/*
* Copyright (c) 2014 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.controller.cluster.datastore.shardstrategy;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
/**
* The DefaultShardStrategy basically puts all data into the default shard. The default shard stores data for all
* modules for which a specific set of shards has not been configured. This is only intended for testing.
*/
public final class DefaultShardStrategy implements ShardStrategy {
public static final String NAME = "default";
public static final String DEFAULT_SHARD = "default";
private static final DefaultShardStrategy INSTANCE = new DefaultShardStrategy();
private DefaultShardStrategy() {
// Hidden to force a singleton instnace
}
public static DefaultShardStrategy getInstance() {
return INSTANCE;
}
@Override
public String findShard(YangInstanceIdentifier path) {
return DEFAULT_SHARD;
}
@Override
public YangInstanceIdentifier getPrefixForPath(YangInstanceIdentifier path) {
return YangInstanceIdentifier.EMPTY;
}
}