The 'page' result format

This document describes the page result format returned by Vespa. This result format is used when presentation.format is set to page. This format is usually used with page templates.

The tags of the format are described below. Subtags will be rendered in the order listed here. The format is open, all parsers must ignore attributes and child tags not mentioned here.

<page>

The root tag of a page result: The single top-level section of the page.

Attribute	Description	Present
version	The version of this format - currently 1.0.	Always
layout	The name of the top-level layout to use for this page.	If specified in the page template used.

For regular permissible subtags, refer to section.

<section>

A layout "box" in a page.

Attribute	Description	Present
id	The id of this section.	If specified in the page template used.
layout	The name of the top-level layout to use for this page.	If specified in the page template used.
region	The id of the region in the layout of the parent section where this should be placed.	If specified in the page template used.

Subtag	Description	Present
section	A nested section of this page	Zero or more.
renderer	The name of the rendering to use for this section.	Zero or more.
source	Used to specify where to fetch the content of this section if it is not sent with this page in a content tag.	One or zero.
content	Contains some "payload" of this page - a set of hit instances	One if this section has inlined content, zero otherwise.

<renderer>

The way this section, or some of its content should be rendered.

Attribute	Description	Present
for	The name of the content source which should use this renderer	If this is not present, the renderer should be used for the entire section.

Subtag	Description	Present
parameter	A parameter to this renderer	Zero or more

<source>

The source to be used to fetch the content of a section, if it is not sent as inline content.

Attribute	Description	Present
url	The url at which the content should be fetched.	Always.

Subtag	Description	Present
parameter	A parameter to use when fetching this content.	Zero or more

<content>

The content to render in a section.

Subtag	Description	Present
hit	A content hit.	Zero or more.
group	A group of content hits.	Zero or more.

<hit>

A single result content item.

Attribute	Description	Present
relevance	The relevance of this item - usually a normalized number between 0 and 1.	Always
source	The name of the source producing this hit.	Always
type	A space-separated list of type identifiers of this hit.	If a type is set in the hit.

Subtags:

Hits have one subtag for every field they contain, where the field name is the name of the tag and the toString of the field content is the content of the tag.

<group>

A hit which contains nested hits. Used to organize hits hierarchically. Has the name attributes and subtags as hit, but may also contain nested hit and group tags.

Example

A page which should be rendered with two columns on top.

<page version="1.0">

    <renderer name="two-column"/>

    <section region="left">
        <source url="http://host:port/resource/[news article id]"/>
        <renderer name="articleBodyRenderer">
            <parameter name="color">blue</parameter>
        </renderer>
    </section>

    <section region="right">
        <renderer name="multi-item-column">
            <parameter name="items">3</parameter>
        </renderer>
        <section region="1">
            <renderer for="newsImage" name="newsImageRenderer"/>
            <renderer for="news" name="articleRenderer"/>
            <renderer for="image" name="imageRenderer"/>
            <content>
                <hit relevance="1.0" source="news">
                    <id>news-1</id>
                </hit>
                <hit relevance="0.5" source="news">
                    <id>news-2</id>
                </hit>
            </content>
        </section>
        <section region="2">
            <source url="http://host:port/consumption-widget"/>
            <renderer name="identityRenderer"/>
        </section>
        <section region="3">
            <renderer name="htmlRenderer"/>
            <content>
                <hit relevance="1.0" source="htmlSource">
                    <id>htmlSource-1</id>
                </hit>
            </content>
        </section>
    </section>
</page>