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18 package org.apache.shardingsphere.distsql.handler.engine.update.rdl.rule.engine.database.type;
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20 import lombok.RequiredArgsConstructor;
21 import org.apache.shardingsphere.distsql.handler.engine.update.rdl.rule.engine.database.DatabaseRuleOperator;
22 import org.apache.shardingsphere.distsql.handler.engine.update.rdl.rule.spi.database.type.DatabaseRuleCreateExecutor;
23 import org.apache.shardingsphere.distsql.statement.type.rdl.rule.database.DatabaseRuleDefinitionStatement;
24 import org.apache.shardingsphere.infra.config.rule.RuleConfiguration;
25 import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
26 import org.apache.shardingsphere.mode.manager.ContextManager;
27 import org.apache.shardingsphere.mode.persist.service.MetaDataManagerPersistService;
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32 @RequiredArgsConstructor
33 public final class CreateDatabaseRuleOperator implements DatabaseRuleOperator {
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35 private final ContextManager contextManager;
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37 @SuppressWarnings("rawtypes")
38 private final DatabaseRuleCreateExecutor executor;
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40 @Override
41 @SuppressWarnings("unchecked")
42 public void operate(final DatabaseRuleDefinitionStatement sqlStatement, final ShardingSphereDatabase database, final RuleConfiguration currentRuleConfig) {
43 RuleConfiguration toBeCreatedRuleConfig = executor.buildToBeCreatedRuleConfiguration(sqlStatement);
44 MetaDataManagerPersistService metaDataManagerPersistService = contextManager.getPersistServiceFacade().getModeFacade().getMetaDataManagerService();
45 metaDataManagerPersistService.alterRuleConfiguration(database, database.decorateRuleConfiguration(toBeCreatedRuleConfig));
46 }
47 }