org.apache.jena.query.spatial.assembler.SpatialIndexSolrAssembler Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.query.spatial.assembler;
import static org.apache.jena.query.spatial.assembler.SpatialVocab.pDefinition ;
import static org.apache.jena.query.spatial.assembler.SpatialVocab.pServer ;
import org.apache.jena.assembler.Assembler ;
import org.apache.jena.assembler.Mode ;
import org.apache.jena.assembler.assemblers.AssemblerBase ;
import org.apache.jena.query.spatial.EntityDefinition ;
import org.apache.jena.query.spatial.SpatialDatasetFactory ;
import org.apache.jena.query.spatial.SpatialIndex ;
import org.apache.jena.query.spatial.SpatialIndexException ;
import org.apache.jena.rdf.model.Resource ;
import org.apache.jena.sparql.util.graph.GraphUtils ;
import org.apache.solr.client.solrj.SolrServer ;
import org.apache.solr.client.solrj.impl.HttpSolrServer ;
public class SpatialIndexSolrAssembler extends AssemblerBase {
/*
* <#index> a :TextIndexSolr ; text:server
* ; #text:server
* ; text:entityMap <#endMap> ; .
*/
@Override
public SpatialIndex open(Assembler a, Resource root, Mode mode) {
String uri = GraphUtils.getResourceValue(root, pServer).getURI();
SolrServer server;
if (uri.startsWith("embedded:")) {
throw new SpatialIndexException("Embedded Solr server not supported (change code and dependencies to enable)") ;
// try {
// if ( ! GraphUtils.exactlyOneProperty(root, pSolrHome) )
// throw new SpatialIndexException("No 'spatial:solrHome' property on EmbeddedSolrServer "+root) ;
//
// RDFNode n = root.getProperty(pSolrHome).getObject() ;
//
// if (n.isLiteral()){
// throw new SpatialIndexException ("No 'spatial:solrHome' property on EmbeddedSolrServer "+root+ " is a literal and not a Resource/URI");
// }
// Resource x = n.asResource() ;
// String path = IRILib.IRIToFilename(x.getURI()) ;
//
// System.setProperty("solr.solr.home", path);
// String coreName = uri.substring("embedded:".length());
// CoreContainer.Initializer initializer = new CoreContainer.Initializer();
// CoreContainer coreContainer = initializer.initialize();
// server = new EmbeddedSolrServer(coreContainer, coreName);
// } catch (FileNotFoundException e) {
// throw new SpatialIndexException(e);
// // throw new
// // SpatialIndexException("Embedded Solr server not supported (change code and dependencies to enable)")
// // ;
// }
} else if (uri.startsWith("http://")) {
server = new HttpSolrServer(uri);
} else
throw new SpatialIndexException(
"URI for the server must begin 'http://'");
Resource r = GraphUtils.getResourceValue(root, pDefinition);
EntityDefinition docDef = (EntityDefinition) a.open(r);
return SpatialDatasetFactory.createSolrIndex(server, docDef);
}
}