+++ /dev/null
-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * 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.mdsal.singleton.common.api;
-
-import com.google.common.util.concurrent.ListenableFuture;
-import org.opendaylight.yangtools.concepts.Identifiable;
-
-/**
- * {@link ClusterSingletonService} interface represents a single cluster service instance. It has to implement
- * every service (RPCs or Applications) which would like to be instantiated on same Cluster Node. Grouping is
- * realized by ServiceGroupIdentifier. Servicies with same ServiceGroupIdentifier have to run on same Cluster
- * Node. ServiceGroupIdentifier must not change during whole {@link ClusterSingletonService} lifecycle.
- */
-public interface ClusterSingletonService extends Identifiable<ServiceGroupIdentifier> {
-
- /**
- * This method is invoked to instantiate an underlying service instance when
- * ownership has been granted for the service entity.
- */
- void instantiateServiceInstance();
-
- /**
- * This method is invoked to close the underlying service instance when ownership has been lost
- * for the service entity. If the act of closing the instance may perform blocking operations or
- * take some time, it should be done asynchronously to avoid blocking the current thread.
- *
- * @return a ListenableFuture that is completed when the underlying instance close operation is complete.
- */
- ListenableFuture<? extends Object> closeServiceInstance();
-}