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Java > Open Source Codes > org > apache > avalon > examples > jdbcdatasource > HelloDBService


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
14  * implied.
15  *
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19
20 package org.apache.avalon.examples.jdbcdatasource;
21
22 import org.apache.avalon.framework.component.Component;
23
24 /**
25  * This example application creates a conmponent which makes use of a JdbcDataSource to
26  * connect to a Hypersonic SQL database. It then adds a row to a table that it creates
27  * displaying a list of all the rows in the table.
28  *
29  * Note, this code ignores exceptions to keep the code simple.
30  *
31  * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
32  * @version CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:28 $
33  * @since 4.1
34  */
35 public interface HelloDBService
36     extends Component
37 {
38     /** The lookup key for the HelloDBService */
39     String JavaDoc ROLE = "org.apache.avalon.examples.jdbcdatasource.HelloDBService";
40     
41     /**
42      * Adds a single row to the database.
43      *
44      * @param title The title for the row.
45      */
46     void addRow( String JavaDoc title );
47     
48     /**
49      * Ask the component to delete all rows in the database.
50      */
51     void deleteRows();
52     
53     /**
54      * Ask the component to log all of the rows in the database to the logger
55      * with the info log level.
56      */
57     void logRows();
58 }
59
60
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