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improve: primary to secondary index edge case for dynamic mapper changes #2246

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Feb 27, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,13 @@ public synchronized void onDelete(R resource) {
primaryResources.forEach(
primaryResource -> {
var secondaryResources = index.get(primaryResource);
secondaryResources.remove(ResourceID.fromResource(resource));
if (secondaryResources.isEmpty()) {
index.remove(primaryResource);
// this can be null in just very special cases, like when the secondaryToPrimaryMapper is
// changing dynamically
if (secondaryResources != null) {
secondaryResources.remove(ResourceID.fromResource(resource));
if (secondaryResources.isEmpty()) {
index.remove(primaryResource);
}
}
});
}
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