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