View Javadoc

1   /***
2    * Copyright 2004 Steven Caswell
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package com.mungoknotwise.sqlcli;
17  
18  import java.sql.ResultSet;
19  import java.sql.SQLException;
20  
21  /***
22   * Defines the operations for extracting data from a result set.
23   *
24   * @author  Steven Caswell
25   * @version $Id: ResultSetExtractor.java,v 1.2 2004/09/07 22:10:32 mungoknotwise Exp $
26   */
27  public interface ResultSetExtractor
28  {
29    /***
30     * Extracts data from the result set. Implementing classes are expected to
31     * step through each row of the result set and handle the rows as desired.
32     *
33     * @param resultSet the result set
34     * @return the extracted result set
35     * @throws SQLException if an error occurs
36     */
37    public Object extractData(ResultSet resultSet) throws SQLException;
38    
39    /***
40     * Sets the attribute value with the specified key.
41     *
42     * @param key the attribute key
43     * @param value the attribute value
44     */
45    public void setAttribute(String key, Object value);
46  }