*/
package org.opendaylight.netconf.callhome.protocol;
-import com.google.common.base.Optional;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.channel.EventLoopGroup;
import io.netty.util.HashedWheelTimer;
import java.net.InetSocketAddress;
+import java.util.Optional;
import java.util.concurrent.TimeUnit;
import org.apache.sshd.client.SshClient;
import org.opendaylight.netconf.callhome.protocol.CallHomeSessionContext.Factory;
private static NetconfClientSessionNegotiatorFactory defaultNegotiationFactory() {
return new NetconfClientSessionNegotiatorFactory(new HashedWheelTimer(),
- Optional.absent(), DEFAULT_SESSION_TIMEOUT_MILLIS);
+ Optional.empty(), DEFAULT_SESSION_TIMEOUT_MILLIS);
}
private static EventLoopGroup defaultNettyGroup() {