/*
Copyright 2017 The Kubernetes 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.
*/

// This file was automatically generated by lister-gen with arguments: --input-dirs=[k8s.io/kubernetes/pkg/api,k8s.io/kubernetes/pkg/api/v1,k8s.io/kubernetes/pkg/apis/abac,k8s.io/kubernetes/pkg/apis/abac/v0,k8s.io/kubernetes/pkg/apis/abac/v1beta1,k8s.io/kubernetes/pkg/apis/apps,k8s.io/kubernetes/pkg/apis/apps/v1beta1,k8s.io/kubernetes/pkg/apis/authentication,k8s.io/kubernetes/pkg/apis/authentication/v1beta1,k8s.io/kubernetes/pkg/apis/authorization,k8s.io/kubernetes/pkg/apis/authorization/v1beta1,k8s.io/kubernetes/pkg/apis/autoscaling,k8s.io/kubernetes/pkg/apis/autoscaling/v1,k8s.io/kubernetes/pkg/apis/batch,k8s.io/kubernetes/pkg/apis/batch/v1,k8s.io/kubernetes/pkg/apis/batch/v2alpha1,k8s.io/kubernetes/pkg/apis/certificates,k8s.io/kubernetes/pkg/apis/certificates/v1alpha1,k8s.io/kubernetes/pkg/apis/componentconfig,k8s.io/kubernetes/pkg/apis/componentconfig/v1alpha1,k8s.io/kubernetes/pkg/apis/extensions,k8s.io/kubernetes/pkg/apis/extensions/v1beta1,k8s.io/kubernetes/pkg/apis/imagepolicy,k8s.io/kubernetes/pkg/apis/imagepolicy/v1alpha1,k8s.io/kubernetes/pkg/apis/policy,k8s.io/kubernetes/pkg/apis/policy/v1alpha1,k8s.io/kubernetes/pkg/apis/policy/v1beta1,k8s.io/kubernetes/pkg/apis/rbac,k8s.io/kubernetes/pkg/apis/rbac/v1alpha1,k8s.io/kubernetes/pkg/apis/storage,k8s.io/kubernetes/pkg/apis/storage/v1beta1]

package v1alpha1

import (
	"k8s.io/kubernetes/pkg/api/errors"
	rbac "k8s.io/kubernetes/pkg/apis/rbac"
	v1alpha1 "k8s.io/kubernetes/pkg/apis/rbac/v1alpha1"
	"k8s.io/kubernetes/pkg/client/cache"
	"k8s.io/kubernetes/pkg/labels"
)

// RoleLister helps list Roles.
type RoleLister interface {
	// List lists all Roles in the indexer.
	List(selector labels.Selector) (ret []*v1alpha1.Role, err error)
	// Roles returns an object that can list and get Roles.
	Roles(namespace string) RoleNamespaceLister
	RoleListerExpansion
}

// roleLister implements the RoleLister interface.
type roleLister struct {
	indexer cache.Indexer
}

// NewRoleLister returns a new RoleLister.
func NewRoleLister(indexer cache.Indexer) RoleLister {
	return &roleLister{indexer: indexer}
}

// List lists all Roles in the indexer.
func (s *roleLister) List(selector labels.Selector) (ret []*v1alpha1.Role, err error) {
	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
		ret = append(ret, m.(*v1alpha1.Role))
	})
	return ret, err
}

// Roles returns an object that can list and get Roles.
func (s *roleLister) Roles(namespace string) RoleNamespaceLister {
	return roleNamespaceLister{indexer: s.indexer, namespace: namespace}
}

// RoleNamespaceLister helps list and get Roles.
type RoleNamespaceLister interface {
	// List lists all Roles in the indexer for a given namespace.
	List(selector labels.Selector) (ret []*v1alpha1.Role, err error)
	// Get retrieves the Role from the indexer for a given namespace and name.
	Get(name string) (*v1alpha1.Role, error)
	RoleNamespaceListerExpansion
}

// roleNamespaceLister implements the RoleNamespaceLister
// interface.
type roleNamespaceLister struct {
	indexer   cache.Indexer
	namespace string
}

// List lists all Roles in the indexer for a given namespace.
func (s roleNamespaceLister) List(selector labels.Selector) (ret []*v1alpha1.Role, err error) {
	err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
		ret = append(ret, m.(*v1alpha1.Role))
	})
	return ret, err
}

// Get retrieves the Role from the indexer for a given namespace and name.
func (s roleNamespaceLister) Get(name string) (*v1alpha1.Role, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(rbac.Resource("role"), name)
	}
	return obj.(*v1alpha1.Role), nil
}
