// Machine provides access to methods of a state.Machine through the
// facade.
func (api *API) Machine(tag names.MachineTag) (*Machine, error) {
life, err := common.Life(api.facade, tag)
if err != nil {
return nil, errors.Trace(err)
}
return &Machine{api.facade, tag, life}, nil
}
// Refresh updates the cached local copy of the unit's data.
func (u *Unit) Refresh() error {
life, err := common.Life(u.st.facade, u.tag)
if err != nil {
return err
}
u.life = life
return nil
}
// Refresh updates the cached local copy of the IP address's data.
func (a *IPAddress) Refresh() error {
life, err := common.Life(a.facade, a.tag)
if err != nil {
return errors.Trace(err)
}
a.life = life
return nil
}
// Refresh updates the cached local copy of the machine's data.
func (m *Machine) Refresh() error {
life, err := common.Life(m.facade, m.tag)
if err != nil {
return errors.Trace(err)
}
m.life = life
return nil
}
// IPAddress provides access to methods of a state.IPAddress through the
// facade.
func (api *API) IPAddress(tag names.IPAddressTag) (*IPAddress, error) {
// TODO(mue) Change approach to use bulk requests for retrieval
// and later removal.
life, err := common.Life(api.facade, tag)
if err != nil {
return nil, errors.Trace(err)
}
return &IPAddress{api.facade, tag, life}, nil
}
// life requests the lifecycle of the given entity from the server.
func (st *State) life(tag names.Tag) (params.Life, error) {
return common.Life(st.facade, tag)
}
// machineLife requests the lifecycle of the given machine from the server.
func (st *State) machineLife(tag names.MachineTag) (params.Life, error) {
return common.Life(st.facade, tag)
}