Use new paging property names.

This change breaks compatibility with existing clients.
It follows a breaking change in the Hydra Core Vocabulary
(HydraCG/Specifications@225aa51)
that renames the paging properties from hydra:nextPage to hydra:next.

Author: RubenVerborgh

lib/views/triplepatternfragments/TriplePatternFragmentsRdfView.js

@@ -65,11 +65,11 @@ TriplePatternFragmentsRdfView.prototype._generateRdf = function (settings, data,
 
     // Page metadata
     metadata(fragment.pageUrl, hydra + 'itemsPerPage', '"' + query.limit + '"^^' + xsd + 'integer');
-    metadata(fragment.pageUrl, hydra + 'firstPage',    fragment.firstPageUrl);
+    metadata(fragment.pageUrl, hydra + 'first', fragment.firstPageUrl);
     if (query.offset)
-      metadata(fragment.pageUrl, hydra + 'previousPage', fragment.previousPageUrl);
+      metadata(fragment.pageUrl, hydra + 'previous', fragment.previousPageUrl);
     if (totalCount >= query.limit + (query.offset || 0))
-      metadata(fragment.pageUrl, hydra + 'nextPage',     fragment.nextPageUrl);
+      metadata(fragment.pageUrl, hydra + 'next', fragment.nextPageUrl);
 
     // End if both the metadata and the data have been written
     metadataDone = true;

lib/views/triplepatternfragments/fragment.html

@@ -105,11 +105,11 @@ <h3>Matches in <%= datasource.title %> for <em class="pattern"><%= query.pattern
 -%>
   <ul class="links">
     <% if (hasPrev) { -%>
-    <li><a href="<%= fragment.firstPageUrl %>" rel="first" property="hydra:firstPage">first</a></li>
-    <li><a href="<%= fragment.previousPageUrl %>" rel="prev" property="hydra:previousPage">previous</a></li>
+    <li><a href="<%= fragment.firstPageUrl %>" rel="first" property="hydra:first">first</a></li>
+    <li><a href="<%= fragment.previousPageUrl %>" rel="prev" property="hydra:previous">previous</a></li>
     <% } -%>
     <% if (hasNext) { -%>
-    <li><a href="<%= fragment.nextPageUrl %>" rel="next" property="hydra:nextPage">next</a></li>
+    <li><a href="<%= fragment.nextPageUrl %>" rel="next" property="hydra:next">next</a></li>
     <% } -%>
   </ul>
 <%

test/assets/basic-fragment-metadata-last.jsonld

@@ -92,14 +92,14 @@
         "@value": "Linked Data Fragment of My data"
       },
       "void:triples": 1234,
-      "hydra:firstPage": {
+      "hydra:first": {
         "@id": "http://ex.org/data?fragment&page=1"
       },
       "hydra:itemsPerPage": 100,
-      "hydra:nextPage": {
+      "hydra:next": {
         "@id": "http://ex.org/data?fragment&page=4"
       },
-      "hydra:previousPage": {
+      "hydra:previous": {
         "@id": "http://ex.org/data?fragment&page=2"
       },
       "hydra:totalItems": 1234

test/assets/basic-fragment-metadata-last.nq

@@ -28,6 +28,6 @@ _:object <http://www.w3.org/ns/hydra/core#property> <http://www.w3.org/1999/02/2
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#totalItems> "1234"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
 <http://ex.org/data?fragment&page=3> <http://rdfs.org/ns/void#triples> "1234"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#itemsPerPage> "100"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#firstPage> <http://ex.org/data?fragment&page=1> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previousPage> <http://ex.org/data?fragment&page=2> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#nextPage> <http://ex.org/data?fragment&page=4> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#first> <http://ex.org/data?fragment&page=1> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previous> <http://ex.org/data?fragment&page=2> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#next> <http://ex.org/data?fragment&page=4> <http://ex.org/data?fragment#metadata>.

test/assets/basic-fragment-metadata-last.nt

@@ -27,6 +27,6 @@ _:object <http://www.w3.org/ns/hydra/core#property> <http://www.w3.org/1999/02/2
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#totalItems> "1234"^^<http://www.w3.org/2001/XMLSchema#integer>.
 <http://ex.org/data?fragment&page=3> <http://rdfs.org/ns/void#triples> "1234"^^<http://www.w3.org/2001/XMLSchema#integer>.
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#itemsPerPage> "100"^^<http://www.w3.org/2001/XMLSchema#integer>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#firstPage> <http://ex.org/data?fragment&page=1>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previousPage> <http://ex.org/data?fragment&page=2>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#nextPage> <http://ex.org/data?fragment&page=4>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#first> <http://ex.org/data?fragment&page=1>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previous> <http://ex.org/data?fragment&page=2>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#next> <http://ex.org/data?fragment&page=4>.

test/assets/basic-fragment-metadata-last.trig

@@ -32,7 +32,7 @@ _:object hydra:variable "object";
     hydra:totalItems "1234"^^xsd:integer;
     void:triples "1234"^^xsd:integer;
     hydra:itemsPerPage "100"^^xsd:integer;
-    hydra:firstPage <http://ex.org/data?fragment&page=1>;
-    hydra:previousPage <http://ex.org/data?fragment&page=2>;
-    hydra:nextPage <http://ex.org/data?fragment&page=4>
+    hydra:first <http://ex.org/data?fragment&page=1>;
+    hydra:previous <http://ex.org/data?fragment&page=2>;
+    hydra:next <http://ex.org/data?fragment&page=4>
 }

test/assets/basic-fragment-metadata-last.ttl

@@ -28,6 +28,6 @@ _:object hydra:variable "object";
     hydra:totalItems "1234"^^xsd:integer;
     void:triples "1234"^^xsd:integer;
     hydra:itemsPerPage "100"^^xsd:integer;
-    hydra:firstPage <http://ex.org/data?fragment&page=1>;
-    hydra:previousPage <http://ex.org/data?fragment&page=2>;
-    hydra:nextPage <http://ex.org/data?fragment&page=4>.
+    hydra:first <http://ex.org/data?fragment&page=1>;
+    hydra:previous <http://ex.org/data?fragment&page=2>;
+    hydra:next <http://ex.org/data?fragment&page=4>.

test/assets/basic-fragment.jsonld

@@ -92,14 +92,14 @@
         "@value": "Linked Data Fragment of My data"
       },
       "void:triples": 1234,
-      "hydra:firstPage": {
+      "hydra:first": {
         "@id": "http://ex.org/data?fragment&page=1"
       },
       "hydra:itemsPerPage": 100,
-      "hydra:nextPage": {
+      "hydra:next": {
         "@id": "http://ex.org/data?fragment&page=4"
       },
-      "hydra:previousPage": {
+      "hydra:previous": {
         "@id": "http://ex.org/data?fragment&page=2"
       },
       "hydra:totalItems": 1234

test/assets/basic-fragment.nq

@@ -25,9 +25,9 @@ _:object <http://www.w3.org/ns/hydra/core#property> <http://www.w3.org/1999/02/2
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#totalItems> "1234"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
 <http://ex.org/data?fragment&page=3> <http://rdfs.org/ns/void#triples> "1234"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#itemsPerPage> "100"^^<http://www.w3.org/2001/XMLSchema#integer> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#firstPage> <http://ex.org/data?fragment&page=1> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previousPage> <http://ex.org/data?fragment&page=2> <http://ex.org/data?fragment#metadata>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#nextPage> <http://ex.org/data?fragment&page=4> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#first> <http://ex.org/data?fragment&page=1> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previous> <http://ex.org/data?fragment&page=2> <http://ex.org/data?fragment#metadata>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#next> <http://ex.org/data?fragment&page=4> <http://ex.org/data?fragment#metadata>.
 <a> <b> <c>.
 <a> <d> <e>.
 <f> <g> <h>.

test/assets/basic-fragment.nt

@@ -24,9 +24,9 @@ _:object <http://www.w3.org/ns/hydra/core#property> <http://www.w3.org/1999/02/2
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#totalItems> "1234"^^<http://www.w3.org/2001/XMLSchema#integer>.
 <http://ex.org/data?fragment&page=3> <http://rdfs.org/ns/void#triples> "1234"^^<http://www.w3.org/2001/XMLSchema#integer>.
 <http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#itemsPerPage> "100"^^<http://www.w3.org/2001/XMLSchema#integer>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#firstPage> <http://ex.org/data?fragment&page=1>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previousPage> <http://ex.org/data?fragment&page=2>.
-<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#nextPage> <http://ex.org/data?fragment&page=4>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#first> <http://ex.org/data?fragment&page=1>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#previous> <http://ex.org/data?fragment&page=2>.
+<http://ex.org/data?fragment&page=3> <http://www.w3.org/ns/hydra/core#next> <http://ex.org/data?fragment&page=4>.
 <a> <b> <c>.
 <a> <d> <e>.
 <f> <g> <h>.