LightPIT: src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java@cf85ef18f231 (annotated)

src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java@cf85ef18f231 (annotated)

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

Mon, 11 May 2020 19:09:06 +0200

author: Mike Becker <universe@uap-core.de>
date: Mon, 11 May 2020 19:09:06 +0200
changeset 38: cf85ef18f231
child 47: 57cfb94ab99f
permissions: -rw-r--r--

adds DAO for Project entity and save/update methods

 /*
  * 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
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  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 package de.uapcore.lightpit.dao.postgres;
 import de.uapcore.lightpit.dao.AbstractDao;
 import de.uapcore.lightpit.dao.ProjectDao;
 import de.uapcore.lightpit.entities.Project;
 import de.uapcore.lightpit.entities.User;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Objects;
 public final class PGProjectDao extends AbstractDao<Project> implements ProjectDao {
     private final PGUserDao userDao;
     private final PreparedStatement insert;
     private final PreparedStatement update;
     public PGProjectDao(Connection connection, PGUserDao userDao) throws SQLException {
         super(connection.prepareStatement(
                 "select * from lpit_project join lpit_user owner on lpit_project.owner = owner.userid"));
         insert = connection.prepareStatement(
                 "insert into lpit_project (name, description, repourl, owner) values (?, ?, ?, ?)"
         );
         update = connection.prepareStatement(
                 "update lpit_project set name = ?, description = ?, repourl = ?, owner = ? where id = ?"
         );
         this.userDao = userDao;
     }
     @Override
     public Project mapColumns(ResultSet result, String q) throws SQLException {
         final var proj = new Project(result.getInt(qual(q, "id")));
         proj.setName(result.getString(qual(q, "name")));
         proj.setDescription(result.getString(qual(q, "description")));
         proj.setRepoUrl(result.getString(qual(q, "repourl")));
         proj.setOwner(userDao.mapColumns(result, "owner"));
         return proj;
     }
     @Override
     public void save(Project instance) throws SQLException {
         Objects.requireNonNull(instance.getName());
         insert.setString(1, instance.getName());
         setStringOrNull(insert, 2, instance.getDescription());
         setStringOrNull(insert, 3, instance.getRepoUrl());
         setForeignKeyOrNull(insert, 4, instance.getOwner(), User::getUserID);
         insert.executeUpdate();
     }
     @Override
     public boolean update(Project instance) throws SQLException {
         Objects.requireNonNull(instance.getName());
         update.setString(1, instance.getName());
         setStringOrNull(update, 2, instance.getDescription());
         setStringOrNull(update, 3, instance.getRepoUrl());
         setForeignKeyOrNull(update, 4, instance.getOwner(), User::getUserID);
         return update.executeUpdate() > 0;
     }
 }

Mercurial > hg > LightPIT / annotate

src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java@cf85ef18f231 (annotated)

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