Comunica Hydra Controls RDF Metadata Extract Actor

An RDF Metadata Extract actor that extract controls and links in the Hydra Core vocabulary.

This module is part of the Comunica framework, and should only be used by developers that want to build their own query engine.

Click here if you just want to query with Comunica.

Install

$ yarn add @comunica/actor-rdf-metadata-extract-hydra-controls

Metadata entries

This actor adds the following entries to the metadata object.

• searchForms: All available Hydra search forms, using the ISearchForms interface.
• first: Value of http://www.w3.org/ns/hydra/core#first.
• next: Value of http://www.w3.org/ns/hydra/core#next.
• previous: Value of http://www.w3.org/ns/hydra/core#previous.
• last: Value of http://www.w3.org/ns/hydra/core#last.

Configure

After installing, this package can be added to your engine's configuration as follows:

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-rdf-metadata-extract-hydra-controls/^4.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:rdf-metadata-extract/actors#hydra-controls",
      "@type": "ActorRdfMetadataExtractHydraControls"
    }
  ]
}