+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.dom.impl;
+
+import com.google.common.annotations.Beta;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipService;
+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.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Beta
+@Component(immediate = true, property = "type=default")
+public final class OSGiClusterSingletonServiceProvider implements ClusterSingletonServiceProvider {
+ private static final Logger LOG = LoggerFactory.getLogger(OSGiClusterSingletonServiceProvider.class);
+
+ @Reference
+ DOMEntityOwnershipService entityOwnershipService = null;
+
+ private DOMClusterSingletonServiceProviderImpl delegate;
+
+ @Override
+ public ClusterSingletonServiceRegistration registerClusterSingletonService(final ClusterSingletonService service) {
+ return delegate.registerClusterSingletonService(service);
+ }
+
+ @Override
+ public void close() {
+ // Ignored on purpose
+ }
+
+ @Activate
+ void activate() {
+ LOG.info("Cluster Singleton Service starting");
+ delegate = new DOMClusterSingletonServiceProviderImpl(entityOwnershipService);
+ delegate.initializeProvider();
+ LOG.info("Cluster Singleton Service started");
+ }
+
+ @Deactivate
+ void deactivate() {
+ LOG.info("Cluster Singleton Service stopping");
+ delegate.close();
+ delegate = null;
+ LOG.info("Cluster Singleton Service stopped");
+ }
+}