1 /*
2 * Copyright 2021 TiKV Project Authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17
18 package org.tikv.common.replica;
19
20 import java.io.Serializable;
21 import java.util.List;
22
23 public interface ReplicaSelector extends Serializable {
24 ReplicaSelector LEADER = new LeaderReplicaSelector();
25 ReplicaSelector FOLLOWER = new FollowerReplicaSelector();
26 ReplicaSelector LEADER_AND_FOLLOWER = new LeaderFollowerReplicaSelector();
27
28 List<Store> select(Region region);
29 }