CommonCore/src/de/steamwar/sql/TeamTeilnahme.java

55 Zeilen
2.1 KiB
Java

2022-09-20 16:41:07 +02:00
/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2020 SteamWar.de-Serverteam
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.sql;
import de.steamwar.sql.internal.Field;
import de.steamwar.sql.internal.SelectStatement;
import de.steamwar.sql.internal.Table;
import lombok.AllArgsConstructor;
import java.util.Set;
import java.util.stream.Collectors;
@AllArgsConstructor
public class TeamTeilnahme {
private static final Table<TeamTeilnahme> table = new Table<>(TeamTeilnahme.class);
private static final SelectStatement<TeamTeilnahme> select = table.select(Table.PRIMARY);
private static final SelectStatement<TeamTeilnahme> selectTeams = table.selectFields("EventID");
private static final SelectStatement<TeamTeilnahme> selectEvents = table.selectFields("TeamID");
@Field(keys = {Table.PRIMARY})
private final int teamId;
@Field(keys = {Table.PRIMARY})
private final int eventId;
public static boolean nimmtTeil(int teamID, int eventID){
return select.select(teamID, eventID) != null;
}
public static Set<Team> getTeams(int eventID){
return selectTeams.listSelect(eventID).stream().map(tt -> Team.get(tt.teamId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
}
public static Set<Event> getEvents(int teamID){
return selectEvents.listSelect(teamID).stream().map(tt -> Event.get(tt.eventId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
}
}