kubernetes visitor 源码
kubernetes visitor 代码
文件路径：/staging/src/k8s.io/kubectl/pkg/apply/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 apply
// Strategy implements a strategy for merging recorded, local and remote values contained
// in an element and returns the merged result.
// Follows the visitor pattern
type Strategy interface {
// MergeList is invoked by ListElements when Merge is called
MergeList(ListElement) (Result, error)
// MergeMap is invoked by MapElements when Merge is called
MergeMap(MapElement) (Result, error)
// MergeType is invoked by TypeElements when Merge is called
MergeType(TypeElement) (Result, error)
// MergePrimitive is invoked by PrimitiveElements when Merge is called
MergePrimitive(PrimitiveElement) (Result, error)
// MergeEmpty is invoked by EmptyElements when Merge is called
MergeEmpty(EmptyElement) (Result, error)
}
// Operation records whether a field should be set or dropped
type Operation int
const (
// ERROR is an error during merge
ERROR Operation = iota
// SET sets the field on an object
SET
// DROP drops the field from an object
DROP
)
// Result is the result of merging fields
type Result struct {
// Operation is the operation that should be performed for the merged field
Operation Operation
// MergedResult is the new merged value
MergedResult interface{}
}
const (
// MergeStrategy is the strategy to merge the local and remote values
MergeStrategy = "merge"
// RetainKeysStrategy is the strategy to merge the local and remote values, but drop any fields not defined locally
RetainKeysStrategy = "retainKeys"
// ReplaceStrategy is the strategy to replace the remote value with the local value
ReplaceStrategy = "replace"
)
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