@Override
    public boolean storeMe()
    {
        // No changes, nothing to store.
        if (!hasChanges())
        {
            return false;
        }

        try (Connection con = DatabaseFactory.getConnection())
        {
            // Clear previous entries.
            try (PreparedStatement st = con.prepareStatement(DELETE_QUERY))
            {
                st.setInt(1, _objectId);
                st.execute();
            }

            // Insert all variables.
            try (PreparedStatement st = con.prepareStatement(INSERT_QUERY))
            {
                st.setInt(1, _objectId);
                for (Entry<String, Object> entry : getSet().entrySet())
                {
                    st.setString(2, entry.getKey());
                    st.setString(3, String.valueOf(entry.getValue()));
                    st.addBatch();
                }
                st.executeBatch();
            }
        }
        catch (SQLException e)
        {
            LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Couldn't update variables for: " + getPlayer(), e);
            return false;
        }
        finally
        {
            compareAndSetChanges(true, false);
        }
        return true;
    }