public long valueLong(){
  byte[] barr=new byte[rawData.length * 4];
  ByteBuffer b=ByteBuffer.wrap(barr,0,barr.length);
  b.order(java.nio.ByteOrder.LITTLE_ENDIAN);
  IntBuffer i=b.asIntBuffer();
  i.put(0,rawData[0]);
  i.put(1,rawData[1]);
  LongBuffer l=b.asLongBuffer();
  return l.get();
}

public long valueLong ( ) { byte [ ] barr = new byte [ rawData . length * 4 ] ; ByteBuffer b = ByteBuffer . wrap ( barr , 0 , barr . length ) ; b . order ( java . nio . ByteOrder . LITTLE_ENDIAN ) ; IntBuffer i = b . asIntBuffer ( ) ; i . put ( 0 , rawData [ 0 ] ) ; i . put ( 1 , rawData [ 1 ] ) ; LongBuffer l = b . asLongBuffer ( ) ; return l . get ( ) ; }
convert tag value to a long ( 64 - bit ) .
