}
        final int pageSize = params.getPageSize();
        final int startPosition = params.getStartPosition();
        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;
            } else if (offset > windowSize / 2) {
                offset = windowSize / 2;
            }
            int start = startPosition - offset;

            }

            @Override
            public String[] getExtraQueries() {
                return new String[0];
            }

            @Override
            public int getOffset() {
                return 0;
            }

            @Override
            public int getPageSize() {
                return 10;
            }

            @Override

     *
     * @return The page size.
     */
    public abstract int getPageSize();

    /**
     * Returns the offset.
     *
     * @return The offset.
     */
    public abstract int getOffset();

    /**
     * Returns the extra queries.
     *
     * @return The extra queries.
     */
    public abstract String[] getExtraQueries();

    /**
     * Returns the attribute.
     *

    public int getStart() {
        return start;
    }

    /**
     * Gets the offset value used for pagination calculations.
     *
     * @return the offset value
     */
    public int getOffset() {
        return offset;
    }

    /**
     * Gets the number of records per page.
     *
     * @return the page size
     */
    public int getPageSize() {
        return pageSize;

            return startPosition;
        }

        @Override
        public int getPageSize() {
            return pageSize;
        }

        @Override
        public int getOffset() {
            return 0;
        }

        @Override
        public String[] getExtraQueries() {
            return new String[0];
        }

        @Override

            return startPosition;
        }

        @Override
        public int getPageSize() {
            return pageSize;
        }

        @Override
        public int getOffset() {
            return offset;
        }

        @Override
        public String[] getExtraQueries() {
            return extraQueries;
        }

        @Override