public final void setPageSize(int pageSize) {
        setVisibleRange(getPageStart(), pageSize);
    }
Set the number of rows per page and refresh the view.

@param pageSize the page size
@see #setVisibleRange(Range)
@see #getPageSize()
stroom-core-client-widget/src/main/java/com/google/gwt/user/cellview/client/AbstractHasData.java