comparison: src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java
src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java
- changeset 59
- c759c60507a2
- parent 51
- dd0a45ae25d7
- child 62
- 833e0385572a
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| 58:8d3047f78190 | 59:c759c60507a2 |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2018 Mike Becker. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 * | |
| 28 */ | |
| 29 package de.uapcore.lightpit.dao.postgres; | |
| 30 | |
| 31 import de.uapcore.lightpit.dao.VersionDao; | |
| 32 import de.uapcore.lightpit.entities.Project; | |
| 33 import de.uapcore.lightpit.entities.Version; | |
| 34 import de.uapcore.lightpit.entities.VersionStatus; | |
| 35 | |
| 36 import java.sql.Connection; | |
| 37 import java.sql.PreparedStatement; | |
| 38 import java.sql.ResultSet; | |
| 39 import java.sql.SQLException; | |
| 40 import java.util.ArrayList; | |
| 41 import java.util.List; | |
| 42 import java.util.Objects; | |
| 43 | |
| 44 public final class PGVersionDao implements VersionDao { | |
| 45 | |
| 46 private final PreparedStatement insert, update, list, find; | |
| 47 | |
| 48 public PGVersionDao(Connection connection) throws SQLException { | |
| 49 list = connection.prepareStatement( | |
| 50 "select id, project, name, ordinal, status " + | |
| 51 "from lpit_version " + | |
| 52 "where project = ? " + | |
| 53 "order by ordinal, name"); | |
| 54 | |
| 55 find = connection.prepareStatement( | |
| 56 "select id, project, name, ordinal, status " + | |
| 57 "from lpit_version " + | |
| 58 "where id = ?"); | |
| 59 | |
| 60 insert = connection.prepareStatement( | |
| 61 "insert into lpit_version (project, name, ordinal, status) values (?, ?, ?, ?::version_status)" | |
| 62 ); | |
| 63 update = connection.prepareStatement( | |
| 64 "update lpit_version set name = ?, ordinal = ?, status = ?::version_status where id = ?" | |
| 65 ); | |
| 66 } | |
| 67 | |
| 68 public Version mapColumns(ResultSet result) throws SQLException { | |
| 69 final var version = new Version(result.getInt("id"), new Project(result.getInt("project"))); | |
| 70 version.setName(result.getString("name")); | |
| 71 version.setOrdinal(result.getInt("ordinal")); | |
| 72 version.setStatus(VersionStatus.valueOf(result.getString("status"))); | |
| 73 return version; | |
| 74 } | |
| 75 | |
| 76 @Override | |
| 77 public void save(Version instance) throws SQLException { | |
| 78 Objects.requireNonNull(instance.getName()); | |
| 79 Objects.requireNonNull(instance.getProject()); | |
| 80 insert.setInt(1, instance.getProject().getId()); | |
| 81 insert.setString(2, instance.getName()); | |
| 82 insert.setInt(3, instance.getOrdinal()); | |
| 83 insert.setString(4, instance.getStatus().name()); | |
| 84 insert.executeUpdate(); | |
| 85 } | |
| 86 | |
| 87 @Override | |
| 88 public boolean update(Version instance) throws SQLException { | |
| 89 Objects.requireNonNull(instance.getName()); | |
| 90 update.setString(1, instance.getName()); | |
| 91 update.setInt(2, instance.getOrdinal()); | |
| 92 update.setString(3, instance.getStatus().name()); | |
| 93 update.setInt(4, instance.getId()); | |
| 94 return update.executeUpdate() > 0; | |
| 95 } | |
| 96 | |
| 97 @Override | |
| 98 public List<Version> list(Project project) throws SQLException { | |
| 99 list.setInt(1, project.getId()); | |
| 100 List<Version> versions = new ArrayList<>(); | |
| 101 try (var result = list.executeQuery()) { | |
| 102 while (result.next()) { | |
| 103 versions.add(mapColumns(result)); | |
| 104 } | |
| 105 } | |
| 106 return versions; | |
| 107 } | |
| 108 | |
| 109 @Override | |
| 110 public Version find(int id) throws SQLException { | |
| 111 find.setInt(1, id); | |
| 112 try (var result = find.executeQuery()) { | |
| 113 if (result.next()) { | |
| 114 return mapColumns(result); | |
| 115 } else { | |
| 116 return null; | |
| 117 } | |
| 118 } | |
| 119 } | |
| 120 } |
