com.spotify.folsom

Interface ObservableClient

All Known Subinterfaces:

AsciiMemcacheClient<V>, BinaryMemcacheClient<V>, MemcacheClient<V>, RawMemcacheClient

All Known Implementing Classes:

AbstractMultiMemcacheClient, AbstractRawMemcacheClient, DefaultAsciiMemcacheClient, DefaultBinaryMemcacheClient, DefaultRawMemcacheClient, KetamaMemcacheClient, NotConnectedClient, ReconnectingClient, RetryingClient, RoundRobinMemcacheClient, SrvKetamaClient

public interface ObservableClient

Implementations of this interface has a notion of connectedness to a remote and the ability to notify listeners of connection state changes.

Method Summary

Modifier and Type	Method and Description
boolean	isConnected() Is the client connected to a server?
void	registerForConnectionChanges(ConnectionChangeListener listener) Register for connection change events.
void	unregisterForConnectionChanges(ConnectionChangeListener listener) Unregister the provided listener so that it no longer receives connection change callbacks.

Method Detail

registerForConnectionChanges

void registerForConnectionChanges(ConnectionChangeListener listener)

Register for connection change events. This should trigger at least once for every connection change. You should immediately get an initial callback, so that if you are creating a ListenableFuture looking for a connection state that has already been reached it will return immediately.

Parameters:

listener - the listener to notify of connection changes

unregisterForConnectionChanges

void unregisterForConnectionChanges(ConnectionChangeListener listener)

Unregister the provided listener so that it no longer receives connection change callbacks.

Parameters:

listener - the listener to unregister.

isConnected

boolean isConnected()

Is the client connected to a server?

Returns:

true if the client is connected