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event.go
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event.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"
eventsv1 "k8s.io/api/events/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
eventsv1listers "k8s.io/client-go/listers/events/v1"
"k8s.io/client-go/tools/cache"
)
// EventClusterLister can list Events across all workspaces, or scope down to a EventLister for one workspace.
// All objects returned here must be treated as read-only.
type EventClusterLister interface {
// List lists all Events in the indexer.
// Objects returned here must be treated as read-only.
List(selector labels.Selector) (ret []*eventsv1.Event, err error)
// Cluster returns a lister that can list and get Events in one workspace.
Cluster(clusterName logicalcluster.Name) eventsv1listers.EventLister
EventClusterListerExpansion
}
type eventClusterLister struct {
indexer cache.Indexer
}
// NewEventClusterLister returns a new EventClusterLister.
// 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
// - has the kcpcache.ClusterAndNamespaceIndex as an index
func NewEventClusterLister(indexer cache.Indexer) *eventClusterLister {
return &eventClusterLister{indexer: indexer}
}
// List lists all Events in the indexer across all workspaces.
func (s *eventClusterLister) List(selector labels.Selector) (ret []*eventsv1.Event, err error) {
err = cache.ListAll(s.indexer, selector, func(m interface{}) {
ret = append(ret, m.(*eventsv1.Event))
})
return ret, err
}
// Cluster scopes the lister to one workspace, allowing users to list and get Events.
func (s *eventClusterLister) Cluster(clusterName logicalcluster.Name) eventsv1listers.EventLister {
return &eventLister{indexer: s.indexer, clusterName: clusterName}
}
// eventLister implements the eventsv1listers.EventLister interface.
type eventLister struct {
indexer cache.Indexer
clusterName logicalcluster.Name
}
// List lists all Events in the indexer for a workspace.
func (s *eventLister) List(selector labels.Selector) (ret []*eventsv1.Event, err error) {
err = kcpcache.ListAllByCluster(s.indexer, s.clusterName, selector, func(i interface{}) {
ret = append(ret, i.(*eventsv1.Event))
})
return ret, err
}
// Events returns an object that can list and get Events in one namespace.
func (s *eventLister) Events(namespace string) eventsv1listers.EventNamespaceLister {
return &eventNamespaceLister{indexer: s.indexer, clusterName: s.clusterName, namespace: namespace}
}
// eventNamespaceLister implements the eventsv1listers.EventNamespaceLister interface.
type eventNamespaceLister struct {
indexer cache.Indexer
clusterName logicalcluster.Name
namespace string
}
// List lists all Events in the indexer for a given workspace and namespace.
func (s *eventNamespaceLister) List(selector labels.Selector) (ret []*eventsv1.Event, err error) {
err = kcpcache.ListAllByClusterAndNamespace(s.indexer, s.clusterName, s.namespace, selector, func(i interface{}) {
ret = append(ret, i.(*eventsv1.Event))
})
return ret, err
}
// Get retrieves the Event from the indexer for a given workspace, namespace and name.
func (s *eventNamespaceLister) Get(name string) (*eventsv1.Event, error) {
key := kcpcache.ToClusterAwareKey(s.clusterName.String(), s.namespace, name)
obj, exists, err := s.indexer.GetByKey(key)
if err != nil {
return nil, err
}
if !exists {
return nil, errors.NewNotFound(eventsv1.Resource("events"), name)
}
return obj.(*eventsv1.Event), nil
}