| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.shardingsphere.infra.route; |
| |
| import org.apache.shardingsphere.infra.route.context.RouteContext; |
| import org.apache.shardingsphere.infra.route.context.RouteMapper; |
| import org.apache.shardingsphere.infra.route.context.RouteUnit; |
| import org.apache.shardingsphere.infra.schema.ShardingSphereSchema; |
| import org.apache.shardingsphere.infra.binder.LogicSQL; |
| import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement; |
| import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowTablesStatement; |
| |
| import java.util.Collections; |
| |
| /** |
| * Unconfigured schema SQL router. |
| */ |
| public final class UnconfiguredSchemaSQLRouter { |
| |
| /** |
| * Decorate route context. |
| * |
| * @param routeContext route context |
| * @param logicSQL logic SQL |
| * @param schema ShardingSphere schema |
| */ |
| public void decorate(final RouteContext routeContext, final LogicSQL logicSQL, final ShardingSphereSchema schema) { |
| if (isNeedUnconfiguredSchema(logicSQL.getSqlStatementContext().getSqlStatement())) { |
| for (String each : schema.getMetaData().getSchemaMetaData().getUnconfiguredSchemaMetaDataMap().keySet()) { |
| routeContext.getRouteUnits().add(new RouteUnit(new RouteMapper(each, each), Collections.emptyList())); |
| } |
| } |
| } |
| |
| // TODO use dynamic config to judge UnconfiguredSchema |
| private boolean isNeedUnconfiguredSchema(final SQLStatement sqlStatement) { |
| return sqlStatement instanceof MySQLShowTablesStatement; |
| } |
| } |