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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.distsql.handler.engine.update.rdl.rule.engine.database;
19  
20  import org.apache.shardingsphere.distsql.statement.rdl.rule.database.DatabaseRuleDefinitionStatement;
21  import org.apache.shardingsphere.infra.config.rule.RuleConfiguration;
22  import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
23  
24  import java.sql.SQLException;
25  
26  /**
27   * Database rule operator.
28   */
29  public interface DatabaseRuleOperator {
30      
31      /**
32       * Operate rule change.
33       *
34       * @param sqlStatement SQL statement
35       * @param database database
36       * @param currentRuleConfig current rule configuration
37       * @throws SQLException SQL Exception
38       */
39      void operate(DatabaseRuleDefinitionStatement sqlStatement, ShardingSphereDatabase database, RuleConfiguration currentRuleConfig) throws SQLException;
40  }