question: synchronized public void addDTM ( DTM dtm , int id , int offset ) { if ( id >= IDENT_MAX_DTMS ) { throw new DTMException ( XMLMessages . createXMLMessage ( XMLErrorResources . ER_NO_DTMIDS_AVAIL , null ) ) ; } int oldlen = m_dtms . length ; if ( oldlen <= id ) { int newlen = Math . min ( ( id + 256 ) , IDENT_MAX_DTMS ) ; DTM new_m_dtms [ ] = new DTM [ newlen ] ; System . arraycopy ( m_dtms , 0 , new_m_dtms , 0 , oldlen ) ; m_dtms = new_m_dtms ; int new_m_dtm_offsets [ ] = new int [ newlen ] ; System . arraycopy ( m_dtm_offsets , 0 , new_m_dtm_offsets , 0 , oldlen ) ; m_dtm_offsets = new_m_dtm_offsets ; } m_dtms [ id ] = dtm ; m_dtm_offsets [ id ] = offset ; dtm . documentRegistration ( ) ; }
target:  Add a DTM to the DTM table.