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.sqlfederation.resultset.converter; 19 20 import org.apache.shardingsphere.infra.database.core.spi.DatabaseTypedSPI; 21 22 /** 23 * SQL federation column type converter. 24 */ 25 public interface SQLFederationColumnTypeConverter extends DatabaseTypedSPI { 26 27 /** 28 * Convert column value. 29 * 30 * @param columnValue column value 31 * @return converted column value 32 */ 33 default Object convertColumnValue(Object columnValue) { 34 return columnValue; 35 } 36 37 /** 38 * Convert column type. 39 * 40 * @param columnType column type 41 * @return converted column type 42 */ 43 default int convertColumnType(int columnType) { 44 return columnType; 45 } 46 }