Add .Cluster and .Namespace

Signed-off-by: Nelo-T. Wallus <[email protected]>

Author: ntnn

third_party/k8s.io/client-go/listers/generic_helpers.go

@@ -41,6 +41,10 @@ func NewCluster[T runtime.Object](indexer cache.Indexer, resource schema.GroupRe
 	return ResourceClusterIndexer[T]{indexer: indexer, resource: resource}
 }
 
+func (l ResourceClusterIndexer[T]) Cluster(cluster logicalcluster.Name) ResourceIndexer[T] {
+	return ResourceIndexer[T]{indexer: l.indexer, cluster: cluster, resource: l.resource}
+}
+
 // List lists all resources in the indexer matching the given selector.
 func (l ResourceClusterIndexer[T]) List(selector labels.Selector) (ret []T, err error) {
 	err = cache.ListAll(l.indexer, selector, func(m interface{}) {
@@ -64,8 +68,17 @@ func New[T runtime.Object](indexer cache.Indexer, cluster logicalcluster.Name, r
 	return ResourceIndexer[T]{indexer: indexer, cluster: cluster, resource: resource}
 }
 
+func (l ResourceIndexer[T]) Cluster(cluster logicalcluster.Name) ResourceIndexer[T] {
+	return ResourceIndexer[T]{indexer: l.indexer, cluster: cluster, resource: l.resource, namespace: l.namespace}
+}
+
+func (l ResourceIndexer[T]) Namespace(namespace string) ResourceIndexer[T] {
+	return ResourceIndexer[T]{indexer: l.indexer, cluster: l.cluster, resource: l.resource, namespace: namespace}
+}
+
 // NewNamespaced returns a new instance of a namespaced lister (resource indexer) wrapping the given parent and namespace for the specified type.
 // This is intended for use by listers (generated by lister-gen) only.
+// Deprecrated: use ResourceIndexer.Namespace instead.
 func NewNamespaced[T runtime.Object](parent ResourceIndexer[T], namespace string) ResourceIndexer[T] {
 	return ResourceIndexer[T]{indexer: parent.indexer, resource: parent.resource, namespace: namespace}
 }