LightPIT: src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java@c759c60507a2 (annotated)

src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java@c759c60507a2 (annotated)

src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java

Sun, 17 May 2020 16:23:39 +0200

author: Mike Becker <universe@uap-core.de>
date: Sun, 17 May 2020 16:23:39 +0200
changeset 59: c759c60507a2
parent 51: src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java@dd0a45ae25d7
child 62: 833e0385572a
permissions: -rw-r--r--

adds version management

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2018 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  */
 package de.uapcore.lightpit.dao.postgres;
 import de.uapcore.lightpit.dao.VersionDao;
 import de.uapcore.lightpit.entities.Project;
 import de.uapcore.lightpit.entities.Version;
 import de.uapcore.lightpit.entities.VersionStatus;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 public final class PGVersionDao implements VersionDao {
     private final PreparedStatement insert, update, list, find;
     public PGVersionDao(Connection connection) throws SQLException {
         list = connection.prepareStatement(
                 "select id, project, name, ordinal, status " +
                         "from lpit_version " +
                         "where project = ? " +
                         "order by ordinal, name");
         find = connection.prepareStatement(
                 "select id, project, name, ordinal, status " +
                         "from lpit_version " +
                         "where id = ?");
         insert = connection.prepareStatement(
                 "insert into lpit_version (project, name, ordinal, status) values (?, ?, ?, ?::version_status)"
         );
         update = connection.prepareStatement(
                 "update lpit_version set name = ?, ordinal = ?, status = ?::version_status where id = ?"
         );
     }
     public Version mapColumns(ResultSet result) throws SQLException {
         final var version = new Version(result.getInt("id"), new Project(result.getInt("project")));
         version.setName(result.getString("name"));
         version.setOrdinal(result.getInt("ordinal"));
         version.setStatus(VersionStatus.valueOf(result.getString("status")));
         return version;
     }
     @Override
     public void save(Version instance) throws SQLException {
         Objects.requireNonNull(instance.getName());
         Objects.requireNonNull(instance.getProject());
         insert.setInt(1, instance.getProject().getId());
         insert.setString(2, instance.getName());
         insert.setInt(3, instance.getOrdinal());
         insert.setString(4, instance.getStatus().name());
         insert.executeUpdate();
     }
     @Override
     public boolean update(Version instance) throws SQLException {
         Objects.requireNonNull(instance.getName());
         update.setString(1, instance.getName());
         update.setInt(2, instance.getOrdinal());
         update.setString(3, instance.getStatus().name());
         update.setInt(4, instance.getId());
         return update.executeUpdate() > 0;
     }
     @Override
     public List<Version> list(Project project) throws SQLException {
         list.setInt(1, project.getId());
         List<Version> versions = new ArrayList<>();
         try (var result = list.executeQuery()) {
             while (result.next()) {
                 versions.add(mapColumns(result));
             }
         }
         return versions;
     }
     @Override
     public Version find(int id) throws SQLException {
         find.setInt(1, id);
         try (var result = find.executeQuery()) {
             if (result.next()) {
                 return mapColumns(result);
             } else {
                 return null;
             }
         }
     }
 }

Mercurial > hg > LightPIT / annotate

src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java@c759c60507a2 (annotated)

src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java