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 }