/** * Checks if the table of the specified database is locked. * * @param db name of database * @param ctx database context * @return result of check */ public static boolean locked(final String db, final Context ctx) { final IOFile table = MetaData.file(ctx.globalopts.dbpath(db), DATATBL); if (!table.exists()) return false; try (final RandomAccessFile file = new RandomAccessFile(table.file(), "rw")) { return file.getChannel().tryLock() == null; } catch (final ClosedChannelException ex) { return false; } catch (final OverlappingFileLockException | IOException ex) { return true; } }