代码拉取完成,页面将自动刷新
/*
Copyright 2014 Google Inc. All rights reserved.
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.
*/
package generic
import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
)
// AttrFunc returns label and field sets for List or Watch to compare against, or an error.
type AttrFunc func(obj runtime.Object) (label, field labels.Set, err error)
// SelectionPredicate implements a generic predicate that can be passed to
// GenericRegistry's List or Watch methods. Implements the Matcher interface.
type SelectionPredicate struct {
Label labels.Selector
Field labels.Selector
GetAttrs AttrFunc
}
// Matches returns true if the given object's labels and fields (as
// returned by s.GetAttrs) match s.Label and s.Field. An error is
// returned if s.GetAttrs fails.
func (s *SelectionPredicate) Matches(obj runtime.Object) (bool, error) {
if s.Label.Empty() && s.Field.Empty() {
return true, nil
}
labels, fields, err := s.GetAttrs(obj)
if err != nil {
return false, err
}
return s.Label.Matches(labels) && s.Field.Matches(fields), nil
}
// Matcher can return true if an object matches the Matcher's selection
// criteria.
type Matcher interface {
Matches(obj runtime.Object) (bool, error)
}
// MatcherFunc makes a matcher from the provided function. For easy definition
// of matchers for testing.
func MatcherFunc(f func(obj runtime.Object) (bool, error)) Matcher {
return matcherFunc(f)
}
type matcherFunc func(obj runtime.Object) (bool, error)
// Matches calls the embedded function.
func (m matcherFunc) Matches(obj runtime.Object) (bool, error) {
return m(obj)
}
// DecoratorFunc can mutate the provided object prior to being returned.
type DecoratorFunc func(obj runtime.Object) error
// Registry knows how to store & list any runtime.Object. Can be used for
// any object types which don't require special features from the storage
// layer.
// DEPRECATED: replace with direct implementation of RESTStorage
type Registry interface {
List(api.Context, Matcher) (runtime.Object, error)
CreateWithName(ctx api.Context, id string, obj runtime.Object) error
UpdateWithName(ctx api.Context, id string, obj runtime.Object) error
Get(ctx api.Context, id string) (runtime.Object, error)
Delete(ctx api.Context, id string) (runtime.Object, error)
Watch(ctx api.Context, m Matcher, resourceVersion string) (watch.Interface, error)
}
// FilterList filters any list object that conforms to the api conventions,
// provided that 'm' works with the concrete type of list. d is an optional
// decorator for the returned functions. Only matching items are decorated.
func FilterList(list runtime.Object, m Matcher, d DecoratorFunc) (filtered runtime.Object, err error) {
// TODO: push a matcher down into tools.EtcdHelper to avoid all this
// nonsense. This is a lot of unnecessary copies.
items, err := runtime.ExtractList(list)
if err != nil {
return nil, err
}
var filteredItems []runtime.Object
for _, obj := range items {
match, err := m.Matches(obj)
if err != nil {
return nil, err
}
if match {
if d != nil {
if err := d(obj); err != nil {
return nil, err
}
}
filteredItems = append(filteredItems, obj)
}
}
err = runtime.SetList(list, filteredItems)
if err != nil {
return nil, err
}
return list, nil
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。