containers

README

QName

Container names system view

Documentation

Index

• Constants
• Variables
• type ContainerID
• type Containers
  • func New() *Containers
  • func (cnt *Containers) Container(id ContainerID) (name string, err error)
  • func (cnt *Containers) ID(name string) (ContainerID, error)
  • func (cnt *Containers) Prepare(storage istorage.IAppStorage, versions *vers.Versions, appDef appdef.IAppDef) (err error)

Constants

const MaxAvailableContainerID = 0xFFFF

maximum Container ID value

Variables

var ErrContainerIDNotFound = errors.New("container ID not found")

var ErrContainerIDsExceeds = fmt.Errorf("the maximum number of container identifiers (%d) has been exceeded", MaxAvailableContainerID)

var ErrContainerNotFound = errors.New("container not found")

var ErrWrongContainerID = errors.New("wrong container ID")

Types

type ContainerID

type ContainerID uint16

Identifier for Container name

const (
	NullContainerID ContainerID = 0 + iota

	ContainerNameIDSysLast ContainerID = 63
)

constants for system container names

type Containers

type Containers struct {
	// contains filtered or unexported fields
}

Container IDs system view

Use ID() to obtain container ID by its name.
Use Container() to obtain container name by its ID.
Use Prepare() to load container IDs from storage.

func New

func New() *Containers

Constructs and return new containers system view

func (*Containers) Container

func (cnt *Containers) Container(id ContainerID) (name string, err error)

Retrieve container for specified ID

func (*Containers) ID

func (cnt *Containers) ID(name string) (ContainerID, error)

Retrieve ID for specified container

func (*Containers) Prepare

func (cnt *Containers) Prepare(storage istorage.IAppStorage, versions *vers.Versions, appDef appdef.IAppDef) (err error)

Loads all container from storage, add all known system and application containers and store if some changes. Must be called at application starts