package net.sourceforge.pain.tinylib.data;

import net.sourceforge.pain.db.*;
import net.sourceforge.pain.tinylib.data.type.*;

import java.util.*;

/**
 * PAiN  Date: 14.06.2003  Time: 0:58:00
 */
public final class RoomsRegistry extends DbObject {
    private static final int ROOM_BY_ID = 0;
    private static final int NFIELDS = 1;

    public RoomsRegistry() {
    }

    public RoomsRegistry(PainDB db) {
        super(db);
    }

    protected DbClassSchema provideSchema() {
        byte types[] = new byte[NFIELDS];
        String names[] = new String[NFIELDS];

        types[ROOM_BY_ID] = DbType.STRING_KEY_MAP;
        names[ROOM_BY_ID] = "named_space_map";

        return new DbClassSchema(types, names);

    }

    public Room findRoom(String roomUniqueId) {
        return (Room) getStringKeyMap(ROOM_BY_ID).get(roomUniqueId);
    }


    public void registerRoom(Room room) {
        final Map m = getStringKeyMap(ROOM_BY_ID);
        final String id = room.getRoomUniqueId();
        if (m.containsKey(id)) {
            throw new RuntimeException("Dublicate room id:" + id);
        }
        m.put(id, room);
    }

    public void unregisterSpace(Room room) {
        final Map m = getStringKeyMap(ROOM_BY_ID);
        final String name = room.getRoomUniqueId();
        m.remove(name);
    }

}