* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.clustering.it.provider.impl;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
-import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
-import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
-import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
-import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
+import org.opendaylight.mdsal.singleton.api.ClusterSingletonService;
+import org.opendaylight.mdsal.singleton.api.ClusterSingletonServiceProvider;
+import org.opendaylight.mdsal.singleton.api.ServiceGroupIdentifier;
+import org.opendaylight.yangtools.concepts.Registration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class FlappingSingletonService implements ClusterSingletonService {
-
+public final class FlappingSingletonService implements ClusterSingletonService {
private static final Logger LOG = LoggerFactory.getLogger(FlappingSingletonService.class);
-
private static final ServiceGroupIdentifier SERVICE_GROUP_IDENTIFIER =
- ServiceGroupIdentifier.create("flapping-singleton-service");
+ new ServiceGroupIdentifier("flapping-singleton-service");
private final ClusterSingletonServiceProvider singletonServiceProvider;
private final AtomicBoolean active = new AtomicBoolean(true);
-
private final AtomicLong flapCount = new AtomicLong();
- private volatile ClusterSingletonServiceRegistration registration;
+
+ private volatile Registration registration;
public FlappingSingletonService(final ClusterSingletonServiceProvider singletonServiceProvider) {
LOG.debug("Registering flapping-singleton-service.");
-
- this.singletonServiceProvider = singletonServiceProvider;
+ this.singletonServiceProvider = requireNonNull(singletonServiceProvider);
registration = singletonServiceProvider.registerClusterSingletonService(this);
}