LightPIT: src/main/java/de/uapcore/lightpit/dao/postgres/PGVersionDao.java@b3f14cd4f3ab

     1 /*

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     4  * Copyright 2018 Mike Becker. All rights reserved.

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    14  *      documentation and/or other materials provided with the distribution.

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    29 package de.uapcore.lightpit.dao.postgres;

    31 import de.uapcore.lightpit.dao.Functions;

    32 import de.uapcore.lightpit.dao.VersionDao;

    33 import de.uapcore.lightpit.entities.Project;

    34 import de.uapcore.lightpit.entities.Version;

    35 import de.uapcore.lightpit.entities.VersionStatus;

    37 import java.sql.Connection;

    38 import java.sql.PreparedStatement;

    39 import java.sql.ResultSet;

    40 import java.sql.SQLException;

    41 import java.util.List;

    43 public final class PGVersionDao implements VersionDao {

    45     private final PreparedStatement insert, update, list, find, findByNode;

    47     public PGVersionDao(Connection connection) throws SQLException {

    48         final var query = "select versionid, project, name, node, ordinal, status from lpit_version";

    50         list = connection.prepareStatement(query + " where project = ? " +

    51                         "order by ordinal desc, lower(name) desc");

    52         find = connection.prepareStatement(query + " where versionid = ?");

    53         findByNode = connection.prepareStatement(query + " where project = ? and node = ?");

    55         insert = connection.prepareStatement(

    56                 "insert into lpit_version (name, node, ordinal, status, project) values (?, ?, ?, ?::version_status, ?)"

    57         );

    58         update = connection.prepareStatement(

    59                 "update lpit_version set name = ?, node = ?, ordinal = ?, status = ?::version_status where versionid = ?"

    60         );

    61     }

    63     private static Version mapColumns(ResultSet result) throws SQLException {

    64         final var version = new Version(result.getInt("versionid"));

    65         version.setName(result.getString("name"));

    66         version.setNode(result.getString("node"));

    67         version.setOrdinal(result.getInt("ordinal"));

    68         version.setStatus(VersionStatus.valueOf(result.getString("status")));

    69         return version;

    70     }

    72     private static int setFields(PreparedStatement stmt, Version instance) throws SQLException {

    73         int column = 0;

    74         stmt.setString(++column, instance.getName());

    75         stmt.setString(++column, instance.getNode());

    76         stmt.setInt(++column, instance.getOrdinal());

    77         stmt.setString(++column, instance.getStatus().name());

    78         return column;

    79     }

    81     @Override

    82     public void save(Version instance, Project project) throws SQLException {

    83         int column = setFields(insert, instance);

    84         insert.setInt(++column, project.getId());

    85         insert.executeUpdate();

    86     }

    88     @Override

    89     public boolean update(Version instance) throws SQLException {

    90         if (instance.getId() < 0) return false;

    91         int column = setFields(update, instance);

    92         update.setInt(++column, instance.getId());

    93         return update.executeUpdate() > 0;

    94     }

    96     @Override

    97     public List<Version> list(Project project) throws SQLException {

    98         list.setInt(1, project.getId());

    99         return Functions.list(list, PGVersionDao::mapColumns);

   100     }

   102     @Override

   103     public Version find(int id) throws SQLException {

   104         find.setInt(1, id);

   105         return Functions.find(find, PGVersionDao::mapColumns);

   106     }

   108     @Override

   109     public Version findByNode(Project project, String node) throws SQLException {

   110         findByNode.setInt(1, project.getId());

   111         findByNode.setString(2, node);;

   112         return Functions.find(findByNode, PGVersionDao::mapColumns);

   113     }

   114 }

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