public final boolean isAlive(Address address) {
      RpcManager rpcManager = cache.getRpcManager();
      return rpcManager == null || rpcManager.getMembers().contains(address);
   }
public final boolean isAlive ( Address address ) { RpcManager rpcManager = cache . getRpcManager ( ) ; return rpcManager == null || rpcManager . getMembers ( ) . contains ( address ) ; }
@return {@code true} if the {@code address} is still in the cluster.