mivanac commented on a change in pull request #6013:
URL: https://github.com/apache/geode/pull/6013#discussion_r577072869
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File path:
geode-wan/src/main/java/org/apache/geode/cache/client/internal/locator/wan/LocatorHelper.java
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@@ -46,13 +47,42 @@ public static boolean addLocator(int distributedSystemId,
DistributionLocatorId
Set<DistributionLocatorId> existingValue =
allLocatorsInfo.putIfAbsent(distributedSystemId, locatorsSet);
if (existingValue != null) {
- if (!existingValue.contains(locator)) {
+ if (!locator.getMemberName().equals(DistributionConfig.DEFAULT_NAME)) {
+ DistributionLocatorId existingLocator =
+ getLocatorWithSameMemberName(existingValue, locator);
+
+ if (existingLocator != null) {
+ // if locator with same name exist, check did all parameters are same
+ if (!locator.detailCompare(existingLocator)) {
+ // some parameters had changed for existing locator
+ // replace it
+ existingValue.remove(existingLocator);
+ ConcurrentHashMap<Integer, Set<String>> allServerLocatorsInfo =
+ (ConcurrentHashMap<Integer, Set<String>>) locatorListener
+ .getAllServerLocatorsInfo();
+ Set<String> alllocators =
allServerLocatorsInfo.get(distributedSystemId);
+ alllocators.remove(existingLocator.toString());
+ existingValue.add(locator);
+ addServerLocator(distributedSystemId, locatorListener, locator);
+ locatorListener.locatorJoined(distributedSystemId, locator,
sourceLocator);
+ return true;
+ }
+ return false;
+ }
existingValue.add(locator);
Review comment:
Main logic is that member name is main parameter, and if it does not
exist, then we apply existing logic.
This is the way we can determine that existing locator has change host[port].
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