question: void fillDeltaEntries ( Set < PageLeafEntry > entries , Row row , int tail ) { int rowOffset = _rowHead ; byte [ ] buffer = _buffer ; while ( rowOffset < tail ) { int code = buffer [ rowOffset ] & CODE_MASK ; int len = getLength ( code , row ) ; if ( code == INSERT || code == REMOVE ) { PageLeafEntry entry = new PageLeafEntry ( this , row , rowOffset , len , code ) ; entries . add ( entry ) ; } rowOffset += len ; } }
target:  Fill the entry set from the tree map.