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IStatement.java | - | - | - | - |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.contrib.jdbc; | |
16 | ||
17 | import java.sql.ResultSet; | |
18 | import java.sql.SQLException; | |
19 | import java.sql.Statement; | |
20 | ||
21 | /** | |
22 | * A wrapper around {@link java.sql.Statement} or | |
23 | * {@link java.sql.PreparedStatement} which hides the differences | |
24 | * between the two. | |
25 | * | |
26 | * @author Howard Lewis Ship | |
27 | * @see org.apache.tapestry.contrib.jdbc.StatementAssembly#createStatement(Connection) | |
28 | * | |
29 | **/ | |
30 | ||
31 | public interface IStatement | |
32 | { | |
33 | /** | |
34 | * Returns the SQL associated with this statement. | |
35 | * | |
36 | **/ | |
37 | ||
38 | public String getSQL(); | |
39 | ||
40 | /** | |
41 | * Returns the underlying {@link java.sql.Statement} | |
42 | * (or {@link java.sql.PreparedStatement}). | |
43 | * | |
44 | **/ | |
45 | ||
46 | public Statement getStatement(); | |
47 | ||
48 | /** | |
49 | * Closes the underlying statement, and nulls the reference to it. | |
50 | * | |
51 | **/ | |
52 | ||
53 | public void close() throws SQLException; | |
54 | ||
55 | /** | |
56 | * Executes the statement as a query, returning a {@link ResultSet}. | |
57 | * | |
58 | **/ | |
59 | ||
60 | public ResultSet executeQuery() throws SQLException; | |
61 | ||
62 | /** | |
63 | * Executes the statement as an update, returning the number of rows | |
64 | * affected. | |
65 | * | |
66 | **/ | |
67 | ||
68 | public int executeUpdate() throws SQLException; | |
69 | } |
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