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/*
* Southampton University Map App
* Copyright (C) 2011 Christopher Baines
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.cbaines.suma;
import java.sql.SQLException;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;
import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.TableUtils;
public class DatabaseHelper extends OrmLiteSqliteOpenHelper implements Preferences {
private static final String TAG = "DatabaseHelper";
// the DAO object we use to access the SimpleData table
private Dao<Building, String> buildingDao = null;
private Dao<BusStop, String> busStopDao = null;
private Dao<BusRoute, Integer> busRouteDao = null;
private Dao<RouteStop, Integer> routeStopsDao = null;
private Dao<Site, String> siteDao = null;
private Dao<Bus, Integer> busDao = null;
volatile boolean doneUpgrade = false;
public DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION, R.raw.ormlite_config);
Log.i(TAG, "Database Helper created");
}
@Override
public void onCreate(SQLiteDatabase database, ConnectionSource connectionSource) {
try {
Log.i(TAG, "onCreate");
TableUtils.createTable(connectionSource, Building.class);
TableUtils.createTable(connectionSource, BusStop.class);
TableUtils.createTable(connectionSource, BusRoute.class);
TableUtils.createTable(connectionSource, RouteStop.class);
TableUtils.createTable(connectionSource, Site.class);
TableUtils.createTable(connectionSource, Bus.class);
} catch (SQLException e) {
Log.e(DatabaseHelper.class.getName(), "Can't create database", e);
throw new RuntimeException(e);
}
}
@Override
public void onUpgrade(SQLiteDatabase database, ConnectionSource connectionSource, int oldVersion, int newVersion) {
Log.i(TAG, "onUpgrade");
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<Building, String> getBuildingDao() throws SQLException {
if (buildingDao == null) {
buildingDao = getDao(Building.class);
}
return buildingDao;
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<BusStop, String> getBusStopDao() throws SQLException {
if (busStopDao == null) {
busStopDao = getDao(BusStop.class);
}
return busStopDao;
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<BusRoute, Integer> getBusRouteDao() throws SQLException {
if (busRouteDao == null) {
busRouteDao = getDao(BusRoute.class);
}
return busRouteDao;
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<RouteStop, Integer> getRouteStopsDao() throws SQLException {
if (routeStopsDao == null) {
routeStopsDao = getDao(RouteStop.class);
}
return routeStopsDao;
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<Site, String> getSiteDao() throws SQLException {
if (siteDao == null) {
siteDao = getDao(Site.class);
}
return siteDao;
}
/**
* Returns the Database Access Object (DAO) for our SimpleData class. It will create it or just give the cached value.
*/
public Dao<Bus, Integer> getBusDao() throws SQLException {
if (busDao == null) {
busDao = getDao(Bus.class);
}
return busDao;
}
/**
* Check if the database already exist to avoid re-copying the file each time you open the application.
*
* @return true if it exists, false if it doesn't
*/
/**
* Close the database connections and clear any cached DAOs.
*/
@Override
public void close() {
super.close();
buildingDao = null;
busStopDao = null;
busRouteDao = null;
routeStopsDao = null;
siteDao = null;
busDao = null;
}
}
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