github.com/spotmaxtech/k8s-apimachinery-v0260@v0.0.1/pkg/runtime/scheme_builder.go (about)

     1  /*
     2  Copyright 2015 The Kubernetes 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  package runtime
    18  
    19  // SchemeBuilder collects functions that add things to a scheme. It's to allow
    20  // code to compile without explicitly referencing generated types. You should
    21  // declare one in each package that will have generated deep copy or conversion
    22  // functions.
    23  type SchemeBuilder []func(*Scheme) error
    24  
    25  // AddToScheme applies all the stored functions to the scheme. A non-nil error
    26  // indicates that one function failed and the attempt was abandoned.
    27  func (sb *SchemeBuilder) AddToScheme(s *Scheme) error {
    28  	for _, f := range *sb {
    29  		if err := f(s); err != nil {
    30  			return err
    31  		}
    32  	}
    33  	return nil
    34  }
    35  
    36  // Register adds a scheme setup function to the list.
    37  func (sb *SchemeBuilder) Register(funcs ...func(*Scheme) error) {
    38  	for _, f := range funcs {
    39  		*sb = append(*sb, f)
    40  	}
    41  }
    42  
    43  // NewSchemeBuilder calls Register for you.
    44  func NewSchemeBuilder(funcs ...func(*Scheme) error) SchemeBuilder {
    45  	var sb SchemeBuilder
    46  	sb.Register(funcs...)
    47  	return sb
    48  }