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| public class DatabaseHelper extends OrmLiteSqliteOpenHelper {
private static final String TABLE_NAME = "sqlite-test.db";
private Dao<User, Integer> userDao;
public DatabaseHelper(Context context, String databaseName, CursorFactory factory, int databaseVersion) { super(context, databaseName, factory, databaseVersion); }
@Override public void onCreate(SQLiteDatabase sqLiteDatabase, ConnectionSource connectionSource) { try { TableUtils.createTable(connectionSource, User.class); } catch (SQLException e) { e.printStackTrace(); }
}
@Override public void onUpgrade(SQLiteDatabase sqLiteDatabase, ConnectionSource connectionSource, int oldVersion, int newVersion) { try { TableUtils.dropTable(connectionSource, User.class, true); onCreate(sqLiteDatabase, connectionSource); } catch (SQLException e) { e.printStackTrace(); } }
public void insertUser(User user) throws SQLException { getUserDao().create(user); }
public void deleteUserById(int id, User user) throws SQLException { getUserDao().deleteById(id); getUserDao().delete(user); }
public void updateData() throws SQLException { UpdateBuilder<User, Integer> updateBuilder = getUserDao().updateBuilder(); updateBuilder.setWhere(updateBuilder.where().eq("name", "jack").and().gt("age", 19)); updateBuilder.updateColumnValue("name", "Jack"); updateBuilder.updateColumnValue("phone", "1111765765"); updateBuilder.update(); }
public void query() throws SQLException { List<User> users = getUserDao().queryForAll();
User user = getUserDao().queryForId(3);
List<User> jsckUser = getUserDao().queryForEq("name", "Jack"); }
public Dao<User, Integer> getUserDao() throws SQLException { if (userDao == null) { userDao = getDao(User.class); } return userDao; }
@Override public void close() { super.close(); userDao = null; }
}
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