2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.entityownership;
10 import static org.opendaylight.controller.cluster.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
11 import static org.opendaylight.controller.cluster.entityownership.EntityOwnersModel.ENTITY_OWNER_QNAME;
12 import static org.opendaylight.controller.cluster.entityownership.EntityOwnersModel.ENTITY_QNAME;
14 import java.util.Optional;
15 import org.opendaylight.controller.cluster.datastore.ShardDataTree;
16 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.clustering.entity.owners.rev150804.entity.owners.EntityType;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
21 public abstract class AbstractEntityOwnerChangeListener implements DOMDataTreeChangeListener {
22 private static final YangInstanceIdentifier EOS_PATH = YangInstanceIdentifier.builder(ENTITY_OWNERS_PATH)
23 .node(EntityType.QNAME).node(EntityType.QNAME).node(ENTITY_QNAME).node(ENTITY_QNAME)
24 .node(ENTITY_OWNER_QNAME).build();
26 void init(final ShardDataTree shardDataTree) {
27 shardDataTree.registerTreeChangeListener(EOS_PATH, this, Optional.empty(), noop -> { /* NOOP */ });
30 protected static String extractOwner(final LeafNode<?> ownerLeaf) {
31 return ownerLeaf.body().toString();