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topic.go
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topic.go
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/*
Copyright 2020 Google LLC
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 lister-gen. DO NOT EDIT.
package v1alpha1
import (
v1alpha1 "github.com/google/knative-gcp/pkg/apis/pubsub/v1alpha1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/tools/cache"
)
// TopicLister helps list Topics.
type TopicLister interface {
// List lists all Topics in the indexer.
List(selector labels.Selector) (ret []*v1alpha1.Topic, err error)
// Topics returns an object that can list and get Topics.
Topics(namespace string) TopicNamespaceLister
TopicListerExpansion
}
// topicLister implements the TopicLister interface.
type topicLister struct {
indexer cache.Indexer
}
// NewTopicLister returns a new TopicLister.
func NewTopicLister(indexer cache.Indexer) TopicLister {
return &topicLister{indexer: indexer}
}
// List lists all Topics in the indexer.
func (s *topicLister) List(selector labels.Selector) (ret []*v1alpha1.Topic, err error) {
err = cache.ListAll(s.indexer, selector, func(m interface{}) {
ret = append(ret, m.(*v1alpha1.Topic))
})
return ret, err
}
// Topics returns an object that can list and get Topics.
func (s *topicLister) Topics(namespace string) TopicNamespaceLister {
return topicNamespaceLister{indexer: s.indexer, namespace: namespace}
}
// TopicNamespaceLister helps list and get Topics.
type TopicNamespaceLister interface {
// List lists all Topics in the indexer for a given namespace.
List(selector labels.Selector) (ret []*v1alpha1.Topic, err error)
// Get retrieves the Topic from the indexer for a given namespace and name.
Get(name string) (*v1alpha1.Topic, error)
TopicNamespaceListerExpansion
}
// topicNamespaceLister implements the TopicNamespaceLister
// interface.
type topicNamespaceLister struct {
indexer cache.Indexer
namespace string
}
// List lists all Topics in the indexer for a given namespace.
func (s topicNamespaceLister) List(selector labels.Selector) (ret []*v1alpha1.Topic, err error) {
err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
ret = append(ret, m.(*v1alpha1.Topic))
})
return ret, err
}
// Get retrieves the Topic from the indexer for a given namespace and name.
func (s topicNamespaceLister) Get(name string) (*v1alpha1.Topic, error) {
obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
if err != nil {
return nil, err
}
if !exists {
return nil, errors.NewNotFound(v1alpha1.Resource("topic"), name)
}
return obj.(*v1alpha1.Topic), nil
}