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.proxy.backend.connector;
19
20 import org.apache.shardingsphere.proxy.backend.handler.data.DatabaseBackendHandler;
21 import org.apache.shardingsphere.proxy.backend.response.data.QueryResponseRow;
22 import org.apache.shardingsphere.proxy.backend.response.header.ResponseHeader;
23
24 import java.sql.ResultSet;
25 import java.sql.SQLException;
26 import java.sql.Statement;
27
28 /**
29 * Database connector.
30 */
31 public interface DatabaseConnector extends DatabaseBackendHandler {
32
33 /**
34 * Add statement.
35 *
36 * @param statement statement to be added
37 */
38 void add(Statement statement);
39
40 /**
41 * Add result set.
42 *
43 * @param resultSet result set to be added
44 */
45 void add(ResultSet resultSet);
46
47 @Override
48 ResponseHeader execute() throws SQLException;
49
50 @Override
51 boolean next() throws SQLException;
52
53 @Override
54 QueryResponseRow getRowData() throws SQLException;
55
56 @Override
57 void close() throws SQLException;
58 }