double value = data.getDouble(data.position());
Review Comment:
> I use ByteBuffer.getDouble(int) instead of ByteBuffer.getDouble(),
considering that ByteBuffer.getDouble(int) does not modify the offsets of the
ByteBuffer.
I get it. We'll need the position unchanged to get the buffer size
(buffer.remaining()). Thanks for the explanation.
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