/**
* 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.text.assembler;
import static org.apache.jena.query.text.assembler.TextVocab.pEntityMap ;
import static org.apache.jena.query.text.assembler.TextVocab.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.text.EntityDefinition ;
import org.apache.jena.query.text.TextDatasetFactory ;
import org.apache.jena.query.text.TextIndex ;
import org.apache.jena.query.text.TextIndexException ;
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 TextIndexSolrAssembler extends AssemblerBase
{
/*
<#index> a :TextIndexSolr ;
text:server <http://localhost:8983/solr/COLLECTION> ;
#text:server <embedded:SolrARQ> ;
text:entityMap <#endMap> ;
.
*/
@Override
public TextIndex open(Assembler a, Resource root, Mode mode) {
String uri = GraphUtils.getResourceValue(root, pServer).getURI() ;
SolrServer server ;
if ( uri.startsWith("embedded:") ) {
throw new TextIndexException("Embedded Solr server not supported (change code and dependencies to enable)") ;
// String coreName = uri.substring("embedded:".length()) ;
// CoreContainer.Initializer initializer = new CoreContainer.Initializer();
// CoreContainer coreContainer ;
// try { coreContainer = initializer.initialize() ; }
// catch (Exception e) { throw new TextIndexException("Filed to initialize embedded solr", e) ; }
// server = new EmbeddedSolrServer(coreContainer, coreName);
}
else if ( uri.startsWith("http://") )
server = new HttpSolrServer( uri );
else
throw new TextIndexException("URI for the server must begin 'http://'") ;
Resource r = GraphUtils.getResourceValue(root, pEntityMap) ;
EntityDefinition docDef = (EntityDefinition)a.open(r) ;
return TextDatasetFactory.createSolrIndex(server, docDef) ;
}
}