merlimat commented on a change in pull request #9255:
URL: https://github.com/apache/pulsar/pull/9255#discussion_r562052611
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File path:
pulsar-common/src/main/java/org/apache/pulsar/common/protocol/Commands.java
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@@ -1660,6 +1661,26 @@ public static MessageMetadata
peekMessageMetadata(ByteBuf metadataAndPayload, St
}
}
+ public static final String NONE_KEY = "NONE_KEY";
+ public static byte[] peekStickyKey(ByteBuf metadataAndPayload, String
topic, String subscription) {
+ try {
+ int readerIdx = metadataAndPayload.readerIndex();
+ skipBrokerEntryMetadataIfExist(metadataAndPayload);
+ MessageMetadata metadata =
Commands.parseMessageMetadata(metadataAndPayload);
+ metadataAndPayload.readerIndex(readerIdx);
+ byte[] key = NONE_KEY.getBytes();
Review comment:
If there is no key, instead of calling `getBytes()` each time, we should
just keep a static ref to the `byte[]`
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