Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||
IStatement |
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| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.contrib.jdbc; |
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16 | ||
17 | import java.sql.Connection; |
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18 | import java.sql.ResultSet; |
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19 | import java.sql.SQLException; |
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20 | import java.sql.Statement; |
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21 | ||
22 | /** |
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23 | * A wrapper around {@link java.sql.Statement} or |
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24 | * {@link java.sql.PreparedStatement} which hides the differences |
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25 | * between the two. |
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26 | * |
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27 | * @author Howard Lewis Ship |
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28 | * @see org.apache.tapestry.contrib.jdbc.StatementAssembly#createStatement(Connection) |
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29 | * |
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30 | **/ |
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31 | ||
32 | public interface IStatement |
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33 | { |
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34 | /** |
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35 | * Returns the SQL associated with this statement. |
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36 | * |
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37 | **/ |
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38 | ||
39 | String getSQL(); |
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40 | ||
41 | /** |
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42 | * Returns the underlying {@link java.sql.Statement} |
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43 | * (or {@link java.sql.PreparedStatement}). |
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44 | * |
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45 | **/ |
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46 | ||
47 | Statement getStatement(); |
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48 | ||
49 | /** |
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50 | * Closes the underlying statement, and nulls the reference to it. |
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51 | * |
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52 | **/ |
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53 | ||
54 | void close() throws SQLException; |
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55 | ||
56 | /** |
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57 | * Executes the statement as a query, returning a {@link ResultSet}. |
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58 | * |
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59 | **/ |
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60 | ||
61 | ResultSet executeQuery() throws SQLException; |
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62 | ||
63 | /** |
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64 | * Executes the statement as an update, returning the number of rows |
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65 | * affected. |
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66 | * |
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67 | **/ |
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68 | ||
69 | int executeUpdate() throws SQLException; |
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70 | } |