smiklosovic commented on code in PR #2046:
URL: https://github.com/apache/cassandra/pull/2046#discussion_r1053356340
##########
src/java/org/apache/cassandra/config/DatabaseDescriptor.java:
##########
@@ -1747,10 +1767,10 @@ public static InetAddressAndPort getReplaceAddress()
{
try
{
- if (System.getProperty(Config.PROPERTY_PREFIX + "replace_address",
null) != null)
- return
InetAddressAndPort.getByName(System.getProperty(Config.PROPERTY_PREFIX +
"replace_address", null));
- else if (System.getProperty(Config.PROPERTY_PREFIX +
"replace_address_first_boot", null) != null)
- return
InetAddressAndPort.getByName(System.getProperty(Config.PROPERTY_PREFIX +
"replace_address_first_boot", null));
+ if (REPLACE_ADDRESS.getString(null) != null)
Review Comment:
is not `getString(null)` redundant here? The same behavior is achieved with
`getString()` as `null` is default anyway. Another option is to do
`REPLACE_ADDRESS("cassandra.replace_address", null)` but why would one do it,
right?
I would also rework this like:
````
String replaceAddress = REPLACE_ADDRESS.getString();
if (replaceAddress != null)
return InetAddressAndPort.getByName(replaceAddress);
String replaceAddressFirstBoot = REPLACE_ADDRESS_FIRST_BOOT.getString();
if (replaceAddressFirstBoot != null)
return InetAddressAndPort.getByName(replaceAddressFirstBoot);
return null;
````
The current (and previous) code is resolving properties in the worst case
three times. That is not necessary. With this way of doing that we resolve it
once or at most twice.
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