kubernetes visitor 源码
kubernetes visitor 代码
文件路径：/staging/src/k8s.io/kubectl/pkg/apply/parse/visitor.go
/*
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.
*/
package parse
import (
"k8s.io/kubectl/pkg/apply"
"k8s.io/kubectl/pkg/util/openapi"
)
// ItemVisitor provides an interface for Items to Accept and call
// the Visit function that corresponds to its actual type.
type ItemVisitor interface {
// CreatePrimitiveElement builds an Element for a primitiveItem
CreatePrimitiveElement(*primitiveItem) (apply.Element, error)
// CreateListElement builds an Element for a listItem
CreateListElement(*listItem) (apply.Element, error)
// CreateMapElement builds an Element for a mapItem
CreateMapElement(*mapItem) (apply.Element, error)
// CreateTypeElement builds an Element for a typeItem
CreateTypeElement(*typeItem) (apply.Element, error)
}
// ElementBuildingVisitor creates an Elements from Items
// An Element combines the values from the Item with the field metadata.
type ElementBuildingVisitor struct {
resources openapi.Resources
}
// CreatePrimitiveElement creates a primitiveElement
func (v ElementBuildingVisitor) CreatePrimitiveElement(item *primitiveItem) (apply.Element, error) {
return v.primitiveElement(item)
}
// CreateListElement creates a ListElement
func (v ElementBuildingVisitor) CreateListElement(item *listItem) (apply.Element, error) {
meta, err := getFieldMeta(item.GetMeta(), item.Name)
if err != nil {
return nil, err
}
if meta.GetFieldMergeType() == apply.MergeStrategy {
return v.mergeListElement(meta, item)
}
return v.replaceListElement(meta, item)
}
// CreateMapElement creates a mapElement
func (v ElementBuildingVisitor) CreateMapElement(item *mapItem) (apply.Element, error) {
meta, err := getFieldMeta(item.GetMeta(), item.Name)
if err != nil {
return nil, err
}
return v.mapElement(meta, item)
}
// CreateTypeElement creates a typeElement
func (v ElementBuildingVisitor) CreateTypeElement(item *typeItem) (apply.Element, error) {
meta, err := getFieldMeta(item.GetMeta(), item.Name)
if err != nil {
return nil, err
}
return v.typeElement(meta, item)
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦