github.com/openebs/api@v1.12.0/pkg/client/informers/externalversions/cstor/v1/cstorpoolinstance.go (about)

     1  /*
     2  Copyright 2020 The OpenEBS Authors
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  // Code generated by informer-gen. DO NOT EDIT.
    18  
    19  package v1
    20  
    21  import (
    22  	time "time"
    23  
    24  	cstorv1 "github.com/openebs/api/pkg/apis/cstor/v1"
    25  	versioned "github.com/openebs/api/pkg/client/clientset/versioned"
    26  	internalinterfaces "github.com/openebs/api/pkg/client/informers/externalversions/internalinterfaces"
    27  	v1 "github.com/openebs/api/pkg/client/listers/cstor/v1"
    28  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    29  	runtime "k8s.io/apimachinery/pkg/runtime"
    30  	watch "k8s.io/apimachinery/pkg/watch"
    31  	cache "k8s.io/client-go/tools/cache"
    32  )
    33  
    34  // CStorPoolInstanceInformer provides access to a shared informer and lister for
    35  // CStorPoolInstances.
    36  type CStorPoolInstanceInformer interface {
    37  	Informer() cache.SharedIndexInformer
    38  	Lister() v1.CStorPoolInstanceLister
    39  }
    40  
    41  type cStorPoolInstanceInformer struct {
    42  	factory          internalinterfaces.SharedInformerFactory
    43  	tweakListOptions internalinterfaces.TweakListOptionsFunc
    44  	namespace        string
    45  }
    46  
    47  // NewCStorPoolInstanceInformer constructs a new informer for CStorPoolInstance type.
    48  // Always prefer using an informer factory to get a shared informer instead of getting an independent
    49  // one. This reduces memory footprint and number of connections to the server.
    50  func NewCStorPoolInstanceInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
    51  	return NewFilteredCStorPoolInstanceInformer(client, namespace, resyncPeriod, indexers, nil)
    52  }
    53  
    54  // NewFilteredCStorPoolInstanceInformer constructs a new informer for CStorPoolInstance type.
    55  // Always prefer using an informer factory to get a shared informer instead of getting an independent
    56  // one. This reduces memory footprint and number of connections to the server.
    57  func NewFilteredCStorPoolInstanceInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
    58  	return cache.NewSharedIndexInformer(
    59  		&cache.ListWatch{
    60  			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
    61  				if tweakListOptions != nil {
    62  					tweakListOptions(&options)
    63  				}
    64  				return client.CstorV1().CStorPoolInstances(namespace).List(options)
    65  			},
    66  			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
    67  				if tweakListOptions != nil {
    68  					tweakListOptions(&options)
    69  				}
    70  				return client.CstorV1().CStorPoolInstances(namespace).Watch(options)
    71  			},
    72  		},
    73  		&cstorv1.CStorPoolInstance{},
    74  		resyncPeriod,
    75  		indexers,
    76  	)
    77  }
    78  
    79  func (f *cStorPoolInstanceInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
    80  	return NewFilteredCStorPoolInstanceInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
    81  }
    82  
    83  func (f *cStorPoolInstanceInformer) Informer() cache.SharedIndexInformer {
    84  	return f.factory.InformerFor(&cstorv1.CStorPoolInstance{}, f.defaultInformer)
    85  }
    86  
    87  func (f *cStorPoolInstanceInformer) Lister() v1.CStorPoolInstanceLister {
    88  	return v1.NewCStorPoolInstanceLister(f.Informer().GetIndexer())
    89  }