aweisberg commented on code in PR #3694:
URL: https://github.com/apache/cassandra/pull/3694#discussion_r1848850613
##########
src/java/org/apache/cassandra/service/accord/api/AccordRoutingKey.java:
##########
@@ -318,6 +319,119 @@ public long serializedSize(TokenKey key, int version)
}
}
+ // Allows the creation of a Range that is begin inclusive or end exclusive
for a given Token
+ public static final class MinTokenKey extends TokenKey
+ {
+ private static final long EMPTY_SIZE;
+
+ @Override
+ public Range asRange()
+ {
+ AccordRoutingKey before = token.isMinimum()
+ ? new SentinelKey(table, true)
+ : new MinTokenKey(table,
token.decreaseSlightly());
+
+ return new TokenRange(before, this);
+ }
+
+ static
+ {
+ EMPTY_SIZE = ObjectSizes.measure(new MinTokenKey(null, null));
+ }
+
+ public MinTokenKey(TableId tableId, Token token)
+ {
+ super(tableId, token);
+ }
+
+ public MinTokenKey withToken(Token token)
+ {
+ return new MinTokenKey(table, token);
+ }
+
+ @Override
+ public Token token()
+ {
+ return token;
+ }
+
+ @Override
+ public RoutingKeyKind kindOfRoutingKey()
+ {
+ return RoutingKeyKind.MIN_TOKEN;
+ }
+
+ @Override
+ public String suffix()
+ {
+ return token.toString();
+ }
+
+ public long estimatedSizeOnHeap()
+ {
+ return EMPTY_SIZE + token().getHeapSize();
+ }
+
+ public AccordRoutingKey withTable(TableId table)
+ {
+ return new MinTokenKey(table, token);
+ }
+
+ public static final MinTokenKey.Serializer serializer = new
MinTokenKey.Serializer();
+ public static class Serializer implements
AccordKeySerializer<MinTokenKey>
Review Comment:
I didn't extend because it seemed like it was different enough from a
`TokenKey` that having it pass `instance` checks would be misleading and it
also makes overriding methods that need to be different tricky.
I'll update them to share a serializer.
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