SubchannelStateManager

All Known Implementing Classes:

SubchannelStateManagerImpl
```
interface SubchannelStateManager
```
SubchannelStateManager manages ConnectivityState of child subchannels.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ConnectivityState`	`getAggregatedState()`	Returns representative subchannel status from all registered subchannels.
`ConnectivityState`	`getState(java.lang.String name)`	Returns current subchannel state for given subchannel name if exists, otherwise returns `null`.
`void`	`updateState(java.lang.String name, ConnectivityState newState)`	Registers and updates state for given subchannel.

- Method Detail
  - updateState
```
void updateState(java.lang.String name,
                 ConnectivityState newState)
```
    Registers and updates state for given subchannel. ConnectivityState.SHUTDOWN unregisters the subchannel.
  - getState
```
@Nullable
ConnectivityState getState(java.lang.String name)
```
    Returns current subchannel state for given subchannel name if exists, otherwise returns null.
  - getAggregatedState
```
ConnectivityState getAggregatedState()
```
    Returns representative subchannel status from all registered subchannels.