github.com/spotmaxtech/k8s-apimachinery-v0260@v0.0.1/pkg/apis/meta/v1/duration.go (about)

     1  /*
     2  Copyright 2014 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 v1
    18  
    19  import (
    20  	"encoding/json"
    21  	"time"
    22  )
    23  
    24  // Duration is a wrapper around time.Duration which supports correct
    25  // marshaling to YAML and JSON. In particular, it marshals into strings, which
    26  // can be used as map keys in json.
    27  type Duration struct {
    28  	time.Duration `protobuf:"varint,1,opt,name=duration,casttype=time.Duration"`
    29  }
    30  
    31  // UnmarshalJSON implements the json.Unmarshaller interface.
    32  func (d *Duration) UnmarshalJSON(b []byte) error {
    33  	var str string
    34  	err := json.Unmarshal(b, &str)
    35  	if err != nil {
    36  		return err
    37  	}
    38  
    39  	pd, err := time.ParseDuration(str)
    40  	if err != nil {
    41  		return err
    42  	}
    43  	d.Duration = pd
    44  	return nil
    45  }
    46  
    47  // MarshalJSON implements the json.Marshaler interface.
    48  func (d Duration) MarshalJSON() ([]byte, error) {
    49  	return json.Marshal(d.Duration.String())
    50  }
    51  
    52  // ToUnstructured implements the value.UnstructuredConverter interface.
    53  func (d Duration) ToUnstructured() interface{} {
    54  	return d.Duration.String()
    55  }
    56  
    57  // OpenAPISchemaType is used by the kube-openapi generator when constructing
    58  // the OpenAPI spec of this type.
    59  //
    60  // See: https://github.com/kubernetes/kube-openapi/tree/master/pkg/generators
    61  func (_ Duration) OpenAPISchemaType() []string { return []string{"string"} }
    62  
    63  // OpenAPISchemaFormat is used by the kube-openapi generator when constructing
    64  // the OpenAPI spec of this type.
    65  func (_ Duration) OpenAPISchemaFormat() string { return "" }