Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ListOutcome |
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ListOutcome$AjcClosure1 |
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ListOutcome$Mapping |
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| 1.3333333333333333;1.333 |
1 | 2 | /** |
2 | * Copyright (c) 2012-2015, jcabi.com | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: 1) Redistributions of source code must retain the above | |
8 | * copyright notice, this list of conditions and the following | |
9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
10 | * copyright notice, this list of conditions and the following | |
11 | * disclaimer in the documentation and/or other materials provided | |
12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
13 | * the names of its contributors may be used to endorse or promote | |
14 | * products derived from this software without specific prior written | |
15 | * permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 | */ | |
30 | package com.jcabi.jdbc; | |
31 | ||
32 | import com.jcabi.aspects.Immutable; | |
33 | import com.jcabi.aspects.Loggable; | |
34 | import java.sql.ResultSet; | |
35 | import java.sql.SQLException; | |
36 | import java.sql.Statement; | |
37 | import java.util.LinkedList; | |
38 | import java.util.List; | |
39 | import lombok.EqualsAndHashCode; | |
40 | import lombok.ToString; | |
41 | ||
42 | /** | |
43 | * Outcome that returns a list. | |
44 | * | |
45 | * <p>Use it when you need a full collection: | |
46 | * | |
47 | * <pre> Collection&lgt;User> users = new JdbcSession(source) | |
48 | * .sql("SELECT * FROM user") | |
49 | * .select( | |
50 | * new ListOutcome<User>( | |
51 | * new ListOutcome.Mapping<User>() { | |
52 | * @Override | |
53 | * public User map(final ResultSet rset) throws SQLException { | |
54 | * return new User.Simple(rset.getLong(1), rset.getString(2)); | |
55 | * } | |
56 | * } | |
57 | * ) | |
58 | * );</pre> | |
59 | * | |
60 | * @author Yegor Bugayenko (yegor@teamed.io) | |
61 | * @version $Id: 5e3338db07e1cb57587823d5971f52d7a5a60dc4 $ | |
62 | * @since 0.13 | |
63 | * @param <T> Type of items | |
64 | */ | |
65 | 1 | @Immutable |
66 | 1 | @ToString |
67 | 0 | @EqualsAndHashCode(of = "mapping") |
68 | public final class ListOutcome<T> implements Outcome<List<T>> { | |
69 | ||
70 | /** | |
71 | * Mapping. | |
72 | */ | |
73 | private final transient ListOutcome.Mapping<T> mapping; | |
74 | ||
75 | /** | |
76 | * Public ctor. | |
77 | * @param mpg Mapping | |
78 | */ | |
79 | 1 | public ListOutcome(final ListOutcome.Mapping<T> mpg) { |
80 | 1 | this.mapping = mpg; |
81 | 1 | } |
82 | ||
83 | @Override | |
84 | @Loggable(Loggable.DEBUG) | |
85 | public List<T> handle(final ResultSet rset, final Statement stmt) | |
86 | throws SQLException { | |
87 | 2 | final List<T> result = new LinkedList<T>(); |
88 | 3 | while (rset.next()) { |
89 | 2 | result.add(this.mapping.map(rset)); |
90 | } | |
91 | 1 | return result; |
92 | } | |
93 | ||
94 | /** | |
95 | * Mapping. | |
96 | */ | |
97 | @Immutable | |
98 | public interface Mapping<T> { | |
99 | /** | |
100 | * Map. | |
101 | * @param rset Result set | |
102 | * @return Object | |
103 | * @throws SQLException If fails | |
104 | */ | |
105 | T map(ResultSet rset) throws SQLException; | |
106 | } | |
107 | ||
108 | } |