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package openapi3
import (
"context"
"encoding/json"
)
// Discriminator is specified by OpenAPI/Swagger standard version 3.
// See https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#discriminator-object
type Discriminator struct {
Extensions map[string]interface{} `json:"-" yaml:"-"`
PropertyName string `json:"propertyName" yaml:"propertyName"` // required
Mapping map[string]string `json:"mapping,omitempty" yaml:"mapping,omitempty"`
}
// MarshalJSON returns the JSON encoding of Discriminator.
func (discriminator Discriminator) MarshalJSON() ([]byte, error) {
m := make(map[string]interface{}, 2+len(discriminator.Extensions))
for k, v := range discriminator.Extensions {
m[k] = v
}
m["propertyName"] = discriminator.PropertyName
if x := discriminator.Mapping; len(x) != 0 {
m["mapping"] = x
}
return json.Marshal(m)
}
// UnmarshalJSON sets Discriminator to a copy of data.
func (discriminator *Discriminator) UnmarshalJSON(data []byte) error {
type DiscriminatorBis Discriminator
var x DiscriminatorBis
if err := json.Unmarshal(data, &x); err != nil {
return unmarshalError(err)
}
_ = json.Unmarshal(data, &x.Extensions)
delete(x.Extensions, "propertyName")
delete(x.Extensions, "mapping")
if len(x.Extensions) == 0 {
x.Extensions = nil
}
*discriminator = Discriminator(x)
return nil
}
// Validate returns an error if Discriminator does not comply with the OpenAPI spec.
func (discriminator *Discriminator) Validate(ctx context.Context, opts ...ValidationOption) error {
ctx = WithValidationOptions(ctx, opts...)
return validateExtensions(ctx, discriminator.Extensions)
}
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