principalNetworkDomain.go

package nucleus

import (
	"github.com/google/uuid"
)

// PrincipalNetworkDomain provides an
// interface for PND implementations
type PrincipalNetworkDomain interface {
	GetName() string
	GetDescription() string
	GetDefaultSBIName() string
	Destroy() error
	AddSbi(SouthboundInterface) error
	RemoveSbi(string) error
	AddDevice(Device) error
	RemoveDevice(uuid uuid.UUID) error
}

type pndImplementation struct {
	Name        string
	Description string
	Sbi         map[string]SouthboundInterface
	Devices     map[uuid.UUID]Device
}

//NewPND creates a Principle Network Domain
func NewPND(name, description string, sbi SouthboundInterface) PrincipalNetworkDomain {
	sbic := make(map[string]SouthboundInterface)
	sbic["default"] = sbi
	devices := make(map[uuid.UUID]Device)
	return &pndImplementation{
		Name:        name,
		Description: description,
		Sbi:         sbic,
		Devices:     devices,
	}
}

func (pnd *pndImplementation) GetName() string {
	return pnd.Name
}

func (pnd *pndImplementation) GetDescription() string {
	return pnd.Description
}

func (pnd *pndImplementation) GetDefaultSBIName() string {
	return pnd.Sbi["default"].SbiIdentifier()
}

// Interface satisfaction
func (pnd *pndImplementation) Destroy() error {
	return destroy()
}

func (pnd *pndImplementation) AddSbi(sbi SouthboundInterface) error {
	return pnd.addSbi(sbi)
}

func (pnd *pndImplementation) RemoveSbi(sbiIdentifier string) error {
	return pnd.removeSbi(sbiIdentifier)
}

func (pnd *pndImplementation) AddDevice(device Device) error {
	return pnd.addDevice(device)
}

func (pnd *pndImplementation) RemoveDevice(uuid uuid.UUID) error {
	return pnd.removeDevice(uuid)
}

// Actual implementation, bind to struct if
// neccessary
func destroy() error {
	return nil
}

func (pnd *pndImplementation) addSbi(sbi SouthboundInterface) error {
	pnd.Sbi[sbi.SbiIdentifier()] = sbi
	return nil
}

func (pnd *pndImplementation) removeSbi(sbiIdentifier string) error {
	delete(pnd.Sbi, sbiIdentifier)
	return nil
}

func (pnd *pndImplementation) addDevice(device Device) error {
	pnd.Devices[device.Uuid] = device
	return nil
}

func (pnd *pndImplementation) removeDevice(uuid uuid.UUID) error {
	delete(pnd.Devices, uuid)
	return nil
}