if (start == null) {
            start = ComponentUtil.getFessConfig().getPagingSearchPageStartAsInteger();
        }
        return start;
    }

    @Override
    public int getOffset() {
        if (offset == null) {
            offset = 0;
        }
        return offset;
    }

    @Override
    public int getPageSize() {

    public abstract HighlightInfo getHighlightInfo();

    public abstract String getSort();

    public abstract int getStartPosition();

    public abstract int getPageSize();

    public abstract int getOffset();

    public abstract String[] getExtraQueries();

    public abstract Object getAttribute(String name);

    public abstract Locale getLocale();

    public abstract SearchRequestType getType();

    }

    @Override
    public <T> T[] toArray(final T[] a) {
        return parent.toArray(a);
    }

    public int getStart() {
        return start;
    }

    public int getOffset() {
        return offset;
    }

    public int getPageSize() {
        return pageSize;
    }

    public int getCurrentPageNumber() {
        return currentPageNumber;
    }

            int length = msg.getLength() - raxr.getDataLength();
            update(data, index, length - SmbConstants.SIGNATURE_OFFSET - 8);
            update(raxr.getData(), raxr.getOffset(), raxr.getDataLength());
        }
        else {
            update(data, index, msg.getLength() - SmbConstants.SIGNATURE_OFFSET - 8);
        }
        byte[] signature = digest();

                    startPosition = fessConfig.getPagingSearchPageStartAsInteger();
                }
            }
            return startPosition;
        }

        @Override
        public int getOffset() {
            if (offset != -1) {
                return offset;
            }

            final String value = request.getParameter("offset");
            if (StringUtil.isBlank(value)) {

                    h.send(seekReq, seekResp);
                    if ( log.isDebugEnabled() && seekResp.getOffset() != fileSize ) {
                        log.debug(String.format("Open returned wrong size %d != %d", fileSize, seekResp.getOffset()));
                    }
                    fileSize = seekResp.getOffset();
                }
                catch ( Exception e ) {
                    log.debug("Seek failed", e);

                    readn(this.in, buffer, 4 + off, pad);

                if ( r.getDataLength() > 0 ) {
                    readn(this.in, r.getData(), r.getOffset(), r.getDataLength()); /* read direct */
                }
            }
            else {
                readn(this.in, buffer, 4 + SMB1_HEADER_LENGTH, size - SMB1_HEADER_LENGTH);