2 * Copyright (c) 2014 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
9 package org.opendaylight.controller.cluster.datastore.shardstrategy;
11 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
14 * The role of ShardStrategy is to figure out which shards a given piece of data belongs to.
16 public interface ShardStrategy {
18 * Find the name of the shard in which the data pointed to by the specified path belongs in.
21 * Should return the name of the default shard DefaultShardStrategy.DEFAULT_SHARD
22 * if no matching shard was found
24 * @param path the location of the data in the logical tree
25 * @return the corresponding shard name.
27 String findShard(YangInstanceIdentifier path);