/*
* 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 arq.examples.update;
import org.apache.jena.riot.Lang ;
import org.apache.jena.riot.RDFDataMgr ;
import com.hp.hpl.jena.sparql.modify.request.Target ;
import com.hp.hpl.jena.sparql.modify.request.UpdateCreate ;
import com.hp.hpl.jena.sparql.modify.request.UpdateDrop ;
import com.hp.hpl.jena.sparql.modify.request.UpdateLoad ;
import com.hp.hpl.jena.sparql.sse.SSE ;
import com.hp.hpl.jena.update.* ;
/** Build an update request up out of indvidiual Update objects, not by parsing.
* This is quite low-level.
* See UpdateExecuteOperations for ways to build the request up from strings.
* These two approaches can be mixed.
*/
public class UpdateProgrammatic
{
public static void main(String []args)
{
GraphStore graphStore = GraphStoreFactory.create() ;
UpdateRequest request = UpdateFactory.create() ;
request.add(new UpdateDrop(Target.ALL)) ;
request.add(new UpdateCreate("http://example/g2")) ;
request.add(new UpdateLoad("file:etc/update-data.ttl", "http://example/g2")) ;
UpdateAction.execute(request, graphStore) ;
System.out.println("# Debug format");
SSE.write(graphStore) ;
System.out.println();
System.out.println("# N-Quads: S P O G") ;
RDFDataMgr.write(System.out, graphStore, Lang.NQUADS) ;
}
}