question: public void load ( DataInput rafIn ) throws IOException , MaryConfigurationException { int numIdx = rafIn . readInt ( ) ; idxInterval = rafIn . readInt ( ) ; if ( idxInterval <= 0 ) { throw new MaryConfigurationException ( "read negative index interval -- file seems corrupt" ) ; } bytePtrs = new long [ numIdx ] ; timePtrs = new long [ numIdx ] ; int numBytesToRead = 16 * numIdx + 16 ; byte [ ] data = new byte [ numBytesToRead ] ; rafIn . readFully ( data ) ; DataInput bufIn = new DataInputStream ( new ByteArrayInputStream ( data ) ) ; for ( int i = 0 ; i < numIdx ; i ++ ) { bytePtrs [ i ] = bufIn . readLong ( ) ; timePtrs [ i ] = bufIn . readLong ( ) ; if ( i > 0 ) { if ( bytePtrs [ i ] < bytePtrs [ i - 1 ] || timePtrs [ i ] < timePtrs [ i - 1 ] ) { throw new MaryConfigurationException ( "File seems corrupt: Pointer positions in index fields are not strictly monotonously rising" ) ; } } } bufIn . readLong ( ) ; bufIn . readLong ( ) ; }
target:  Method which loads an index from a data input (random access file or data input stream).