Golang Scope.Convert方法代码示例

// rawExtensionToEmbeddedObject does the conversion you would expect from the name, using the information
// given in conversion.Scope. It's placed in all schemes as a ConversionFunc to enable plugins;
// see the comment for RawExtension.
func (self *Scheme) rawExtensionToEmbeddedObject(in *RawExtension, out *EmbeddedObject, s conversion.Scope) error {
	if len(in.RawJSON) == 0 || (len(in.RawJSON) == 4 && string(in.RawJSON) == "null") {
		out.Object = nil
		return nil
	}
	// Figure out the type and kind of the output object.
	inGroupVersionString, outGroupVersionString, scheme := self.fromScope(s)
	dataKind, err := scheme.raw.DataKind(in.RawJSON)
	if err != nil {
		return err
	}
	inVersion, err := unversioned.ParseGroupVersion(inGroupVersionString)
	if err != nil {
		return err
	}
	outVersion, err := unversioned.ParseGroupVersion(outGroupVersionString)
	if err != nil {
		return err
	}

	// We have to make this object ourselves because we don't store the version field for
	// plugin objects.
	inObj, err := scheme.New(inVersion.WithKind(dataKind.Kind))
	if err != nil {
		return err
	}

	err = DecodeInto(scheme, in.RawJSON, inObj)
	if err != nil {
		return err
	}

	// Make the desired internal version, and do the conversion.
	outObj, err := scheme.New(outVersion.WithKind(dataKind.Kind))
	if err != nil {
		return err
	}
	err = scheme.Convert(inObj, outObj)
	if err != nil {
		return err
	}
	// Last step, clear the Kind field; that should always be blank in memory.
	err = s.Convert(
		&emptyPlugin{PluginBase: PluginBase{Kind: ""}},
		outObj,
		conversion.SourceToDest|conversion.IgnoreMissingFields|conversion.AllowDifferentFieldTypeNames,
	)
	if err != nil {
		return err
	}
	out.Object = outObj
	return nil
}

func Convert_v1beta1_RollingUpdateDeployment_To_extensions_RollingUpdateDeployment(in *RollingUpdateDeployment, out *extensions.RollingUpdateDeployment, s conversion.Scope) error {
	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
		defaulting.(func(*RollingUpdateDeployment))(in)
	}
	if err := s.Convert(in.MaxUnavailable, &out.MaxUnavailable, 0); err != nil {
		return err
	}
	if err := s.Convert(in.MaxSurge, &out.MaxSurge, 0); err != nil {
		return err
	}
	out.MinReadySeconds = int(in.MinReadySeconds)
	return nil
}

// embeddedObjectToRawExtension does the conversion you would expect from the name, using the information
// given in conversion.Scope. It's placed in the DefaultScheme as a ConversionFunc to enable plugins;
// see the comment for RawExtension.
func (self *Scheme) embeddedObjectToRawExtension(in *EmbeddedObject, out *RawExtension, s conversion.Scope) error {
	if in.Object == nil {
		out.RawJSON = []byte("null")
		return nil
	}

	// Figure out the type and kind of the output object.
	_, outGroupVersionString, scheme := self.fromScope(s)
	objKind, err := scheme.raw.ObjectKind(in.Object)
	if err != nil {
		return err
	}
	outVersion, err := unversioned.ParseGroupVersion(outGroupVersionString)
	if err != nil {
		return err
	}

	// Manufacture an object of this type and kind.
	outObj, err := scheme.New(outVersion.WithKind(objKind.Kind))
	if err != nil {
		return err
	}

	// Manually do the conversion.
	err = s.Convert(in.Object, outObj, 0)
	if err != nil {
		return err
	}

	// Copy the kind field into the output object.
	err = s.Convert(
		&emptyPlugin{PluginBase: PluginBase{Kind: objKind.Kind}},
		outObj,
		conversion.SourceToDest|conversion.IgnoreMissingFields|conversion.AllowDifferentFieldTypeNames,
	)
	if err != nil {
		return err
	}
	// Because we provide the correct version, EncodeToVersion will not attempt a conversion.
	raw, err := scheme.EncodeToVersion(outObj, outVersion.String())
	if err != nil {
		// TODO: if this fails, create an Unknown-- maybe some other
		// component will understand it.
		return err
	}
	out.RawJSON = raw
	return nil
}