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componentstatus.go
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componentstatus.go
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//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*
Copyright The KCP Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Code generated by kcp code-generator. DO NOT EDIT.
package v1
import (
kcpcache "github.com/kcp-dev/apimachinery/v2/pkg/cache"
"github.com/kcp-dev/logicalcluster/v3"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
corev1listers "k8s.io/client-go/listers/core/v1"
"k8s.io/client-go/tools/cache"
)
// ComponentStatusClusterLister can list ComponentStatuses across all workspaces, or scope down to a ComponentStatusLister for one workspace.
// All objects returned here must be treated as read-only.
type ComponentStatusClusterLister interface {
// List lists all ComponentStatuses in the indexer.
// Objects returned here must be treated as read-only.
List(selector labels.Selector) (ret []*corev1.ComponentStatus, err error)
// Cluster returns a lister that can list and get ComponentStatuses in one workspace.
Cluster(clusterName logicalcluster.Name) corev1listers.ComponentStatusLister
ComponentStatusClusterListerExpansion
}
type componentStatusClusterLister struct {
indexer cache.Indexer
}
// NewComponentStatusClusterLister returns a new ComponentStatusClusterLister.
// We assume that the indexer:
// - is fed by a cross-workspace LIST+WATCH
// - uses kcpcache.MetaClusterNamespaceKeyFunc as the key function
// - has the kcpcache.ClusterIndex as an index
func NewComponentStatusClusterLister(indexer cache.Indexer) *componentStatusClusterLister {
return &componentStatusClusterLister{indexer: indexer}
}
// List lists all ComponentStatuses in the indexer across all workspaces.
func (s *componentStatusClusterLister) List(selector labels.Selector) (ret []*corev1.ComponentStatus, err error) {
err = cache.ListAll(s.indexer, selector, func(m interface{}) {
ret = append(ret, m.(*corev1.ComponentStatus))
})
return ret, err
}
// Cluster scopes the lister to one workspace, allowing users to list and get ComponentStatuses.
func (s *componentStatusClusterLister) Cluster(clusterName logicalcluster.Name) corev1listers.ComponentStatusLister {
return &componentStatusLister{indexer: s.indexer, clusterName: clusterName}
}
// componentStatusLister implements the corev1listers.ComponentStatusLister interface.
type componentStatusLister struct {
indexer cache.Indexer
clusterName logicalcluster.Name
}
// List lists all ComponentStatuses in the indexer for a workspace.
func (s *componentStatusLister) List(selector labels.Selector) (ret []*corev1.ComponentStatus, err error) {
err = kcpcache.ListAllByCluster(s.indexer, s.clusterName, selector, func(i interface{}) {
ret = append(ret, i.(*corev1.ComponentStatus))
})
return ret, err
}
// Get retrieves the ComponentStatus from the indexer for a given workspace and name.
func (s *componentStatusLister) Get(name string) (*corev1.ComponentStatus, error) {
key := kcpcache.ToClusterAwareKey(s.clusterName.String(), "", name)
obj, exists, err := s.indexer.GetByKey(key)
if err != nil {
return nil, err
}
if !exists {
return nil, errors.NewNotFound(corev1.Resource("componentstatuses"), name)
}
return obj.(*corev1.ComponentStatus), nil
}