Skip to content

fix: NPE in external resource caching event source when only a generic filter is set #3518

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
csviri merged 2 commits into from
Aug 3, 2026
Merged

fix: NPE in external resource caching event source when only a generic filter is set #3518

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d55211f
fix: NPE in external resource caching event source when only a generi…
csviri Jul 29, 2026
1a97b9d
typo
csviri Aug 3, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 17 additions & 5 deletions .../javaoperatorsdk/operator/processing/event/source/ExternalResourceCachingEventSource.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,7 @@ private boolean acceptedByFiler(Map<ID, R> cachedResourceMap, Map<ID, R> newReso
if (onAddFilter != null || genericFilter != null) {
var anyAddAccepted =
addedResources.values().stream()
.anyMatch(r -> acceptedByGenericFiler(r) && onAddFilter.accept(r));
.anyMatch(r -> acceptedByGenericFilter(r) && acceptedByOnAddFilter(r));
if (anyAddAccepted) {
return true;
}
Expand All @@ -176,7 +176,7 @@ private boolean acceptedByFiler(Map<ID, R> cachedResourceMap, Map<ID, R> newReso
if (onDeleteFilter != null || genericFilter != null) {
var anyDeleteAccepted =
deletedResource.values().stream()
.anyMatch(r -> acceptedByGenericFiler(r) && onDeleteFilter.accept(r, false));
.anyMatch(r -> acceptedByGenericFilter(r) && acceptedByOnDeleteFilter(r));
if (anyDeleteAccepted) {
return true;
}
Expand All @@ -196,13 +196,25 @@ private boolean acceptedByFiler(Map<ID, R> cachedResourceMap, Map<ID, R> newReso
.anyMatch(
entry -> {
var newResource = newResourcesMap.get(entry.getKey());
return acceptedByGenericFiler(newResource)
&& onUpdateFilter.accept(newResource, entry.getValue());
return acceptedByGenericFilter(newResource)
&& acceptedByOnUpdateFilter(newResource, entry.getValue());
});
} else return !possibleUpdatedResources.isEmpty();
}

private boolean acceptedByGenericFiler(R resource) {
private boolean acceptedByOnAddFilter(R resource) {
return onAddFilter == null || onAddFilter.accept(resource);
}

private boolean acceptedByOnDeleteFilter(R resource) {
return onDeleteFilter == null || onDeleteFilter.accept(resource, false);
}

private boolean acceptedByOnUpdateFilter(R newResource, R oldResource) {
return onUpdateFilter == null || onUpdateFilter.accept(newResource, oldResource);
}

private boolean acceptedByGenericFilter(R resource) {
return genericFilter == null || genericFilter.accept(resource);
}

Expand Down
37 changes: 37 additions & 0 deletions ...aoperatorsdk/operator/processing/event/source/ExternalResourceCachingEventSourceTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,43 @@ void genericFilteringEvents() {
verify(eventHandler, times(0)).handleEvent(any());
}

@Test
void onlyGenericFilterSetDoesNotFailOnAdd() {
var eventSource = new TestExternalCachingEventSource();
eventSource.setGenericFilter(res -> true);
setUpSource(eventSource);

source.handleResources(primaryID1(), Set.of(testResource1()));

verify(eventHandler, times(1)).handleEvent(any());
}

@Test
void onlyGenericFilterSetDoesNotFailOnDelete() {
var eventSource = new TestExternalCachingEventSource();
eventSource.setGenericFilter(res -> true);
setUpSource(eventSource);

source.handleResources(primaryID1(), Set.of(testResource1()));
source.handleResources(primaryID1(), Set.of());

verify(eventHandler, times(2)).handleEvent(any());
}

@Test
void onlyGenericFilterSetDoesNotFailOnUpdate() {
var eventSource = new TestExternalCachingEventSource();
eventSource.setGenericFilter(res -> true);
setUpSource(eventSource);

source.handleResources(primaryID1(), Set.of(testResource1()));
var changed = testResource1();
changed.setValue("changedValue");
source.handleResources(primaryID1(), Set.of(changed));

verify(eventHandler, times(2)).handleEvent(any());
}

public static class TestExternalCachingEventSource
extends ExternalResourceCachingEventSource<SampleExternalResource, HasMetadata, String> {
public TestExternalCachingEventSource() {
Expand Down
Loading