checkListRootNodeExistsByIri.scala.txt

@*
 * Copyright © 2021 - 2024 Swiss National Data and Service Center for the Humanities and/or DaSCH Service Platform contributors.
 * SPDX-License-Identifier: Apache-2.0
 *@

@import org.knora.webapi.IRI

@**
 * Checks if a list node exists and is the root node.
 *
 * @param listNodeIri the IRI of the list node we want to check.
 *@
@(listNodeIri: IRI)

PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX knora-base: <http://www.knora.org/ontology/knora-base#>

ASK {
    BIND(IRI("@listNodeIri") AS ?node)

    ?node rdf:type knora-base:ListNode .
    ?node knora-base:isRootNode "true"^^xsd:boolean .
}