Code example for Set

Methods: isEmpty

     * @param db The sqlite database instance. 
     * @param rawContactIds A set of raw contacts ids to refresh the contact for. 
    public static void updateContactLastUpdateByRawContactId(SQLiteDatabase db,
            Set<Long> rawContactIds) {
        if (rawContactIds.isEmpty()) {
     * Build a sql to update the last updated timestamp for contacts. 
     * @param rawContactIds The raw contact ids that contacts should be updated for. 
     * @return The update sql statement. 
    private static String buildUpdateLastUpdateSql(Set<Long> rawContactIds) {
        // Not using bind args here due to sqlite bind arg size limit.  Large number of bind args