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-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java9
1 files changed, 5 insertions, 4 deletions
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java
index 31c200a..bf26b71 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java
@@ -90,15 +90,16 @@ public class RuleAllocator {
return;
}
- if (legacyEngineInstances.size() < numOfEngines) {
- //extend
+ if (legacyEngineInstances.size() < numOfEngines) { // extend
List<CorrelationRule> rules2Allocate = calculateRule(legacyEngineInstances, numOfEngines);
List<CorrelationRule> rules2Delete = copyList(rules2Allocate);
List<String> newInstanceIds = sortOutNewEngineInstances(engines, legacyEngineInstances);
distributeRules(newInstanceIds, rules2Allocate);
cleanUpRulesFromEngines(rules2Delete, legacyEngineInstances);
- } else {
- //destroy
+ } else { // destroy
+ // If new engine instances share the same IP addresses with the old ones, the
+ // rule management module will simply leave the them to cope with the legacy rules.
+ // Here, it only takes care of the rules that need to be moved from one IP address to another.
List<String> destroyed = getDestroyedEngines(engines, legacyEngineInstances);
distributeRules(getRemainingEngines(engines, destroyed), getRules(destroyed));
}