1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.infra.rule.scope;
19
20 import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
21 import org.apache.shardingsphere.infra.rule.ShardingSphereRule;
22
23 import java.util.Map;
24
25 /**
26 * Global rule.
27 */
28 public interface GlobalRule extends ShardingSphereRule {
29
30 /**
31 * Refresh rule when databases changed.
32 *
33 * @param databases changed databases
34 * @param changedType changed type
35 */
36 default void refresh(final Map<String, ShardingSphereDatabase> databases, GlobalRuleChangedType changedType) {
37 }
38
39 /**
40 * Global rule changed type enum.
41 */
42 enum GlobalRuleChangedType {
43
44 DATABASE_CHANGED, SCHEMA_CHANGED
45 }
46 }