/** Has our in-memory objects write their state to their backing blocks */ private void syncWithDataSource() throws IOException { // HeaderBlock HeaderBlockWriter hbw = new HeaderBlockWriter(_header); hbw.writeBlock(getBlockAt(-1)); // BATs for (BATBlock bat : _bat_blocks) { ByteBuffer block = getBlockAt(bat.getOurBlockIndex()); BlockAllocationTableWriter.writeBlock(bat, block); } // SBATs _mini_store.syncWithDataSource(); // Properties _property_table.write(new NPOIFSStream(this, _header.getPropertyStart())); }