clear the current page , and append it to the log file . concode_field_sep int LAST_POS concode_elem_sep int FIRST_POS concode_elem_sep Page mypage concode_elem_sep String logfile concode_elem_sep int currentpos concode_elem_sep Block currentblk concode_field_sep int getFirstRecordPosition concode_elem_sep ListIterator<BasicLogRecord> iterator concode_elem_sep void setFirstRecordPosition concode_elem_sep void flush concode_elem_sep void flush concode_elem_sep int size concode_elem_sep void appendVal concode_elem_sep int currentLSN concode_elem_sep void finalizeRecord concode_elem_sep void setLastRecordPosition concode_elem_sep int getLastRecordPosition concode_elem_sep int append